• Space Calendar - February 21, 2017

    From baalke@1:2320/100 to sci.space.news on Tue Feb 21 03:28:58 2017
    From Newsgroup: sci.space.news

    Welcome to the Space Calendar!

    Created in 1994, this Space Calendar covers space-related activities
    and anniversaries for the upcoming year. It is also available on the
    web at:

    http://www.jpl.nasa.gov/calendar/

    The online version of the Space Calendar includes over 4,700 links to related home pages.

    This calendar is compiled and maintained by Ron Baalke. Please send any updates or corrections to ron@jpl.nasa.gov. Note that launch dates
    are subject to change at any time. Also, note that anniversary dates are listed in 5 year increments only.

    Follow me on Twitter: https://twitter.com/RonBaalke

    The following people have contributed to this month's calendar:

    o Rick Baldridge, Steve Durst, Petr Kubanek

    =========================
    SPACE CALENDAR
    February 21, 2017
    =========================

    * indicates changes from last month's calendar.

    February 2017
    Feb ?? - EDRS-C/HYLAS-3 Ariane 5 Launch
    * Feb ?? - Cosmos (GLONASS 756, Uragan-M N47) Soyuz-2.1b/Fregat-M Launch
    Feb 21 - Cassini, Distant Flyby of Pan, Prometheus, Pallene, Ephimetheus & Aegaeon
    Feb 21 - Comet C/2015 X7 (ATLAS) At Opposition (3.217 AU)
    Feb 21 - Comet C/2015 X4 (Elenin) At Opposition (4.241 AU)
    Feb 21 - Asteroid 9 Metis At Opposition (8.7 Magnitude)
    Feb 21 - Asteroid 14413 Geiger Closest Approach To Earth (1.401 AU)
    Feb 21 - Asteroid 8657 Cedrus Closest Approach To Earth (1.916 AU)
    Feb 21 - Asteroid 13688 Oklahoma Closest Approach To Earth (2.606 AU)
    Feb 21 - 10th Anniversary (2007) Mahadevpur Meteorite Fall (Hit House in India)
    * Feb 22 - Progress MS-5 Soyuz-U Launch (International Space Station 66P)
    Feb 22 - Comet 321P/SOHO At Opposition (2.887 AU)
    Feb 22 - Comet P/2014 W4 (PANSTARRS) At Opposition (3.763 AU)
    Feb 22 - Apollo Asteroid 2016 CO246 Near-Earth Flyby (0.039 AU)
    * Feb 22 - Apollo Asteroid 2017 DE Near-Earth Flyby (0.067 AU)
    Feb 22 - Asteroid 8734 Warner Closest Approach To Earth (1.965 AU)
    Feb 22 - Asteroid 16035 Sasandford Closest Approach To Earth (1.990 AU)
    Feb 22 - Asteroid 13677 Alvin Closest Approach To Earth 2.349 AU)
    Feb 22 - Asteroid 2476 Andersen Closest Approach To Earth (2.397 AU)
    Feb 22 - Asteroid 234750 Amymainzer Closest Approach To Earth (2.932 AU)
    Feb 22 - Heinrich Hertz's 160th Birthday (1857)
    Feb 23 - Comet 73P-AX/Schwassmann-Wachmann Perihelion (0.973 AU)
    Feb 23 - Comet P/2010 H2 (Vales) At Opposition (2.270 AU)
    Feb 23 - Comet 50P/Arend At Opposition (2.537 AU)
    * Feb 23 - Apollo Asteroid 2017 BY93 Near-Earth Flyby (0.006 AU)
    * Feb 23 - Apollo Asteroid 2017 DD Near-Earth Flyby (0.037 AU)
    Feb 23 - Asteroid 1718 Namibia Closest Approach To Earth (2.039 AU)
    Feb 23 - 30th Anniverary (1987), Supernova 1987A Explosion
    Feb 23 - 265th Anniversary (1752), Nicolas Louis de Lacaille's Discovery of M83 (Southern Pinwheel Galaxy)
    Feb 24 - Comet 73P-AV/Schwassmann-Wachmann Closest Approach To Earth (1.404 AU)
    Feb 24 - Comet C/2014 R3 (PANSTARRS) Closest Approach To Earth (6.829 AU)
    * Feb 24 - Apollo Asteroid 2017 CP1 Near-Earth Flyby (0.009 AU)
    Feb 24 - Aten Asteroid 5604 (1992 FE) Near-Earth Flyby (0.034 AU)
    * Feb 24 - Amor Asteroid 2017 BN3 Near-Earth Flyby (0.065 AU)
    Feb 24 - Asteroid 3808 Tempel Closest Approach To Earth (0.979 AU)
    Feb 24 - Asteroid 9941 Iguanodon Closest Approach To Earth (1.078 AU)
    Feb 24 - Asteroid 4134 Schutz Closest Approach To Earth (1.187 AU)
    Feb 24 - Asteroid 11365 NASA Closest Approach To Earth (1.260 AU)
    Feb 24 - Asteroid 6600 Qwerty Closest Approach To Earth (1.488 AU)
    Feb 24 - Asteroid 26733 Nanavistor Closest Approach To Earth (1.997 AU)
    Feb 24 - Asteroid 3623 Chaplin Closest Approach To Earth (2.095 AU)
    Feb 24 - Asteroid 17744 Jodiefoster Closest Approach To Earth (2.143 AU)
    Feb 24 - Asteroid 881 Athene Closest Approach To Earth (2.164 AU)
    Feb 24 - Asteroid 7749 Jackschmitt Closest Approach To Earth (2.750 AU)
    Feb 24 - Brian Schmidt's 50th Birthday (1967)
    Feb 25 - Comet 73P-AS/Schwassmann-Wachmann At Opposition (1.224 AU)
    Feb 25 - Comet 73P/Schwassmann-Wachmann Closest Approach To Earth (1.380 AU)
    Feb 25 - Comet 73P-C/Schwassmann-Wachmann Closest Approach To Earth (1.381 AU)
    Feb 25 - Comet 315P/LONEOS Closest Approach To Earth (1.597 AU)
    Feb 25 - Comet 234P/LINEAR At Opposition (1.905 AU)
    Feb 25 - Comet 202P/Scotti At Opposition (1.964 AU)
    Feb 25 - Comet 331P/Gibbs Closest Approach To Earth (2.089 AU)
    Feb 25 - Comet 37P/Forbes At Opposition (2.689 AU)
    * Feb 25 - Apollo Asteroid 2017 CQ32 Near-Earth Flyby (0.068 AU)
    * Feb 25 - Apollo Asteroid 2005 QB5 Near-Earth Flyby (0.093 AU)
    Feb 25 - Atira Asteroid 418265 (2008 EA32) Closest Approach To Earth (1.418 AU)
    Feb 25 - Asteroid 5860 Deankootz Closest Approach To Earth (1.594 AU)
    Feb 25 - Asteroid 3229 Solnhofen Closest Approach To Earth (1.677 AU)
    Feb 25 - Asteroid 24102 Jacquecassini Closest Approach To Earth (1.691 AU)
    Feb 25 - Asteroid 12760 Maxwell Closest Approach To Earth (2.363 AU)
    Feb 25 - Asteroid 21564 Widmanstatten Closest Approach To Earth (2.501 AU)
    Feb 25 - 10th Annivesary (2007), Rosetta, Mars Flyby
    Feb 26 - Annular Solar Eclipse (Visbile from Chile, Argentia, West Africa)
    Feb 26 - Comet 73P-N/Schwassmann-Wachmann Perihelion (0.974 AU)
    Feb 26 - Comet 73P-G/Schwassmann-Wachmann Closest Approach To Earth (1.373 AU)
    Feb 26 - Comet 18D/Perrine-Mrkos Perihelion (1.646 AU)
    Feb 26 - Comet 331P/Gibbs At Opposition (2.090 AU)
    Feb 26 - Apollo Asteroid 2016 FU12 Near-Earth Flyby (0.042 AU)
    Feb 26 - Apollo Asteroid 2014 HP4 Near-Earth Flyby (0.073 AU)
    Feb 26 - Asteroid 70715 Allancheuvront Closest Approach To Earth (1.317 AU)
    Feb 26 - Asteroid 6442 Salzburg Closest Approach To Earth (1.745 AU)
    Feb 26 - Asteroid 2097 Galle Closest Approach To Earth (2.928 AU)
    Feb 27 - Mars Passes 0.6 Degrees From Uranus
    Feb 27 - Comet 73P-B/Schwassmann-Wachmann Closest Approach To Earth (1.348 AU)
    Feb 27 - Comet 73P-K/Schwassmann-Wachmann Closest Approach To Earth (1.350 AU)
    Feb 27 - Comet P/2016 A2 (Christensen) At Opposition (3.482 AU)
    Feb 27 - Comet 17P/Holmes At Opposition (4.110 AU)
    * Feb 27 - Apollo Asteroid 2017 BM123 Near-Earth Flyby (0.032 AU)
    Feb 27 - Asteroid 79896 Billhaley Closest Approach To Earth (1.399 AU)
    Feb 27 - Asteroid 3780 Maury Closest Approach To Earth (2.057 AU)
    Feb 27 - Plutino 90482 Orcus At Opposition (47.127 AU)
    Feb 27 - 75th Anniversary (1942), James Hey's Discovery of Radio Emissions from the Sun
    Feb 27 - Bernard Lyot's 120th Birthday (1897)
    Feb 27 - Pyotr Nesterov's 130th Birthday (1887)
    * Feb 28 - Tiankong-1 Kaituozhe-2A Launch
    Feb 28 - Cassini, Distant Flyby of Janus & Pandora
    Feb 28 - Comet 73P-BQ/Schwassmann-Wachmann Perihelion (0.974 AU)
    Feb 28 - Comet 73P-H/Schwassmann-Wachmann Closest Approach To Earth (1.338 AU)
    Feb 28 - Comet P/2010 H2 (Vales) Closest Approach To Earth (2.267 AU)
    Feb 28 - Comet 147P/Kushida-Muramatsu At Opposition (2.330 AU)
    Feb 28 - Comet 306P/LINEAR At Opposition (3.969 AU)
    Feb 28 - Comet C/2014 R3 (PANSTARRS) At Opposition (6.831 AU)
    Feb 28 - Asteroid 7672 Hawking Closest Approach To Earth (1.314 AU)
    Feb 28 - Asteroid 17942 Whiterabbit Closest Approach To Earth (1.350 AU)
    Feb 28 - Asteroid 17656 Hayabusa Closest Approach To Earth (2.016 AU)
    Feb 28 - 10th Anniversary (2007), New Horizons, Jupiter Flyby
    Feb 28 - 160th Anniversary (1857), Parnallee Meteorite Fall in India
    Feb 28 - Jost Burgi's 465th Birthday (1552)

    March 2017
    Mar ?? - DSX/FORMOSAT 7A-7F/GPIM/OTB/FalconSat 6/NPSat 1/Oculus-ASR/Prox 1/LightSail-B/Nanosat 7/SET 1/SSTE/
    ARMADILLO/Falconsat 7 (Peregrine)/TBEx A & B/Prometheus 2-1 - 2-8/TEPCE 1 & 2/CP 9/StangSat Falcon Launch
    Mar ?? - NROL-76 Falcon 9 Launch
    * Mar ?? - SES-10 Falcon 9 Launch
    * Mar ?? - GSAT 9 GSLV Mk.2 Launch
    Mar ?? - 15th Anniversary (2002), Discovery of NWA 1195 Meteorite (Mars Meteorite)
    * Mar 01 - Echostar 23 Falcon 9 Launch
    * Mar 01 - NROL-79 Atlas 5 Launch
    Mar 01 - Comet 93P/Lovas Perihelion (1.700 AU)
    Mar 01 - Comet 234P/LINEAR Closest Approach To Earth (1.903 AU)
    Mar 01 - Comet C/2015 V4 (PANSTARRS) Closest Approach To Earth (4.743 AU)
    Mar 01 - Comet P/2010 TO20 (LINEAR-Grauer) At Opposition (5.091 AU)
    Mar 01 - Asteroid 10189 Normanrockwell Closest Approach To Earth (1.876 AU)
    Mar 01 - Metal Asteroid 16 Psyche Closest Approach To Earth (2.237 AU)
    Mar 01 - Asteroid 39415 Janeausten Closest Approach To Earth (3.385 AU)
    Mar 01 - 5th Anniversary (2012), Meteorite Fall in Oslo, Norway (Hit House)
    Mar 01 - 15th Anniversary (2002), STS-109 Launch (Space Shuttle Columbia, Hubble Space Telscope Servicing)
    Mar 01 - 35th Anniversary (1982), Venera 13, Venus Landing/Flyby (USSR)
    Mar 01 - George Abell's 90th birthday (1927)
    Mar 02 - Moon Occults Dwarf Planet Ceres
    Mar 02 - Comet P/2017 A2 (PANSTARRS) At Opposition (1.701 AU)
    Mar 02 - Comet 330P/Catalina At Opposition (2.283 AU)
    Mar 02 - Comet P/2010 TO20 (LINEAR-Grauer) Closest Approach To Earth (5.091 AU)
    Mar 02 - Aten Asteroid 2012 DR32 Near-Earth Flyby (0.007 AU)
    Mar 02 - Apollo Asteroid 2011 OJ45 Near-Earth Flyby (0.079 AU)
    * Mar 02 - Apollo Asteroid 2017 BU6 Near-Earth Flyby (0.087 AU)
    * Mar 02 - Apollo Asteroid 2017 CQ1 Near-Earth Flyby (0.093 AU)
    Mar 02 - Asteroid 243 Ida Closest Approach To Earth (1.859 AU)
    Mar 02 - Kuiper Belt Object 2013 FZ27 At Opposition (47.573 AU)
    Mar 02 - 45th Anniversary (1972), Pioneer 10 Launch (Jupiter Flyby Mission)
    Mar 03 - Comet 43P/Wolf-Harrington Closest Approach To Earth (1.540 AU)
    Mar 03 - Comet C/2016 A3 (PANSTARRS) At Opposition (3.804 AU)
    Mar 03 - Comet 312P/NEAT At Opposition (3.921 AU)
    Mar 03 - Asteroid 29 Amphitrite At Opposition (8.9 Magnitude)
    Mar 03 - Apollo Asteroid 2016 RZ17 Near-Earth Flyby (0.078 AU)
    Mar 03 - Asteroid 2362 Mark Twain Closest Approach To Earth (1.605 AU)
    Mar 03 - Asteroid 2197 Shanghai Closest Approach To Earth (1.831 AU)
    Mar 03 - Asteroid 18499 Showalter Closest Approach To Earth (2.202 AU)
    Mar 03 - Asteroid 30444 Shemp Closest Approach To Earth (2.257 AU1)
    Mar 03 - Asteroid 5281 Lindstrom Closest Approach To Earth (2.306 AU)
    Mar 04 - Mercury Passes 1.1 Degrees from Neptune
    Mar 04 - Comet 73P-AD/Schwassmann-Wachmann Closest Approach To Earth (1.269 AU)
    Mar 04 - Comet 73P-E/Schwassmann-Wachmann Closest Approach To Earth (1.275 AU)
    Mar 04 - Comet 334P/NEAT At Opposition (3.269 AU)
    Mar 04 - Comet C/2016 A3 (PANSTARRS) Closest Approach To Earth (3.805 AU)
    Mar 04 - Asteroid 8129 Michaelbusch Closest Approach To Earth (1.245 AU)
    Mar 04 - Asteroid 3498 Belton Closest Approach To Earth (1.434 AU)
    Mar 04 - Asteroid 580 Selene Closest Approach To Earth (2.226 AU)
    Mar 04 - Robert Emden's 155th Birthday (1862)
    Mar 05 - Moon Occults Aldebaran
    Mar 05 - Cassini, Distant Flyby of Titan
    Mar 05 - Comet 73P-AL/Schwassmann-Wachmann At Opposition (0.965 AU)
    Mar 05 - Comet 73P-M/Schwassmann-Wachmann Closest Approach To Earth (1.255 AU)
    Mar 05 - Comet C/2016 T2 (Matheny) Closest Approach To Earth (1.723 AU)
    Mar 05 - Comet 186P/Garradd At Opposition (3.884 AU)
    Mar 05 - Comet P/2014 U4 (PANSTARRS) At Opposition (3.979 AU)
    Mar 05 - Comet C/2015 V4 (PANSTARRS) At Opposition (4.745 AU)
    Mar 05 - Asteroid 125071 Lugosi Closest Approach To Earth (1.211 AU)
    Mar 05 - Asteroid 35137 Meudon Closest Approach To Earth (1.478 AU)
    Mar 05 - Asteroid 13743 Rivkin Closest Approach To Earth (1.537 AU)
    Mar 05 - Asteroid 100267 JAXA Closest Approach To Earth (1.538 AU)
    Mar 05 - Asteroid 11055 Honduras Closest Approach To Earth (1.645 AU)
    Mar 05 - Asteroid 10050 Rayman Closest Approach To Earth (1.978 AU)
    Mar 05 - Asteroid 78453 Bullock Closest Approach To Earth (2.572 AU)
    Mar 05 - 35th Anniversary (1982), Venera 14, Venus Landing/Flyby (USSR)
    Mar 05 - Gerard Mercator's 505th Birthday (1512)
    Mar 06 - Comet 45P/Honda-Mrkos-Pajdusakova At Opposition (0.321 AU)
    Mar 06 - Comet 334P/NEAT Closest Approach To Earth (3.268 AU)
    Mar 06 - Apollo Asteroid 5786 Talos Closest Approach To Earth (0.804 AU)
    Mar 06 - Asteroid 6827 Wombat Closest Approach To Earth (1.546 AU)
    Mar 06 - Asteroid 157064 Sedona Closest Approach To Earth (2.114 AU)
    Mar 06 - Asteroid 439 Ohio Closest Approach To Earth (2.127 AU)
    Mar 06 - Kuiper Belt Object 2013 FY27 At Opposition (79.044 AU)
    Mar 06 - Valentina Tereshkova's 80th Birthday (1937)
    Mar 06 - Gordon Cooper's 90th Birthday (1927)
    Mar 06 - Joseph Fraunhofer's 230th Birthday (1787)
    Mar 07 - Sentinel 2B Rokot-KM Launch
    Mar 07 - Cassini, Distant Flyby of Mimas & Pan
    * Mar 07 - Comet C/2016 VZ18 (PANSTARRS) Perihelion (0.910 AU)
    Mar 07 - Comet 73P-R/Schwassmann-Wachmann Closest Approach To Earth (1.217 AU)
    Mar 07 - Comet 315P/LONEOS At Opposition (1.608 AU)
    Mar 07 - Comet P/2010 J5 (McNaught) At Opposition (2.866 AU)
    Mar 07 - Asteroid 9957 Rafaellosanti Closest Approach To Earth (1.582 AU)
    Mar 07 - Henry Draper's 180th Birthday (1837)
    Mar 07 - John Herschel's 225th Birthday (1792)
    Mar 08 - Wideband Gapfiller Satellite 9 (WGS-9) Delta 4 Launch
    Mar 08 - Comet 73P-AK/Schwassmann-Wachmann Perihelion (0.972 AU)
    Mar 08 - Comet 73P-AU/Schwassmann-Wachmann Perihelion (0.973 AU)
    Mar 08 - Comet 313P/Gibbs Closest Approach To Earth (2.920 AU)
    Mar 08 - Comet 158P/Kowal-LINEAR Closest Approach To Earth (3.872 AU)
    Mar 08 - Comet 158P/Kowal-LINEAR At Opposition (3.872 AU)
    Mar 08 - Aten Asteroid 2014 HB124 Near-Earth Flyby (0.092 AU)
    Mar 08 - Arno Wachmann's 115th Birthday (1902)
    Mar 08 - 245th Anniversary (1772), Discovery of Biela's Comet by Jacques Leibax Montaigne & Charles Messier
    Mar 09 - Comet P/2015 X6 (PANSTARRS) Closest Approach To Earth (1.740 AU)
    Mar 09 - Comet 313P/Gibbs At Opposition (2.920 AU)
    Mar 09 - Comet 310P/Hill At Opposition (3.596 AU)
    Mar 09 - Comet 186P/Garradd Closest Approach To Earth (3.881 AU)
    Mar 09 - Asteroid 5959 Shaklan Occults HIP 85365 (4.5 Magnitude Star)
    * Mar 09 - Apollo Asteroid 2017 BL30 Near-Earth Flyby (0.063 AU)
    Mar 09 - Asteroid 2577 Litva (2 Moons) Closest Approach To Earth (0.775 AU)
    Mar 09 - Asteroid 3000 Leonardo Closest Approach To Earth (1.732 AU)
    Mar 09 - Asteroid 49272 Bryce Canyon Closest Approach To Earth (1.774 AU)
    Mar 09 - Asteroid 7220 Philnicholson Closest Approach To Earth (1.894 AU)
    * Mar 10 - Moon Occults Regulus
    Mar 10 - Comet 2P/Encke Perihelion (0.336 AU)
    Mar 10 - Comet 73P-Z/Schwassmann-Wachmann Closest Approach To Earth (1.166 AU)
    Mar 10 - Comet 73P-AO/Schwassmann-Wachmann Closest Approach To Earth (1.169 AU)
    Mar 10 - Comet 118P/Shoemaker-Levy Closest Approach To Earth (1.821 AU)
    Mar 10 - Comet P/2010 J5 (McNaught) Closest Approach To Earth (2.865 AU)
    Mar 10 - Centaur Object 10199 Chariklo Occults UCAC4-294-210076 (13.0 Magnitude Star)
    Mar 10 - Apollo Asteroid 2015 EF Near-Earth Flyby (0.048 AU)
    Mar 10 - Apollo Asteroid 138404 (2000 HA24) Near-Earth Flyby (0.067 AU)
    Mar 10 - Apollo Asteroid 2008 CA6 Near-Earth Flyby (0.084 AU)
    Mar 10 - Apollo Asteroid 428694 Saule Closest Approach To Earth (0.908 AU)
    Mar 10 - Asteroid 2000 Herschel Closest Approach To Earth (1.658 AU)
    Mar 10 - 40th Annversary (1977), Discovery of Uranus' Rings
    Mar 10 - George Lewis' 135th Birthday (1882)
    Mar 10 - Jean-Paul Fouchy's 310th Birthday (1707)
    * Mar 11 - Moon Occults Asteroid 16 Psyche
    Mar 11 - Comet 196P/Tichy At Opposition (3.338 AU)
    Mar 11 - Asteroid 1343 Nicole Occults HIP 46938 (6.3 Magnitude Star)
    Mar 11 - Apollo Asteroid 2012 EQ10 Near-Earth Flyby (0.045 AU)
    Mar 11 - Aten Asteroid 2016 EX202 Near-Earth Flyby (0.053 AU)
    Mar 11 - Asteroid 9674 Slovenija Closest Approach To Earth (1.248 AU)
    Mar 11 - Asteroid 6563 Steinheim Closest Approach To Earth (1.254 AU)
    Mar 11 - Asteroid 1991 Darwin Closest Approach To Earth (1.622 AU)
    Mar 11 - Asteroid 2829 Bobhope Closest Approach To Earth (2.467 AU)
    Mar 11 - Douglas Adams' 65th Birthday (1952)
    Mar 12 - Daylight Saving - Set Clock Ahead 1 Hour (United States)
    Mar 12 - Comet 2P/Encke Closest Approach To Earth (0.655 AU)
    Mar 12 - Comet 176P/LINEAR Perihelion (2.580 AU)
    Mar 12 - Asteroid 8672 Morse Closest Approach To Earth (1.591 AU)
    Mar 12 - Asteroid 4808 Ballaero Closest Approach To Earth (1.666 AU)
    Mar 12 - Asteroid 3267 Glo Closest Approach To Earth (1.696 AU)
    Mar 12 - Asteroid 18932 Robinhood Closest Approach To Earth (1.776 AU)
    Mar 12 - Asteroid 9533 Aleksejleono Closest Approach To Earth (1.843 AU)
    Mar 12 - Asteroid 13599 Lisbon Closest Approach To Earth (2.150 AU)
    Mar 12 - Asteroid 1241 Dysona Closest Approach To Earth (2.314 AU)
    Mar 12 - Asteroid 4255 Spacewatch Closest Approach To Earth (2.910 AU)
    Mar 12 - 15th Anniversary (2002), JPL's Automatic Asteroid Impact Montoring System (Sentry) Goes Live
    Mar 12 - Dorrit Hoffleit's 110th Birthday (1907)
    Mar 13 - Comet 37P/Forbes Closest Approach To Earth (2.651 AU)
    Mar 13 - Comet 172P/Yeung Perihelion (3.337 AU)
    Mar 13 - Comet C/2016 C1 (PANSTARRS) Closest Approach To Earth (7.787 AU)
    Mar 14 - Pi Day
    Mar 14 - Cassini, Distant Flyby of Epimetheus & Pandora
    * Mar 14 - Comet C/2017 C1 (NEOWISE) Closest Approach To Earth (0.983 AU)
    Mar 14 - Comet P/2015 X6 (PANSTARRS) At Opposition (1.744 AU)
    Mar 14 - Aten Asteroid 2005 ES70 Near-Earth Flyby (0.056 AU)
    Mar 14 - Atira Asteroid 2015 DR215 Closest Approach To Earth (0.529 AU)
    Mar 14 - Asteroid 2343 Siding Spring Closest Approach To Earth (1.891 AU)
    Mar 14 - Asteroid 83360 Catalina Closest Approach To Earth (2.235 AU)
    Mar 14 - Michael Fincke's 50th Birthday (1967)
    * Mar 15 - IGS Radar 5 H-2A Launch
    Mar 15 - Comet 73P-Q/Schwassmann-Wachmann At Opposition (0.712 AU)
    Mar 15 - Comet 73P-AV/Schwassmann-Wachmann Perihelion (0.972 AU)
    Mar 15 - Comet 73P-AH/Schwassmann-Wachmann Closest Approach To Earth (1.083 AU)
    Mar 15 - Apollo Asteroid 9162 Kwiila Closest Approach To Earth (0.533 AU)
    Mar 15 - Asteroid 5441 Andymurray Closest Approach To Earth (2.079 AU)
    Mar 15 - Phil Stooke's 65th Birthday (1952)
    Mar 15 - Alan Bean's 85th Birthday (1932)
    Mar 16 - Mercury Passes 9.5 Degrees from Venus
    Mar 16 - Comet 73P/Schwassmann-Wachmann Perihelion (0.972 AU)
    Mar 16 - Comet 73P-L/Schwassmann-Wachmann Closest Approach To Earth (1.048 AU)
    Mar 16 - Comet 73P-AN/Schwassmann-Wachmann Closest Approach To Earth (1.050 AU)
    Mar 16 - Comet C/2016 S1 (PANSTARRS) Perihelion (2.412 AU)
    Mar 16 - Comet P/2012 O1 (McNaught) At Opposition (3.953 AU)
    Mar 16 - Apollo Asteroid 1998 SL36 Near-Earth Flyby (0.021 AU)
    Mar 16 - Amor Asteroid 4055 Magellan Closest Approach To Earth (1.275 AU)
    Mar 16 - Asteroid 2191 Uppsala Closest Approach To Earth (2.109 AU)
    Mar 16 - Asteroid 13897 Vesuvius Closest Approach To Earth (3.403 AU)
    Mar 16 - 55th Anniversary (1962), 1st Titan 2 Rocket Launch
    Mar 16 - John Broughton's 65th Birthday (1952)
    Mar 16 - Walter Cunningham's 85th Birthday (1932)
    Mar 16 - Vladimir Komarov's 90th Birthday (1927)
    Mar 17 - Comet 73P-C/Schwassmann-Wachmann Perihelion (0.972 AU)
    Mar 17 - Comet 73P-G/Schwassmann-Wachmann Perihelion (0.972 AU)
    Mar 17 - Comet 73P-X/Schwassmann-Wachmann Closest Approach To Earth (1.042 AU)
    Mar 17 - Comet P/2000 R2 (LINEAR) At Opposition (3.957 AU)
    Mar 17 - Comet C/2016 C1 (PANSTARRS) At Opposition (7.789 AU)
    Mar 17 - Amor Asteroid 3199 Nefertiti Closest Approach To Earth (1.027 AU)
    Mar 17 - Asteroid 19578 Kirkdouglas Closest Approach To Earth (1.347 AU)
    Mar 17 - Asteroid 37530 Dancingangel Closest Approach To Earth (2.067 AU)
    Mar 17 - Asteroid 589 Croatia Closest Approach To Earth (2.226 AU)
    Mar 17 - 15th Anniversary (2002), GRACE Launch
    Mar 17 - Kalpana Chawla's 55th Birthday (1962)
    Mar 17 - 165th Anniversary (1852), Annibale de Gasparis' Discovery of Asteroid 16 Psyche
    Mar 17 - Horace Tuttle's 180th Birthday (1837)
    Mar 18 - Comet 73P-B/Schwassmann-Wachmann Perihelion (0.972 AU)
    Mar 18 - Comet 133P/Elst-Pizarro At Opposition (2.303 AU)
    Mar 18 - Comet 222P/LINEAR At Opposition (3.938 AU)
    Mar 18 - Asteroid 4116 Elachi Closest Approach To Earth (0.747 AU)
    Mar 18 - Asteroid 3526 Jeffbell Closest Approach To Earth (1.887 AU)
    Mar 18 - Asteroid 5231 Verne Closest Approach To Earth (1.893 AU)
    * Mar 19 - Cygnus CRS-7 (OA-7)/Violet/SUSat/UNSW-EC0/i-INSPIRE 2/ZA-AeroSat/nSIGHT 1/
    QARMAN/14-BISa/YUsend-QB50/Ex-Alta 1/BUSAT 1/LilacSat 1/NJUST 1/Aoxiang 1/
    SOMP 2/QBITO/Aalto 2/X-CubeSat/EntrySat/IP2SAT/SpaceCube/DUTHSat/UPSat/Hoopoe/
    ANUSAT 2/LINK/SNUSAT 1/SNUSAT 1b/GAMASAT 1/RoBiSAT 1/RoBiSAT 2/SamSat-QB50/
    qbee50-LTU-OC/BeEagleSat/HAVELSAT/Phoenix/PolyITAN-2-SAU/QBUS 1/QBUS
    2/QBUS 3/QBUS 4/
    IceCube (Earth 1)/HARP/CSUNSat 1/CXBN 2/OPEN Antares 230 Launch (International Space Station)
    Mar 19 - Comet 73P-K/Schwassmann-Wachmann Perihelion (0.972 AU)
    Mar 19 - Comet P/2013 T2 (Schwartz) At Opposition (4.132 AU)
    Mar 19 - Asteroid 2118 Flagstaff Closest Approach To Earth (1.649 AU)
    Mar 19 - Wilhelm von Biela's 235th Birthday (1782)
    Mar 20 - Vernal Equinox, 10:29 UT
    Mar 20 - Cassini, Distant Flyby of Titan, Janus & Pallene
    Mar 20 - Comet 73P-BS/Schwassmann-Wachmann At Opposition (0.605 AU)
    Mar 20 - Comet 73P-H/Schwassmann-Wachmann Perihelion (0.972 AU)
    Mar 20 - Comet 144P/Kushida Closest Approach To Earth (1.592 AU)
    Mar 20 - Comet 212P/NEAT Closest Approach To Earth (1.641 AU)
    Mar 20 - Comet 245P/WISE At Opposition (2.252 AU)
    Mar 20 - Asteroid 8275 Inca Closest Approach To Earth (0.956 AU)
    Mar 20 - Apollo Asteroid 65803 Didymos Closest Approach To Earth (1.144 AU)
    Mar 20 - Asteroid 5102 Benfranklin Closest Approach To Earth (2.349 AU)
    Mar 20 - Tim Puckett's 55th Birthday (1962)
    * Mar 21 - SGDC-1/Koreasat 7 Ariane 5 Launch
    Mar 21 - Asteroid 20403 Attenborough Closest Approach To Earth (2.120 AU)
    Mar 21 - Halton Arp's 90th Birthday (1927)
    Mar 21 - Maurice Farman's 140th Birthday (1877)
    Mar 21 - 315th Anniversary (1702) - Maria Margarethe Kirch Becomes 1st Woman to Discover a Comet (C/1702 H1)
    Mar 22 - Cassini, Distant Flyby of Pan
    Mar 22 - Comet P/2003 T12 (SOHO) Closest Approach To Earth (2.783 AU)
    * Mar 22 - Asteroid 175 Andromache Occults HIP 20533 (6.3 Magnitude Star)
    Mar 22 - Asteroid 10377 Kilimanjaro Closest Approach To Earth (2.738 AU)
    Mar 22 - Neptune Trojan 316179 (2010 EN65) At Opposition (25.253 AU)
    Mar 22 - 35th Anniversary (1982), STS-3 Launch (Space Shuttle Columbia)
    Mar 23 - Cassini, Distant Flyby of Titan
    Mar 23 - Comet 73P-AI/Schwassmann-Wachmann At Opposition (0.538 AU)
    Mar 23 - Comet P/2015 Q1 (Scotti) At Opposition (3.101 AU)
    * Mar 23 - Dwarf Planet Ceres Occults TYC 0647-00586-1 (9.6 Magnitude Star)
    * Mar 23 - Amor Asteroid 2017 CR32 Near-Earth Flyby (0.074 AU)
    Mar 23 - Asteroid 3831 Pettengill Closest Approach To Earth (1.344 AU)
    Mar 23 - Centaur Object 31824 Elatus At Opposition (15.242 AU)
    Mar 23 - Dwarf Planet 136472 Makemake At Opposition (51.605 AU)
    Mar 23 - Wernher von Braun's 105th Birthday (1912)
    Mar 23 - Emmy Noether's 135th Birthday (1882)
    Mar 23 - Richard Proctor's 180th Birthday (1837)
    Mar 24 - Comet 133P/Elst-Pizarro Closest Approach To Earth (2.297 AU)
    Mar 24 - Asteroid 17473 Freddiemercury Closest Approach To Earth (1.316 AU)
    Mar 24 - Asteroid 8250 Cornell Closest Approach To Earth (2.574 AU)
    Mar 24 - 25th Anniversary (1992), STS-45 Launch (Space Shuttle Atlantis, ATLAS-1)
    Mar 24 - Krafft Ehricke's 100th Birthday (1917)
    Mar 24 - Sidney Fox's 105th Birthday (1912)
    Mar 25 - Comet 73P-E/Schwassmann-Wachmann Perihelion (0.971 AU)
    Mar 25 - Comet 73P-AD/Schwassmann-Wachmann Perihelion (0.972 AU)
    Mar 25 - Comet 118P/Shoemaker-Levy At Opposition (1.850 AU)
    Mar 25 - Comet P/2008 QP20 (LINEAR-Hill) At Opposition (3.539 AU)
    Mar 25 - Apollo Asteroid 162173 Ryugu Closest Approach To Earth (0.651 AU) (Hayabusa 2 Target)
    Mar 25 - Asteroid 81203 Polynesia Closest Approach To Earth (1.167 AU)
    Mar 25 - Asteroid 42487 Angstrom Closest Approach To Earth (1.796 AU)
    Mar 25 - Asteroid 7818 Muirhead Closest Approach To Earth (1.842 AU)
    Mar 25 - Asteroid 1042 Amazone Closest Approach To Earth (2.582 AU)
    Mar 25 - 160th Anniversary (1857), Frederick Lagenheim Takes 1s Photo of a Solar Eclipse
    Mar 26 - European Summer Time - Set Clock Ahead 1 Hour (European Union)
    * Mar 26 - Moon Occults Neptune
    Mar 26 - Comet 73P-AC/Schwassmann-Wachmann Closest Approach To Earth (0.870 AU)
    Mar 26 - Comet 73P-M/Schwassmann-Wachmann Perihelion (0.971 AU)
    * Mar 26 - Comet P/2010 EY90 (Lemmon) At Opposition (1.661 AU)
    Mar 26 - Apollo Asteroid 2015 TC25 Near-Earth Flyby (0.020 AU)
    Mar 26 - Atira Asteroid 2013 JX28 Closest Approach To Earth (1.031 AU)
    Mar 26 - Asteroid 9500 Camelot Closest Approach To Earth (1.565 AU)
    Mar 26 - 20th Anniversary (1997), Heaven's Gate Mass Suicide
    Mar 26 - Yuri Gidzenko's 55th Birthday (1962)
    * Mar 27 - Juno, Jupiter Flyby
    Mar 27 - Mercury Passes 2.4 Degrees from Uranus
    Mar 27 - Comet 187P/LINEAR At Opposition (3.175 AU)
    Mar 27 - Aten Asteroid 2010 EG21 Near-Earth Flyby (0.074 AU)
    Mar 27 - Asteroid 2002 Euler Closest Approach To Earth (1.303 AU)
    Mar 27 - Aten Asteroid 367943 Duende Closest Approach To Earth (1.697 AU)
    Mar 27 - Asteroid 7816 Hanoi Closest Approach To Earth (1.900 AU)
    Mar 27 - Asteroid 2069 Hubble Closest Approach To Earth (1.909 AU)
    Mar 27 - Apollo Asteroid 719 Albert Closest Approach To Earth (2.829 AU)
    Mar 27 - 45th Anniversary (1972), Venera 8 Launch (USSR Venus Lander/Orbiter Mission)
    Mar 28 - Asteroid 216 Kleopatra (2 Moons) Occults TYC 5728-01527-1 (11.4 Magnitude Star)
    Mar 28 - Apollo Asteroid 215588 (2003 HF2) Near-Earth Flyby (0.043 AU)
    Mar 28 - Apollo Asteroid 2006 HW50 Near-Earth Flyby (0.064 AU)
    Mar 28 - Apollo Asteroid 2016 TB18 Near-Earth Flyby (0.099 AU)
    Mar 28 - 30th Anniversary (1987), National Space Society Established
    Mar 28 - 215th Anniversary (1802), Heinrich Olbers' Discovery of Asteroid 2 Pallas
    Mar 29 - Cassini, Distant Flyby of Enceladus & Mimas
    Mar 29 - Comet 73P-P/Schwassmann-Wachmann Closest Approach To Earth (0.799 AU)
    Mar 29 - Comet 73P-R/Schwassmann-Wachmann Perihelion (0.971 AU)
    Mar 29 - Asteroid 9305 Hazard Closest Approach To Earth (1.408 AU)
    Mar 29 - Asteroid 12002 Suess Closest Approach To Earth (2.216 AU)
    Mar 29 - Aleksandr Viktorenko's 70th Birthday (1947)
    Mar 29 - Ernst Klinkerfues' 190th Birthday (1827)
    Mar 29 - 210th Anniversary (1807), Heinrich Olbers' Discovery of Asteroid 4 Vesta
    Mar 30 - Comet 43P/Wolf-Harrington At Opposition (1.626 AU)
    Mar 30 - Comet 162P/Siding Spring At Opposition (3.444 AU)
    Mar 30 - Asteroid 6349 Acapulco Closest Approach To Earth (1.320 AU)
    Mar 30 - Asteroid 2157 Ashbrook Closest Approach To Earth (1.648 AU)
    Mar 30 - Asteroid 1896 Beer Closest Approach To Earth (1.891 AU)
    Mar 30 - Asteroid 253 Mathilde Closest Approach To Earth (2.215 AU)
    Mar 30 - Ian Shelton's 60th Birthday (1957)
    Mar 30 - Yelena Kondakova's 60th Birthday (1957)
    * Mar 31 - CAS-4A & 4B CZ-2D launch
    Mar 31 - Comet 187P/LINEAR Closest Approach To Earth (3.172 AU)
    Mar 31 - Comet 191P/McNaught At Opposition (4.002 AU)
    Mar 31 - Asteroid 9880 Stegosaurus Closest Approach To Earth (1.386 AU)
    Mar 31 - Asteroid 13926 Berners-Lee Closest Approach To Earth (2.320 AU)

    April 2017
    Apr ?? - Tianzhou 1 CZ-7 Launch
    Apr ?? - Iridium Next 11-20 Falcon 9 Launch
    * Apr ?? - GSAT-19E LVM3 Launch
    * Apr ?? - Echostar 21 Proton-M/Briz-M P4 Launch
    * Apr ?? - Blagovest 1 Proton-M Briz-M Launch
    * Apr ?? - Max Valier Sat/Venta 1/Blue Diamond/Green Diamond/Red Diamond/COMPASS 2/InflateSail/
    LituanicaSAT 2/URSA MAIOR/NUDTSat/Pegasus/UCLSat/VZLUsat 1 PSLV Launch
    Apr 01 - Mercury At Its Greatest Eastern Elongation (19 Degrees)
    Apr 01 - Moon Occults Aldebaran
    Apr 01 - Comet 73P-AO/Schwassmann-Wachmann Perihelion (0.972 AU)
    Apr 01 - Comet 41P/Tuttle-Giacobini-Kresak Closest Approach To Earth (0.142 AU)
    Apr 01 - Comet 157P/Tritton Closest Approach To Earth (2.127 AU)
    Apr 01 - 20th Anniversary (1997), Comet Hale-Bopp Perihelion (0.914 AU)
    * Apr 02 - Comet C/2016 VZ18 (PANSTARRS) Closest Approach To Earth (0.528 AU)
    Apr 02 - Comet 73P-AQ/Schwassmann-Wachmann Closest Approach To Earth (0.717 AU)
    Apr 02 - Comet 73P-AR/Schwassmann-Wachmann Closest Approach To Earth (0.734 AU)
    Apr 02 - Comet 73P-AG/Schwassmann-Wachmann Closest Approach To Earth (0.735 AU)
    Apr 02 - Comet 73P-Z/Schwassmann-Wachmann Perihelion (0.973 AU)
    Apr 02 - Comet P/2008 WZ96 (LINEAR) At Opposition (3.643 AU)
    Apr 02 - Asteroid 88292 Bora-Bora Closest Approach To Earth (1.588 AU)
    Apr 02 - Asteroid 274860 Emilylakdawalla Closest Approach To Earth (1.870 AU)
    Apr 02 - Amor Asteroid 3552 Don Quixote Closest Approach To Earth (3.085 AU)
    Apr 02 - Percy Molesworth's 150th Birthday (1867)
    * Apr 03 - Comet P/2010 EY90 (Lemmon) Closest Approach To Earth (1.651 AU)
    Apr 03 - Asteroid 3 Juno Occults UCAC4-405-101051 (12.4 Magnitude Star)
    Apr 03 - Apollo Asteroid 2015 BY310 Near-Earth Flyby (0.079 AU)
    Apr 03 - Asteroid 16809 Galapagos Closest Approach To Earth (1.564 AU)
    * Apr 03 - Asteroid 7784 Watterson Closest Approach To Earth (1.689 AU)
    Apr 03 - Asteroid 284891 Kona Closest Approach To Earth (2.252 AU)
    Apr 03 - Asteroid 4372 Quincy Closest Approach To Earth (2.275 AU)
    Apr 04 - SES-15 Soyuz-STB Fregat-MT Launch
    Apr 04 - Comet 103P/Hartley At Opposition (2.083 AU)
    Apr 04 - Comet P/2003 T12 (SOHO) At Opposition (2.809 AU)
    Apr 04 - Asteroid 13513 Manilla Closest Approach To Earth (1.025 AU)
    Apr 04 - Asteroid 130 Elektra (2 Moons) Closest Approach To Earth (2.841 AU)
    Apr 04 - 20th Anniversary (1997), STS-83 Launch (Space Shuttle Columbia)
    Apr 04 - Karl Reinmuth's 125th Birthday (1892)
    Apr 05 - Cassini, Distant Flyby of Atlas, Pandora & Epimetheus
    Apr 05 - Comet 73P-AP/Schwassmann-Wachmann Closest Approach To Earth (1.158 AU)
    * Apr 05 - Asteroid 249 Ilse Occults HIP 102485 (4.1 Magnitude Star)
    * Apr 05 - Asteroid 13010 Germantitov Closest Approach To Earth (2.252 AU)
    Apr 05 - 20th Anniversary (1997), Galileo, Ganymede 7 Flyby
    Apr 06 - Cassini, Distant Flyby of Titan
    Apr 06 - Aten Asteroid 2014 FN38 Near-Earth Flyby (0.064 AU)
    Apr 06 - Asteroid 21088 Chelyabinsk Closest Approach To Earth (1.270 AU)
    Apr 06 - Asteroid 1432 Ethiopia Closest Approach To Earth (1.823 AU)
    Apr 06 - Asteroid 85386 Payton Closest Approach To Earth (1.990 AU)
    Apr 06 - Asteroid 2421 Nininger Closest Approach To Earth (2.390 AU)
    Apr 06 - Kuiper Belt Object 2014 FT71 At Opposition (46.794 AU)
    Apr 06 - Donald Douglas' 125th Birthday (1892)
    Apr 06 - 2665th Anniversary (648 BC), Earliest Total Solar Eclipse Recorded by the Greeks
    * Apr 07 - Moon Occults Regulus
    * Apr 07 - Moon Occults Asteroid 16 Psyche
    Apr 07 - Jupiter at Opposition
    Apr 07 - Comet 73P-AH/Schwassmann-Wachmann Perihelion (0.973 AU)
    Apr 07 - Comet 245P/WISE Closest Approach To Earth (2.207 AU)
    Apr 07 - Comet 329P/LINEAR-Catalina At Opposition (3.594 AU)
    Apr 07 - Comet 215P/NEAT At Opposition (3.655 AU)
    Apr 07 - Asteroid 4464 Vulcano Closest Approach To Earth (1.034 AU)
    Apr 07 - Asteroid 27596 Maldives Closest Approach To Earth (2.048 AU)
    * Apr 07 - Asteroid 13586 Copenhagen Closest Approach To Earth (2.061 AU)
    Apr 08 - Comet 104P/Kowal Closest Approach To Earth (2.636 AU)
    Apr 08 - Comet C/2016 E1 (PANSTARRS) At Opposition (7.346 AU)
    Apr 08 - Aten Asteroid 2016 GH135 Near-Earth Flyby (0.088 AU)
    Apr 08 - Asteroid 3904 Honda Closest Approach To Earth (1.718 AU)
    Apr 08 - Kuiper Belt Object 2013 FS28 At Opposition (84.431 AU)
    Apr 08 - 15th Anniversary (2002), STS-110 Launch (Space Shuttle Atlantis, International Space Station)
    Apr 08 - David Rittenhouse's 285th Birthday (1732)
    * Apr 09 - CRS-11/NICER/CREAM Falcon 9 Launch (International Space Station)
    Apr 09 - Comet 73P-BL/Schwassmann-Wachmann Closest Approach To Earth (0.597 AU)
    Apr 09 - Comet 73P-AN/Schwassmann-Wachmann Perihelion (0.969 AU)
    * Apr 09 - Asteroid 7984 Marius Closest Approach To Earth (2.153 AU)
    Apr 09 - Comet 267P/LONEOS At Opposition (2.977 AU)
    Apr 09 - Centaur Object 10199 Chariklo Occults UCAC4-294-211208 (14.9 Magnitude Star)
    Apr 09 - Asteroid 1213 Algeria Closest Approach To Earth (2.572 AU)
    Apr 09 - Fabrizio Bernardi's 45th Birthday (1972)
    * Apr 10 - Soyuz MS-2 Return to Earth (International Space Station)
    Apr 10 - Comet 73P-L/Schwassmann-Wachmann Perihelion (0.969 AU)
    Apr 10 - Comet 73P-X/Schwassmann-Wachmann Perihelion (0.969 AU)
    Apr 10 - Comet 141P-D/Machholz At Opposition (3.732 AU)
    Apr 10 - Comet 141P/Machholz At Opposition (3.756 AU)
    Apr 10 - Comet 141P-A/Machholz At Opposition (3.756 AU)
    Apr 10 - Comet C/2016 E1 (PANSTARRS) Closest Approach To Earth (7.345 AU)
    Apr 10 - Asteroid 216 Kleopatra Occults TYC 5738-02638-1 (11.2 Magnitude Star)
    Apr 10 - Aten Asteroid 3554 Amun Closest Approach To Earth (0.936 AU)
    * Apr 10 - Asteroid 5405 Neverland Closest Approach To Earth (1.300 AU)
    * Apr 10 - Asteroid 96205 Ararat Closest Approach To Earth (1.864 AU)
    Apr 10 - Asteroid 5760 Mittlefehldt Closest Approach To Earth (2.069 AU)
    Apr 10 - Asteroid 1388 Aphrodite Closest Approach To Earth (2.124 AU)
    * Apr 10 - Asteroid 20469 Dudleymoore Closest Approach To Earth (2.192 AU)
    Apr 10 - Vincenzo Ferraro's 115th Birthday (1902)
    Apr 10 - 1180th Anniversary (837 AD), Comet Halley's Known Closest Approach to Earth (3 Million Miles)
    Apr 11 - Comet 230P/LINEAR At Opposition (3.110 AU)
    Apr 11 - Comet 206P/Barnard-Boattini At Opposition (4.299 AU)
    Apr 11 - Asteroid 17427 Poe Closest Approach To Earth (2.848 AU)
    Apr 11 - Wes Huntress' 75th Birthday (1942)
    Apr 11 - Anatoly Berezovoy's 75th Birthday (1942)
    Apr 11 - William Campbell's 155th Birthday (1862)
    Apr 12 - Yuri's Night: World Space Party
    Apr 12 - Cassini, Distant Flyby of Mimas, Aegaeon, Janus, Atlas & Prometheus
    Apr 12 - Comet 182P/LONEOS Perihelion (1.008 AU)
    Apr 12 - Comet 41P/Tuttle-Giacobini-Kresak Perihelion (1.045 AU)
    Apr 12 - Asteroid 2224 Tucson Closest Approach To Earth (1.886 AU)
    Apr 12 - Asteroid 498 Tokio Closest Approach To Earth (2.078 AU)
    Apr 12 - Asteroid 1815 Beethoven Closest Approach To Earth (2.119 AU)
    Apr 13 - Comet C/2016 A3 (PANSTARRS) Perihelion (4.789 AU)
    * Apr 13 - Asteroid 7010 Locke Closest Approach To Earth (1.594 AU)
    Apr 13 - Asteroid 10217 Richardcook Closest Approach To Earth (2.230 AU)
    Apr 13 - Asteroid 2315 Czechoslovakia Closest Approach To Earth (2.307 AU)
    Apr 13 - Asteroid 3866 Langley Closest Approach To Earth (2.617 AU)
    Apr 13 - Dwarf Planet 136108 Haumea At Opposition (49.693 AU)
    Apr 14 - Comet 144P/Kushida At Opposition (1.675 AU)
    * Apr 14 - Comet P/2007 T2 (Kowalski) At Opposition (3.369 AU)
    * Apr 14 - Comet 304P/Ory At Opposition (4.084 AU)
    Apr 14 - Atira Asteroid 2014 FO47 Closest Approach To Earth (1.418 AU)
    Apr 14 - Asteroid 327 Columbia Closest Approach To Earth (1.795 AU)
    Apr 14 - Asteroid 5682 Beresford Closest Approach To Earth (1.851 AU)
    Apr 14 - Asteroid 84882 Table Mountain Closest Approach To Earth (2.381 AU)
    Apr 14 - Valentin Lebedev's 75th Birthday (1942)
    Apr 15 - Comet 54P/de Vico-Swift-NEAT Perihelion (2.185 AU)
    Apr 15 - Comet 48P/Johnson At Opposition (2.714 AU)
    Apr 15 - Comet 113P/Spitaler At Opposition (3.505 AU)
    * Apr 15 - 3182 Shimanto Occults HIP 98633 (5.7 Magnitude Star)
    Apr 15 - Asteroid 3169 Ostro Closest Approach To Earth (1.016 AU)
    Apr 15 - Asteroid 2034 Bernoulli Closest Approach To Earth (1.433 AU)
    Apr 15 - Samuel Hoffman's 115th Birthday (1902)
    Apr 15 - Leonhard Euler's 310th Birthday (1707)
    Apr 15 - Leonardo DaVinci's 565th Birthday (1452)
    Apr 16 - Easter Sunday
    Apr 16 - Asteroid 1034 Mozartia Closest Approach To Earth (1.523 AU)
    Apr 16 - Asteroid 6433 Enya Closest Approach To Earth (1.882 AU)
    Apr 16 - Asteroid 3784 Chopin Closest Approach To Earth (2.060 AU)
    Apr 16 - 45th Anniversary (1972), Apollo 16 Launch (Manned Moon Landing)
    Apr 16 - Wilbur Wright's 150th Birthday (1867)
    Apr 16 - Robert Luther's 195th Birthday (1822)
    Apr 16 - John Hadley's 335th Birthday (1682)
    Apr 17 - 50th Anniversary (1967), Surveyor 3 Launch (Moon Lander)
    Apr 17 - Comet 73P-AE/Schwassmann-Wachmann Closest Approach To Earth (0.453 AU)
    Apr 17 - Comet 73P-AS/Schwassmann-Wachmann Closest Approach To Earth (1.040 AU)
    Apr 17 - Comet 261P/Larson At Opposition (3.570 AU)
    Apr 17 - Asteroid 9621 Michaelpalin Closest Approach To Earth (1.417 AU)
    Apr 17 - Asteroid 3115 Baily Closest Approach To Earth (1.838 AU)
    Apr 18 - Cassini, Orbital Trim Maneuver #469 (OTM-469)
    Apr 18 - Apollo Asteroid 143404 (2003 BD44) Near-Earth Flyby (0.056 AU)
    Apr 18 - Apollo Asteroid 2006 HE2 Near-Earth Flyby (0.063 AU)
    Apr 18 - Asteroid 1743 Schmidt Closest Approach To Earth (1.152 AU)
    Apr 18 - Asteroid 1193 Africa Closest Approach To Earth (1.360 AU)
    Apr 18 - Asteroid 416 Vaticana Closest Approach To Earth (1.389 AU)
    Apr 18 - Asteroid 7536 Fahrenheit Closest Approach To Earth (1.848 AU)
    Apr 18 - Charles Elachi's 70th Birthday (1947)
    Apr 18 - Brian Mason's 100th Birthday (1917)
    Apr 19 - Cassini, Distant Flyby of Methone, Aegaeon, Atlas, Pandora & Daphnis
    Apr 19 - Comet 251P/LINEAR At Opposition (0.916 AU)
    Apr 19 - Comet C/2015 ER61 (PANSTARRS) Closest Approach To Earth (1.178 AU)
    Apr 19 - Apollo Asteroid 2014 JO25 Near-Earth Flyby (0.012 AU)
    Apr 19 - Aten Asteroid 2014 UR Near-Earth Flyby (0.048 AU)
    Apr 19 - Amor Asteroid 2016 JF6 Near-Earth Flyby (0.079 AU)
    Apr 19 - Asteroid 11083 Caracas Closest Approach To Earth (1.556 AU)
    Apr 19 - 35th Anniversary (1982), Salyut 7 Space Station Launch
    Apr 19 - Glenn Seaborg's 105th Birthday (1912)
    Apr 19 - Grigory Shajn's 125th Birthday (1892)
    * Apr 20 - Soyuz MS-4 Soyuz-2.1.a Launch (International Space Station 50S)
    Apr 20 - Comet 103P/Hartley Perihelion (1.064 AU)
    Apr 20 - Comet 212P/NEAT At Opposition (1.740 AU)
    Apr 20 - Comet 103P/Hartley Closest Approach To Earth (2.062 AU)
    * Apr 20 - Amor Asteroid 4957 Brucemurray Closest Approach To Earth (1.141 AU)
    Apr 20 - Asteroid 11926 Orinoco Closest Approach To Earth (1.684 AU)
    Apr 20 - Asteroid 8722 Schirra Closest Approach To Earth (2.068 AU)
    Apr 20 - Asteroid 246913 Slocum Closest Approach To Earth (2.114 AU)
    Apr 21 - Comet 73P-AC/Schwassmann-Wachmann Perihelion (0.968 AU)
    Apr 21 - Comet C/2013 X1 (PANSTARRS) At Opposition (3.709 AU)
    Apr 21 - Apollo Asteroid 2016 UW80 Near-Earth Flyby (0.072 AU)
    Apr 21 - Asteroid 1704 Wachmann Closest Approach To Earth (1.049 AU)
    * Apr 21 - Asteroid 5799 Brewington Closest Approach To Earth (1.931 AU)
    Apr 21 - 20th Anniversary (1997), Cremated Remains of 24 People Launched into
    Space
    Apr 22 - Earth Day
    Apr 22 - Cassini, Titan Flyby
    Apr 22 - Lyrids Meteor Shower Peak
    * Apr 22 - Moon Occults Neptune
    Apr 22 - Comet 94P/Russell Closest Approach To Earth (1.540 AU)
    Apr 22 - Comet 157P/Tritton At Opposition (2.190 AU)
    Apr 22 - Comet 107P/Wilson-Harrington At Opposition (2.510 AU)
    Apr 22 - Comet P/2014 U2 (Kowalski) At Opposition (3.706 AU)
    Apr 22 - Aten Asteroid 2016 JP Near-Earth Flyby (0.065 AU)
    Apr 22 - Asteroid 10051 Albee Closest Approach To Earth (2.137 AU)
    Apr 22 - 5th Anniversary (2012), Sutter's Mill Meteorite Fall in California
    Apr 23 - 50th Anniversary (1967), Soyuz 1 Launch
    Apr 23 - 55th Anniversary (1962), Ranger 4 Launch (Moon Impact Mission)
    * Apr 24 - Moon Occults Asteroid 2 Pallas
    Apr 24 - Comet 267P/LONEOS Closest Approach To Earth (2.943 AU)
    Apr 24 - Asteroid 951 Gaspra Closest Approach To Earth (1.583 AU)
    * Apr 24 - Asteroid 4226 Damiaan Closest Approach To Earth (2.289 AU)
    Apr 24 - 50th Anniversary (1967), 1st Person To Die On A Space Mission - Vladimir Komarov
    Apr 24-30 - Astronomy Week
    Apr 25 - Comet C/2015 TQ209 (LINEAR) Closest Approach To Earth (2.581 AU)
    Apr 25 - Comet 104P/Kowal At Opposition (2.678 AU)
    * Apr 25 - Comet 21P/Giacobini-Zinner At Opposition (3.502 AU)
    Apr 25 - Comet 11P/Tempel-Swift-LINEAR At Opposition (4.183 AU)
    Apr 25 - Apollo Asteroid 11066 Sigurd Closest Approach To Earth (1.008 AU)
    * Apr 25 - Asteroid 15131 Alanalda Closest Approach To Earth (1.506 AU)
    * Apr 25 - Asteroid 7231 Porco Closest Approach To Earth (2.302 AU)
    Apr 25 - 40th Anniversary (1977), Inaugural Flight of Stratospheric Observatory for Infrared Astronomy (SOFIA)
    Apr 26 - Cassini, Distant Flyby of Janus, Atlas, Daphnis & Epimetheus
    Apr 26 - Comet 73P-P/Schwassmann-Wachmann Perihelion (0.968 AU)
    Apr 26 - Comet 67P/Churyumov-Gerasimenko At Opposition (3.738 AU)
    Apr 26 - Comet P/2012 SB6 (Lemmon) At Opposition (4.294 AU)
    Apr 26 - Comet P/2011 U2 (Bressi) At Opposition (4.626 AU)
    Apr 26 - Comet P/2011 U2 (Bressi) Closest Approach To Earth (4.626 AU)
    Apr 26 - Asteroid 1996 Adams Closest Approach To Earth (1.828 AU)
    * Apr 26 - Asteroid 3581 Alvarez Closest Approach To Earth (1.994 AU)
    Apr 26 - Asteroid 55 Pandora Closest Approach To Earth (2.125 AU)
    Apr 26 - Samantha Cristoforetti's 40th Birthday (1977)
    Apr 26 - 55th Anniversary (1962), Kiel Meteorite Fall (Hit House in Germany)
    Apr 26 - 55th Anniversary (1962), Ranger 4 Impacts Moon (1st US Spacecraft to
    Reach Surface of Celestrial Object)
    Apr 26 - 55th Anniversary (1962), Cosmos-4 Launch (1st USSR Weather Satellite)
    Apr 27 - Asteroid 11195 Woomera Closest Approach To Earth (1.266 AU)
    Apr 27 - Valeri Polyakov's 75th Birthday (1942)
    Apr 28 - Mercury Passes 0.15 Degrees From Uranus
    * Apr 28 - Moon Occults Aldebaran
    Apr 28 - Comet P/2013 R3 (Catalina-PANSTARRS) At Opposition (2.478 AU)
    Apr 28 - Aten Asteroid 2016 HF2 Near-Earth Flyby (0.090 AU)
    Apr 28 - Apollo Asteroid 469219 (2016 HO3) Closest Approach To Earth (0.139 AU)
    Apr 28 - Atira Asteroid 413563 (2005 TG45) Closest Approach To Earth (0.532 AU)
    Apr 28 - Asteroid 7367 Giotto Closest Approach To Earth (1.821 AU)
    * Apr 28 - Asteroid 3768 Monroe Closest Approach To Earth (2.700 AU)
    Apr 29 - Astronomy Day
    Apr 29 - Comet 73P-AG/Schwassmann-Wachmann Perihelion (0.967 AU)
    Apr 29 - Comet 48P/Johnson Closest Approach To Earth (2.686 AU)
    * Apr 29 - Comet 204P/LINEAR-NEAT Closest Approach To Earth (2.917 AU)
    Apr 29 - Comet C/2015 WZ (PANSTARRS) At Opposition (3.728 AU)
    Apr 29 - Asteroid 30785 Greeley Closest Approach To Earth (1.280 AU)
    * Apr 29 - Asteroid 30928 Jefferson Closest Approach To Earth (1.808 AU)
    Apr 29 - Asteroid 5249 Giza Closest Approach To Earth (1.792 AU)
    Apr 29 - Kuiper Belt Object 2014 FC69 At Opposition (83.543 AU)
    Apr 29 - Forest Moulton's 145th Birthday (1872)
    Apr 30 - Comet 73P-AR/Schwassmann-Wachmann Perihelion (0.968 AU)
    * Apr 30 - Comet C/2015 B1 (PANSTARRS) Closest Approach To Earth (5.503 AU)
    Apr 30 - Asteroid 4319 Jackierobinson Closest Approach To Earth (1.271 AU)
    Apr 30 - Asteroid 11277 Ballard Closest Approach To Earth (1.373 AU)
    Apr 30 - Asteroid 5062 Glennmiller Closest Approach To Earth (1.630 AU)
    Apr 30 - Asteroid 3665 Fitzgerald Closest Approach To Earth (1.678 AU)
    Apr 30 - Asteroid 5811 Keck Closest Approach To Earth (1.702 AU)
    Apr 30 - 50th Anniversary (1967), 1st Image of Earth Taken from Moon's Surface (Surveyor 3)
    Apr 30 - 120th Anniversary (1897), Joseph John Thomson's Discovery of the Electron
    Apr 30 - Carl Friedrich Gauss' 240th Birthday (1777)

    May 2017
    May ?? - SkySat 8-13/COPPER 2/CPOD A & B/MinXSS 2/RANGE A & B Minotaur-C-XL-3210 Launch
    May 01 - Comet 73P-AQ/Schwassmann-Wachmann Perihelion (0.967 AU)
    May 01 - Aten Asteroid 326290 Akhenaten Closest Approach To Earth (0.298 AU)
    May 01 - Asteroid 2404 Antarctica Closest Approach To Earth (1.778 AU)
    May 01 - Kuiper Belt Object 42355 Typhon At Opposition (20.077 AU)
    May 01 - 335th Anniversary (1682), Inauguration of the Paris Observatory
    May 01 - Johann Adam Schall von Bell's 425th Birthday (1592)
    May 02 - Cassini, Distant Flyby of Daphnis & Prometheus
    May 02 - Comet 255P/Levy Perihelion (1.008 AU)
    May 02 - Comet 211P/Hill Closest Approach To Earth (2.569 AU)
    May 02 - Comet C/2013 C2 (Tenagra) Closest Approach To Earth (8.414 AU)
    May 02 - Asteroid 10044 Squyres Closest Approach To Earth (2.072 AU)
    May 02 - Asteroid 5816 Potsdam Closest Approach To Earth (2.332 AU)
    May 03 - Comet 94P/Russell At Opposition (1.555 AU)
    May 03 - Comet 130P/McNaught-Hughes At Opposition (1.740 AU)
    May 03 - Atira Asteroid 164294 (2004 XZ130) Closest Approach To Earth (0.671 AU)
    May 03 - Asteroid 4370 Dickens Closest Approach To Earth (1.560 AU)
    May 03 - Don Yeomans' 75th Birthday (1942)
    May 04 - Moon Occults Regulus
    * May 04 - Moon Occults Asteroid 16 Psyche
    May 04 - Comet C/2013 C2 (Tenagra) At Opposition (8.414 AU)
    May 04 - Asteroid 407 Arachne Occults HIP 75272 (6.5 Magnitude Star)
    May 04 - Asteroid 9622 Terryjones Closest Approach To Earth (1.511 AU)
    May 04 - 15th Anniversary (2002), AQUA Launch
    May 04 - 50th Anniversary (1967), Lunar Orbiter 4 Launch
    May 05 - Space Day
    May 05 - Mars Spring Equinox
    May 05 - Eta Aquarids Meteor Shower Peak
    May 05 - Comet 73P-W/Schwassmann-Wachmann Closest Approach To Earth (0.181 AU)
    May 05 - Comet 189P/NEAT At Opposition (0.709 AU)
    May 05 - Comet 251P/LINEAR Closest Approach To Earth (0.883 AU)
    May 05 - Comet 334P/NEAT Perihelion (4.185 AU)
    May 05 - Comet 201P/LONEOS At Opposition (4.242 AU)
    * May 05 - Comet C/2015 B1 (PANSTARRS) At Opposition (5.506 AU)
    May 05 - Asteroid 3 Juno Occults 2UCAC 29533817 (12.3 Magnitude Star)
    May 05 - Amor Asteroid 2009 HG Near-Earth Flyby (0.066 AU)
    May 05 - Amor Asteroid 388838 (2008 EZ5) Near-Earth Flyby (0.082 AU)
    May 05 - Apollo Asteroid 11311 Peleus Closest Approach To Earth (2.054 AU)
    May 05 - Johann Benzenberg's 240th Birthday (1777)
    May 06 - Comet P/2013 R3 (Catalina-PANSTARRS) Closest Approach To Earth (2.470 AU)
    May 06 - Comet 107P/Wilson-Harrington Closest Approach To Earth (2.479 AU)
    May 06 - Comet 207P/NEAT Closest Approach To Earth (2.606 AU)
    May 06 - Asteroid 8000 Isaac Newton Closest Approach To Earth (2.036 AU)
    May 06 - Asteroid 2620 Santana Closest Approach To Earth (2.041 AU)
    May 06 - Centaur Object 144908 (2004 YH32) At Opposition (11.782 AU)
    May 06 - Kuiper Belt Object 2010 FX86 At Opposition (45.227 AU)
    May 06 - Willem de Sitter's 145th Birthday (1872)
    May 07 - Cassini, Distant Flyby of Titan
    May 07 - Mercury Passes 2.2 Degrees From Uranus
    May 07 - Comet 182P/LONEOS Closest Approach To Earth (1.195 AU)
    May 07 - Comet 322P/SOHO At Opposition (3.904 AU)
    May 07 - Comet P/2001 F1 (NEAT) Perihelion (4.187 AU)
    May 07 - Apollo Asteroid 2015 VD1 Near-Earth Flyby (0.046 AU)
    May 07 - Asteroid 12373 Lancearmstrong Closest Approach To Earth (1.242 AU)
    May 07 - Asteroid 17033 Rusty Closest Approach To Earth (1.265 AU)
    May 07 - 20th Anniversary (1997), Galileo, Ganymede 8 Flyby
    May 07 - 25th Anniversary (1992), STS-49 Launch (Space Shuttle Endeavour, Intelsat VI Repair)
    May 08 - Comet 73P-BL/Schwassmann-Wachmann Perihlion (0.967 AU)
    May 08 - Comet 19P/Borrelly At Opposition (4.082 AU)
    May 08 - Aten Asteroid 2016 CU246 Near-Earth Flyby (0.052 AU)
    May 08 - Asteroid 18132 Spector Closest Approach To Earth (0.885 AU)
    May 08 - Asteroid 9620 Ericidle Closest Approach To Earth (1.537 AU)
    May 08 - 55th Anniversary (1962), 1st Atlas Centaur Launch
    May 08 - 145th Anniversary (1872), Dyalpur Meteorite Fall in India
    May 09 - Cassini, Distant Flyby of Daphnis, Pan, Pandora & Titan
    May 09 - Comet C/2015 ER61 (PANSTARRS) Perihelion (1.046 AU)
    May 09 - Apollo Asteroid 1864 Daedalus Closest Approach To Earth (0.436 AU)
    May 09 - Atira Asteroid 434326 (2004 JG6) Closest Approach To Earth (0.882 AU)
    May 09 - Asteroid 2554 Skiff Closest Approach To Earth (1.013 AU)
    May 09 - Asteroid 1224 Fantasia Closest Approach To Earth (1.725 AU)
    May 09 - Kuiper Belt Object 90568 (2004 GV9) At Opposition (38.509 AU)
    May 10 - Apollo Asteroid 2329 Orthos Closest Approach To Earth (0.924 AU)
    May 10 - Apollo Asteroid 85585 Mjolnir Closest Approach To Earth (1.224 AU)
    May 11 - Comet 194P/LINEAR Closest Approach To Earth (2.912 AU)
    * May 11 - Comet 204P/LINEAR-NEAT At Opposition (2.939 AU)
    * May 11 - Comet P/2012 TK8 (Tenagra) At Opposition (4.263 AU)
    May 11 - Asteroid 117329 Spencer Closest Approach To Earth (1.240 AU)
    May 11 - Asteroid 3197 Weissman Closest Approach To Earth (2.156 AU)
    May 11 - Friedrich Schmiedl's 115th Birthday (1902)
    May 12 - Apollo Asteroid 2016 LJ49 Near-Earth Flyby (0.062 AU)
    May 12 - Atira Asteroid 2012 VE46 Closest Approach To Earth (0.537 AU)
    May 12 - Neptune Trojan 2010 TS191 At Opposition (29.692 AU)
    May 13 - Comet 211P/Hill At Opposition (2.586 AU)
    * May 13 - Comet 36P/Whipple At Opposition (3.989 AU)
    May 13 - Apollo Asteroid 4769 Castalia Closest Approach To Earth (0.751 AU)
    May 13 - Asteroid 10387 Bepicolombo Closest Approach To Earth (1.700 AU)
    May 13 - Asteroid 91007 Ianfleming Closest Approach To Earth (1.762 AU)
    May 13 - Asteroid 34901 Mauna Loa Closest Approach To Earth (2.794 AU)
    May 14 - Comet C/2016 T1 (Matheny) Closest Approach To Earth (1.561 AU)
    May 14 - Comet 255P/Levy Closest Approach To Earth (1.765 AU)
    May 14 - Asteroid 7958 Leakey Closest Approach To Earth (0.976 AU)
    May 14 - Asteroid 274020 Skywalker Closest Approach To Earth (2.082 AU)
    May 15 - Cassini, Distant Flyby of Ephimetheus, Pan, Aegaeon & Atlas
    * May 15 - Comet P/2015 D6 (Lemmon-PANSTARRS) Closest Approach To Earth (4.520 AU)
    May 15 - Asteroid 58221 Boston Closest Approach To Earth (1.929 AU)
    May 15 - Asteroid 3992 Wagner Closest Approach To Earth (2.017 AU)
    May 15 - Asteroid 100007 Peters Closest Approach To Earth (2.237 AU)
    May 15 - Asteroid 27500 Mandelbrot Closest Approach To Earth (2.619 AU)
    May 15 - 20th Anniversary (1997), STS-84 Launch (Space Shuttle Atlantis, Mir Space Station)
    May 15 - Williamina Fleming's 160th Birthday (1857)
    May 16 - Comet 73P-AE/Schwassmann-Wachmann Perihelion (0.966 AU)
    May 16 - Comet 216P/LINEAR Closest Approach To Earth (2.294 AU)
    May 16 - Apollo Asteroid 2012 EC Near-Earth Flyby (0.050 AU)
    May 16 - Asteroid 93 Minerva Closest Approach To Earth (1.464 AU)
    May 16 - Asteroid 188534 Mauna Kea Closest Approach To Earth (1.935 AU)
    May 16 - Asteroid 78756 Sloan Closest Approach To Earth (2.051 AU)
    May 16 - Forrest Petersen's 95th Birthday (1922)
    May 17 - Mercury At Its Greatest Western Elongation (26 Degrees)
    May 17 - Comet C/2017 A1 (PANSTARRS) Perihelion (2.290 AU)
    May 17 - Asteroid 3 Juno Occults TYC 5141-02016-1 (10.7 Magnitude Star)
    May 17 - Apollo Asteroid 4341 Poseidon Closest Approach To Earth (0.930 AU)
    May 17 - Asteroid 5430 Luu Closest Approach To Earth (1.004 AU)
    May 17 - Asteroid 144633 Georgecarroll Closest Approach To Earth (1.982 AU)
    May 17 - Asteroid 6143 Pythagoras Closest Approach To Earth (1.872 AU)
    May 17 - Kuiper Belt Object 65407 (2002 RP120) At Opposition (28.250 AU)
    May 17 - Kuiper Belt Object 2015 KH162 At Opposition (58.435 AU)
    May 18 - Comet 169P/NEAT At Opposition (2.600 AU)
    May 18 - Apollo Asteroid 4581 Asciepius Closest Approach To Earth (0.364 AU)
    May 18 - Asteroid 9969 Braille Closest Approach To Earth (0.821 AU)
    May 18 - Asteroid 1225 Ariane Closest Approach To Earth (1.311 AU)
    May 18 - Asteroid 2309 Mr. Spock Closest Approach To Earth (2.288 AU)
    May 18 - Asteroid 241418 Darmstadt Closest Approach To Earth (2.464 AU)
    May 18 - Jeana Yeager's 65th Birthday (1952)
    May 18 - Robert Verish's 70th Birthday (1947)
    May 19 - Comet C/2016 A8 (LINEAR) Closest Approach To Earth (2.639 AU)
    May 19 - Comet C/2014 OE4 (PANSTARRS) Closest Approach To Earth (6.247 AU)
    May 19 - Asteroid 15058 Billcooke Closest Approach To Earth (2.607 AU)
    * May 20 - Moon Occults Neptune
    May 20 - Comet C/2016 T1 (Matheny) At Opposition (1.578 AU)
    May 20 - Comet 229P/Gibbs Perihelion (2.452 AU)
    * May 20 - Comet C/2014 W5 (Lemmon-PANSTARRS) At Opposition (4.219 AU)
    May 20 - Comet C/2015 T2 (PANSTARRS) Perihelion (6.935 AU)
    May 20 - Asteroid 20103 de Vico Closest Approach To Earth (1.274 AU)
    May 20 - Asteroid 6542 Jacquescousteau Closest Approach To Earth (1.347 AU)
    May 20 - Asteroid 3153 Lincoln Closest Approach To Earth (1.676 AU)
    May 21 - Asteroid 3 Juno Occults TYC 5141-02154-1 (12.1 Magnitude Star)
    May 21 - Asteroid 6268 Versailles Closest Approach To Earth (1.713 AU)
    May 21 - 90th Anniversary (1927), Charles Linbergh Completes 1st Solo Non-Stop Transatlantic Flight
    May 21 - Ruth Bancroft Law's 130th Birthday (1887)
    May 21 - Gaspard-Gustave de Coriolis' 225th Birthday (1792)
    May 22 - Cassini, Distant Flyby of Atlas, Janus & Aegaeon
    May 22 - Comet 130P/McNaught-Hughes Closest Approach To Earth (1.691 AU)
    * May 22 - Comet P/2015 D6 (Lemmon-PANSTARRS) At Opposition (4.528 AU)
    May 22 - Asteroid 1069 Planckia Closest Approach To Earth (1.997 AU)
    May 22 - Asteroid 4115 Peternorton Closest Approach To Earth (2.013 AU)
    May 22 - 5th Anniversary (2012), Katol Meteorite Fall (Hit Houses in India)
    May 22 - 65th Anniversary (1952), Aerobee Launch (Monkeys Patricia & Mike)
    May 23 - Apollo Asteroid 2015 VX105 Near-Earth Flyby (0.069 AU)
    May 23 - Aten Asteroid 5381 Sekmet Closest Approach To Earth (0.802 AU)
    May 23 - Asteroid 2521 Heidi Closest Approach To Earth (1.694 AU)
    May 23 - Asteroid 4279 De Gasparis Closest Approach To Earth (1.840 AU)
    May 23 - Asteroid 9499 Excalibur Closest Approach To Earth (1.934 AU)
    May 23 - Lucy McFadden's 65th Birthday (1952)
    May 24 - Cassini, Distant Flyby of Titan
    May 24 - Plutino 38628 Huya At Opposition (27.595 AU)
    May 24 - Plutino 2006 HJ123 At Opposition (33.410 AU)
    May 24 - 55th Anniversary (1962), Aurora 7 Launch (Scott Carpenter)
    May 25 - Towel Day - Annual Tribute to Douglas Adams
    May 25 - Comet 65P/Gunn At Opposition (1.986 AU)
    May 25 - Comet C/2016 B1 (NEOWISE) Closest Approach To Earth (2.895 AU)
    May 25 - Asteroid 376 Geometria Closest Approach To Earth (0.901 AU)
    May 25 - Asteroid 2074 Shoemaker Closest Approach To Earth (1.054 AU)
    May 25 - Asteroid 15907 Robot Closest Approach To Earth (1.094 AU)
    May 25 - Asteroid 9007 James Bond Closest Approach To Earth (1.745 AU)
    May 26 - Comet 73P-AI/Schwassmann-Wachmann Near-Earth Flyby (0.023 AU)
    May 26 - Comet 148P/Anderson-LINEAR At Opposition (3.799 AU)
    May 26 - Asteroid 3017 Petrovic Occults HIP 68705 (6.3 Magnitude Star)
    May 26 - Asteroid 163693 Atira Closest Approach To Earth (0.356 AU)
    May 26 - Asteroid 2933 Amber Closest Approach To Earth (1.619 AU)
    May 26 - Asteroid 7032 Hitchcock Closest Approach To Earth (1.679 AU)
    May 26 - 85th Anniversary (1932), Kuznetzovo Meteorite Fall in Russia
    May 26 - Abraham de Moivre's 150th Birthday (1867)
    May 27 - Aten Asteroid 2016 GK135 Near-Earth Flyby (0.074 AU)
    May 27 - Apollo Asteroid 6063 Jason Near-Earth Flyby (0.099 AU)
    May 27 - Asteroid 38237 Roche Closest Approach To Earth (0.995 AU)
    May 28 - Cassini, Distant Flyby of Pandora, Mimas, Aegaeon & Prometheus
    * May 28 - Moon Occults Asteroid 433 Eros
    May 28 - Comet 150P/LONEOS Closest Approach To Earth (2.156 AU)
    May 28 - Comet 194P/LINEAR At Opposition (2.954 AU)
    May 28 - Asteroid 12413 Johnnyweir Closest Approach To Earth (1.352 AU)
    May 28 - Asteroid 11548 Jerrylewis Closest Approach To Earth (1.652 AU)
    May 28 - Ruby Payne-Scott's 105th Birthday (1912)
    May 29 - Comet C/2015 V2 (Johnson) At Opposition (0.821 AU)
    * May 29 - Apollo Asteroid 2017 CS Near-Earth Flyby (0.020 AU)
    * May 29 - Apollo Asteroid 481532 (2007 LE) Near-Earth Flyby (0.082 AU)
    May 29 - Kuiper Belt Object 2007 JH43 At Opposition (39.549 AU)
    May 29 - John F. Kennedy's 100th Birthday (1917)
    May 29 - Johannes Winkler's 120th Birthday (1897)
    May 30 - Comet 65P/Gunn Closest Approach To Earth (1.982 AU)
    May 30 - Comet 207P/NEAT At Opposition (2.686 AU)
    * May 30 - Comet 137P/Shoemaker-Levy At Opposition (3.529 AU)
    May 30 - Comet C/2016 E1 (PANSTARRS) Perihelion (8.179 AU)
    May 30 - Asteroid 8249 Gershwin Closest Approach To Earth (1.131 AU)
    May 30 - Asteroid 2004 Lexell Closest Approach To Earth (1.330 AU)
    May 30 - Asteroid 3066 McFadden Closest Approach To Earth (1.685 AU)
    May 30 - Asteroid 4513 Louvre Closest Approach To Earth (2.251 AU)
    May 30 - Asteroid 886 Washingtonia Closest Approach To Earth (2.386 AU)
    * May 31 - Moon Occults Regulus
    May 31 - Comet 216P/LINEAR At Opposition (2.325 AU)
    May 31 - Comet C/2015 TQ209 (LINEAR) At Opposition (2.749 AU)
    May 31 - Atira Asteroid 2013 JX28 Closest Approach To Earth (1.145 AU)
    May 31 - Asteroid 4758 Hermitage Closest Approach To Earth (2.245 AU)
    May 31 - Martin Schwarzschild's 105th Birthday (1912)
    May 31 - Charles Abbot's 145th Birthday (1872)

    June 2017
    Jun ?? - Sentinel 5P Rokot/Briz-KM Launch
    Jun ?? - Shijian 18 (SJ-18) CZ-5 Launch
    Jun 01 - Moon Occults Asteroid 16 Psyche
    Jun 01 - Comet 71P/Clark At Opposition (0.598 AU)
    Jun 01 - Apollo Asteroid 418094 (2007 WV4) Near-Earth Flyby (0.020 AU)
    Jun 01 - Asteroid 8088 Australia Closest Approach To Earth (1.480 AU)
    Jun 01 - Apollo Asteroid 2101 Adonis Closest Approach To Earth (1.664 AU)
    Jun 01 - Asteroid 4487 Pocahontas Closest Approach To Earth (2.098 AU)
    Jun 01 - 15th Anniversary (2002), 1st National Light Pollution Law (Czech Republic)
    Jun 01 - Frank Whittle's 110th Birthday (1907)
    Jun 02 - Comet 73P-W/Schwassmann-Wachmann Perihelion (0.965 AU)
    Jun 02 - Comet C/2016 S1 (PANSTARRS) Closest Approach To Earth (2.218 AU)
    Jun 02 - Asteroid 13188 Okinawa Closest Approach To Earth (1.060 AU)
    Jun 02 - Asteroid 3709 Polypoites Closest Approach To Earth (4.603 AU)
    Jun 02 - Kuiper Belt Object 278361 (2007 JJ43) At Opposition (40.059 AU)
    Jun 02 - Clair Patterson's 95th Birthday (1922)
    Jun 03 - Venus At Its Greatest Western Elongation (46 Degrees)
    Jun 03 - Comet 234P/LINEAR At Opposition (2.362 AU)
    Jun 03 - Comet C/2015 T4 (PANSTARRS) At Opposition (3.277 AU)
    Jun 03 - Asteroid 8844 (1990 QR2) Occults HIP 95408 (6.0 Magnitude Star)
    Jun 03 - Apollo Asteroid 1685 Toro Closest Approach To Earth (1.358 AU)
    Jun 03 - Asteroid 293934 MPIA Closest Approach To Earth (1.758 AU)
    Jun 04 - Cassini, Distant Flyby of Pan & Epimetheus
    Jun 04 - Comet 172P/Yeung Closest Approach To Earth (2.355 AU)
    Jun 04 - Asteroid 4559 Strauss Closest Approach To Earth (2.127 AU)
    Jun 04 - 15th Anniversary (2002), Mike Brown, Chad Trujillo's Discovery of 50000 Quaoar
    Jun 05 - Comet C/2015 V2 (Johnson) Closest Approach To Earth (0.811 AU)
    Jun 05 - Comet 172P/Yeung At Opposition (2.355 AU)
    Jun 05 - Comet 169P/NEAT Closest Approach To Earth (2.552 AU)
    Jun 05 - Asteroid 4150 Starr Closest Approach To Earth (1.053 AU)
    Jun 05 - Asteroid 231307 Peterfalk Closest Approach To Earth (1.980 AU)
    Jun 05 - Asteroid 1941 Wild Closest Approach To Earth (3.137 AU)
    Jun 05 - Jupiter Trojan Asteroid 5254 Ulysses Closest Approach To Earth (4.830 AU)
    Jun 05 - 10th Anniversary (2007), MESSENGER, 2nd Venus Flyby
    Jun 05 - 15th Anniversary (2002), STS-111 Launch (Space Shuttle Endeavour, International Space Station)
    Jun 05 - John Bolton's 95th Birthday (1922)
    Jun 06 - Comet C/2016 A8 (LINEAR) At Opposition (2.718 AU)
    Jun 06 - Apollo Asteroid 2012 HN13 Near-Earth Flyby (0.073 AU)
    Jun 06 - Asteroid 1886 Lowell Closest Approach To Earth (1.310 AU)
    Jun 06 - Asteroid 1756 Giacobini Closest Approach To Earth (1.938 AU)
    Jun 06 - Asteroid 2046 Leningrad Closest Approach To Earth (2.219 AU)
    Jun 06 - David Scott's 85th Birthday (1932)
    Jun 06 - Ralph Baldwin's 105th Birthday (1912)
    Jun 07 - Asteroid 13070 Seanconnery Closest Approach To Earth (1.249 AU)
    Jun 07 - Apollo Asteroid 2063 Bacchus Closest Approach To Earth (1.418 AU)
    Jun 07 - Asteroid 7032 Hitchcock Closest Approach To Earth (1.474 AU)
    Jun 07 - Asteroid 7291 Hyakutake Closest Approach To Earth (2,533 AU)
    Jun 07 - Kuiper Belt Object 2010 KZ39 At Opposition (45.079 AU)
    Jun 07 - George de Bothezat's 135th Birthday (1882)
    Jun 07 - Charles Barkla's 140th Birthday (1877)
    Jun 08 - World Oceans Day
    Jun 08 - Comet 73P-BS/Schwassmann-Wachmann Near-Earth Flyby (0.056 AU)
    Jun 08 - Apollo Asteroid 2011 PU1 Near-Earth Flyby (0.061 AU)
    Jun 08 - Asteroid 82332 Las Vegas Closest Approach To Earth (1.734 AU)
    Jun 08 - Asteroid 9012 Benner Closest Approach To Earth (2.207 AU)
    Jun 08 - 10th Anniversary (2007), STS-117 Launch (Space Shuttle Atlantis, International Space Station)
    Jun 08 - Bruce McCandless' 80th Birthday (1937)
    Jun 08 - Alfred Rordame's 155th Birthday (1862)
    Jun 09 - Comet 138P/Shoemaker-Levy At Opposition (3.698 AU)
    Jun 09 - Asteroid 5203 Pavarotti Closest Approach To Earth (0.931 AU)
    Jun 09 - Asteroid 7462 Grenoble Closest Approach To Earth (1.499 AU)
    Jun 09 - Asteroid 4766 Malin Closest Approach To Earth (1.914 AU)
    Jun 09 - Neptune Trojan 2013 KY18 At Opposition (29.186 AU)
    Jun 09 - 65th Anniversary (1952), Abee Meteorite Fall in Canada
    Jun 09 - Johann Gottfied Galle's 205th Birthday (1812)
    Jun 10 - Cassini, Distant Flyby of Pan & Janus
    Jun 10 - Comet P/2011 A2 (Scotti) Closest Approach To Earth (2.229 AU)
    Jun 10 - Comet 47P/Ashbrook-Jackson Perihelion (2.817 AU)
    * Jun 10 - Comet 268P/Bernardi At Opposition (4.110 AU)
    Jun 10 - Asteroid 2830 Greenwich Closest Approach To Earth (1.295 AU)
    Jun 10 - Asteroid 5790 Nagasaki Closest Approach To Earth (1.527 AU)
    Jun 10 - Asteroid 6373 Stern Closest Approach To Earth (1.635 AU)
    Jun 10 - Asteroid 44016 Jimmypage Closest Approach To Earth (2.048 AU)
    Jun 10 - Asteroid 115561 Frankherbert Closest Approach To Earth (2.103 AU)
    Jun 10 - Asteroid 1578 Kirkwood Closest Approach To Earth (3.846 AU)
    Jun 10 - Kuiper Belt Object 174567 Varda At Opposition (45.891 AU)
    Jun 10 - Eugene Parker's 90th Birthday (1927)
    Jun 11 - Comet 71P/Clark Closest Approach To Earth (0.590 AU)
    Jun 11 - Comet 233P/La Sagra At Opposition (3.058 AU)
    * Jun 11 - Comet 200P/Larsen At Opposition (3.891 AU)
    Jun 11 - Asteroid 1772 Gagarin Closest Approach To Earth (1.444 AU)
    Jun 11 - Asteroid 4305 Clapton Closest Approach To Earth (1.970 AU)
    Jun 11 - Asteroid 2127 Tanya Closest Approach To Earth (2.117 AU)
    Jun 11 - Charles Fabry's 150th Birthday (1867)
    Jun 12 - 50th Anniversary (1967), Venera 4 Launch (Soviet Venus Lander)
    Jun 12 - Comet C/2015 V2 (Johnson) Perihelion (1.637 AU)
    Jun 12 - Comet 289P/Blanpain At Opposition (4.106 AU)
    Jun 12 - Asteroid 1674 Groeneveld Occults HIP 42516 (6.4 Magnitude Star)
    Jun 12 - Asteroid 1006 Lagrangea Closest Approach To Earth (2.556 AU)
    Jun 12 - Jupiter Trojan Asteroid 1143 Odysseus Closest Approach To Earth (4.681 AU)
    Jun 12 - Paul Guldin's 440th Birthday (1577)
    Jun 13 - NROL-42 Atlas 5 Launch
    Jun 13 - Comet 73P-AI/Schwassmann-Wachmann Perihelion (0.964 AU)
    Jun 13 - Comet P/1999 XN120 (Catalina) Perihelion (3.297 AU)
    * Jun 13 - Comet C/2015 O1 (PANSTARRS) At Opposition (3.552 AU)
    Jun 13 - Asteroid 3355 Onizuka Closest Approach To Earth (1.318 AU)
    Jun 13 - Asteroid 397 Vienna Closest Approach To Earth (1.739 AU)
    Jun 13 - Asteroid 51823 Rickhusband Closest Approach To Earth (2.647 AU)
    Jun 14 - 50th Anniversary (1967), Mariner 5 Launch (Venus Flyby Mission)
    * Jun 14 - Progress MS-6 Soyuz-2.1a Launch (International Space Station 67P)
    Jun 14 - Asteroid 5066 Garradd Closest Approach To Earth (0.622 AU)
    Jun 14 - Atira Asteroid 2007 EB26 Closest Approach To Earth (0.882 AU)
    Jun 14 - Asteroid 3834 Zappafrank Closest Approach To Earth (1.155 AU)
    Jun 14 - Asteroid 11334 Rio de Janeiro Closest Approach To Earth (1.357 AU)
    Jun 14 - Asteroid 6546 Kaye Closest Approach To Earth (2.105 AU)
    Jun 14 - Asteroid 1691 Oort Closest Approach To Earth (2.576 AU)
    Jun 14 - Asteroid 1268 Libya Closest Approach To Earth (3.315 AU)
    Jun 15 - ICON Pegasus XL Launch
    Jun 15 - Saturn At Opposition
    Jun 15 - Asteroid 22903 Georgeclooney Closest Approach To Earth (1.346 AU)
    Jun 15 - Asteroid 2952 Lilliputia Closest Approach To Earth (1.578 AU)
    Jun 15 - 265th Anniversary (1752), Ben Franklin's Kite-Flying Lightning Experiment
    * Jun 16 - Moon Occults Neptune
    Jun 16 - Comet 150P/LONEOS At Opposition (2.204 AU)
    Jun 16 - Comet P/2016 J3 At Opposition (3.464 AU)
    Jun 16 - Apollo Asteroid 2010 VB1 Near-Earth Flyby (0.026 AU)
    Jun 16 - Asteroid 1322 Coppernicus Closest Approach To Earth (0.860 AU)
    Jun 16 - Asteroid 3949 Mach Closest Approach To Earth (1.167 AU)
    Jun 16 - Amor Asteroid 9950 ESA Closest Approach To Earth (1.412 AU)
    Jun 16 - Asteroid 16761 Hertz Closest Approach To Earth (1.735 AU)
    Jun 16 - Plutino 28978 Ixion At Opposition (38.699 AU)
    Jun 17 - Cassini, Distant Flyby of Prometheus, Atlas & Daphnis
    Jun 17 - Asteroid 3651 Friedman Closest Approach To Earth (1.217 AU)
    Jun 17 - Asteroid 14967 Madrid Closest Approach To Earth (1.587 AU)
    Jun 17 - Asteroid 2925 Beatty Closest Approach To Earth (1.644 AU)
    Jun 17 - Asteroid 10867 Lima Closest Approach To Earth (1.702 AU)
    Jun 17 - Asteroid 12757 Yangtze Closest Approach To Earth (1.807 AU)
    Jun 17 - Hermann Goldschmidt's 215th Birthday (1802)
    Jun 18 - Comet 73P-BS/Schwassmann-Wachmann Perihelion (0.963 AU)
    Jun 18 - Apollo Asteroid 471984 (2013 UE3) Near-Earth Flyby (0.049 AU)
    Jun 18 - Asteroid 8564 Anomalocaris Closest Approach To Earth (2.154 AU)
    Jun 19 - Comet 185P/Petriew At Opposition (1.725 AU)
    Jun 19 - Comet 90P/Gehrels Perihelion (2.975 AU)
    Jun 19 - Asteroid 8084 Dallas Closest Approach To Earth (2.286 AU)
    Jun 19 - Centaur Object 5145 Pholus At Opposition (26.390 AU)
    * Jun 20 - Comet 223P/Skiff At Opposition (3.337 AU)
    * Jun 20 - Comet P/2009 SK280 (Spacewatch-Hill) At Opposition (3.773 AU)
    * Jun 20 - Comet P/2010 U2 (Hill) At Opposition (3.968 AU)
    Jun 20 - Apollo Asteroid 2015 YC1 Near-Earth Flyby (0.084 AU)
    Jun 20 - Asteroid 477 Italia Closest Approach To Earth (1.184 AU)
    Jun 20 - Aten Asteroid 2013 ND15 (Venus Trojan) Closest Approach To Earth (1.199 AU)
    Jun 20 - Bill Bradfield's 90th Birthday (1927)
    Jun 21 - Summer Solstice, 04:24 UT
    Jun 21 - Comet 227P/Catalina-LINEAR Perihelion (1.790 AU)
    Jun 21 - Comet C/2016 B1 (NEOWISE) At Opposition (2.971 AU)
    Jun 21 - Asteroid 165347 Philplait Closest Approach To Earth (1.489 AU)
    Jun 21 - Asteroid 3062 Wren Closest Approach To Earth (2.136 AU)
    Jun 21 - Kuiper Belt Object 50000 Quaoar At Opposition (41.915 AU)
    * Jun 22 - AEHF 4 Atlas 5 Launch
    * Jun 22 - Moon Occults Aldebaran
    Jun 22 - Centaur Object 10199 Chariklo Occults 2UCAC 18533636 (14.6 Magnitude
    Star)
    Jun 22 - Apollo Asteroid 2010 VZ11 Near-Earth Flyby (0.079 AU)
    Jun 22 - Apollo Asteroid 2102 Tantalus Closest Approach To Earth (0.332 AU)
    Jun 22 - Apollo Asteroid 24761 Ahau Closest Approach To Earth (1.455 AU)
    Jun 22 - Asteroid 8373 Stephengould Closest Approach To Earth (3.064 AU)
    Jun 22 - Ewen Whitaker's 95th Birthday (1922)
    Jun 23 - Cassini, Distant Flyby of Epimetheus, Daphnis & Pandora
    * Jun 23 - Comet P/2009 SK280 (Spacewatch-Hill) Closest Approach To Earth (3.771 AU)
    Jun 23 - Asteroid 6459 Hidesan Occults HIP 91117 (3.8 Magnitude Star)
    Jun 23 - Asteroid 7086 Bopp Closest Approach To Earth (1.089 AU)
    Jun 23 - Asteroid 10389 Robmanning Closest Approach To Earth (1.197 AU)
    Jun 23 - Asteroid 9769 Nautilus Closest Approach To Earth (1.232 AU)
    Jun 23 - Asteroid 878 Mildred Closest Approach To Earth (1.313 AU)
    Jun 23 - Asteroid 78905 Seanokeefe Closest Approach To Earth (1.846 AU)
    Jun 23 - Asteroid 4969 Lawrence Closest Approach To Earth (2.848 AU)
    Jun 24 - Comet P/2000 S1 (Skiff) Perihelion (2.533 AU)
    Jun 24 - Aten Asteroid 441987 (2010 NY65) Near-Earth Flyby (0.020 AU)
    Jun 24 - Aten Asteroid 2014 OL339 Closest Approach To Earth (0.282 AU)
    Jun 24 - Asteroid 3656 Hemingway Closest Approach To Earth (0.890 AU)
    Jun 24 - Asteroid 8209 Toscanelli Closest Approach To Earth (1.172 AU)
    Jun 24 - Apollo Asteroid 4257 Ubasti Closest Approach To Earth (1.759 AU)
    Jun 24 - Asteroid 5703 Hevelius Closest Approach To Earth (1.910 AU)
    Jun 24 - Asteroid 588 Achilles (Jupiter Trojan) Closest Approach To Earth (4.964 AU)
    Jun 24 - Martin Perl's 90th Birthday (1927)
    Jun 25 - Cassini, Distant Flyby of Titan
    Jun 25 - Comet 73P-Q/Schwassmann-Wachmann Perihelion (0.963 AU)
    Jun 25 - Comet 243P/NEAT At Opposition (2.484 AU)
    Jun 25 - Comet 131P/Mueller At Opposition (2.893 AU)
    Jun 25 - Asteroid 50240 Cortina Closest Approach To Earth (1.647 AU)
    Jun 25 - 20th Anniversary (1997), Galileo, Callisto 9 Flyby
    Jun 25 - 25th Anniversary (1992), STS-50 Launch (Space Shuttle Columbia, Spacelab)
    Jun 26 - Comet P/2011 A2 (Scotti) At Opposition (2.263 AU)
    Jun 26 - Apollo Asteroid 2005 LW3 Near-Earth Flyby (0.084 AU)
    Jun 26 - Apollo Asteroid 10563 Izhdubar Closest Approach To Earth (0.690 AU)
    Jun 26 - Asteroid 3356 Resnik Closest Approach To Earth (0.928 AU)
    Jun 26 - Asteroid 6 Hebe Closest Approach To Earth (1.539 AU)
    Jun 26 - Asteroid 1539 Borrelly Closest Approach To Earth (2.377 AU)
    Jun 26 - Brian Roman's 55th Bithday (1962)
    Jun 27 - Comet 335P/Gibbs At Opposition (3.407 AU)
    Jun 27 - Comet 342P/SOHO At Opposition (3.408 AU)
    * Jun 27 - Comet C/2015 O1 (PANSTARRS) Closest Approach To Earth (3.517 AU)
    Jun 27 - 15th Anniversary (1997), NEAR, Asteroid Mathilde Flyby
    Jun 27 - 35th Anniversary (1982), STS-4 launch (Space Shuttle Columbia, DOD)
    Jun 27 - Alexis Bouvard's 250th Birthday (1767)
    Jun 28 - Mercury Passes 0.8 Degrees From Mars
    * Jun 28 - Moon Occults Regulus
    Jun 28 - Comet 129P/Shoemaker-Levy Closest Approach To Earth (3.544 AU)
    Jun 28 - Asteroid 3 Juno Occults 2UCAC 30236948 (12.8 Magnitude Star)
    Jun 28 - Asteroid 5961 Watt Closest Approach To Earth (1.485 AU)
    Jun 28 - Asteroid 2875 Lagerkvist Closest Approach To Earth (1.951 AU)
    Jun 28 - Centaur Object 10370 Hylonome At Opposition (22.688 AU)
    * Jun 29 - Moon Occults Asteroid 16 Psyche
    Jun 29 - Comet 336P/McNaught Closest Approach To Earth (1.951 AU)
    Jun 29 - Asteroid 990 Yerkes Closest Approach To Earth (1.584 AU)
    Jun 30 - Asteroid Day
    Jun 30 - Chinasat 9A CZ-3B/E Launch (China)
    Jun 30 - Cassini, Distant Flyby of Pan, Daphnis, Prometheus & Janus
    Jun 30 - Comet 73P-Q/Schwassmann-Wachmann Closest Approach To Earth (0.110 AU)
    Jun 30 - Comet 71P/Clark Perihelion (1.586 AU)
    Jun 30 - Comet 129P/Shoemaker-Levy At Opposition (3.545 AU)
    Jun 30 - Asteroid 39882 Edgarmitchell Closest Approach To Earth (1.382 AU)
    Jun 30 - Asteroid 4783 Wasson Closest Approach To Earth (2.056 AU)
    Jun 30 - Asteroid 2244 Tesla Closest Approach To Earth (2.073 AU)
    Jun 30 - Asteroid 16529 Dangoldin Closest Approach To Earth (2.141 AU)
    Jun 30 - Neptune Trojan 2008 LC18 At Opposition (31.442 AU)
    Jun 30 - 45th Anniversary (1972), 1st Leap Second
    Jun 30 - Robert Ballard's 75th Birthday (1942)

    July 2017
    Jul ?? - Kanopus V N3 & N4 Soyuz-2.1a/Fregat-M Launch
    Jul ?? - AngoSat 1/Energia 100 Angara-A5/DM-03 Launch
    Jul ?? - 215th Anniversary (1802), William Wollaston's Discovery of Palladium
    Jul 01 - Asteroid 3769 Arthurmiller Closest Approach To Earth (1.506 AU)
    Jul 01 - Asteroid 13681 Monty Python Closest Approach To Earth (1.809 AU)
    Jul 01 - Apollo Asteroid 306367 Nut Closest Approach To Earth (2.456 AU)
    Jul 01 - Asteroid 73769 Delphi Closest Approach To Earth (2.649 AU)
    Jul 01 - Centaur Object 55576 Amycus At Opposition (19.290 AU)
    Jul 01 - 20th Anniversary (1997), STS-94 Launch (Space Shuttle Columbia, Spacelab)
    Jul 01 - Matthew Holman's 50th Birthday (1967)
    Jul 01 - Kennedy Space Center's 55th Birthday (1962)
    Jul 01 - Louis Bleriot's 145th Birthday (1872)
    Jul 01 - 170th Anniversary (1847), Karl Hencke's Discovery of Asteroid 6 Hebe
    Jul 02 - Comet 81P/Wild Closest Approach To Earth (2.290 AU)
    Jul 02 - Apollo Asteroid 4034 Vishnu Closest Approach To Earth (1.584 AU)
    Jul 02 - Kuiper Belt Object 307261 (2002 MS4) At Opposition (45.759 AU)
    Jul 02 - Lutz Schmadel's 75th Birthday (1942)
    Jul 03 - Earth At Aphelion (1.017 AU From Sun)
    Jul 03 - Comet 332P-F/Ikeya-Murakami Closest Approach To Earth (2.710 AU)
    Jul 03 - Asteroid 5382 McKay Closest Approach To Earth (1.678 AU)
    Jul 03 - Asteroid 4523 MIT Closest Approach To Earth (1.834 AU)
    Jul 03 - Asteroid 767 Bondia Closest Approach To Earth (1.845 AU)
    Jul 03 - Asteroid 6592 Goya Closest Approach To Earth (2.051 AU)
    Jul 03 - Asteroid 582 Olympia Closest Approach To Earth (2.302 AU)
    Jul 03 - Centaur Object 10199 Chariklo At Opposition (14.651 AU)
    Jul 03 - 25th Anniversary (1992), SAMPEX Launch
    * Jul 04 - Apollo Asteroid 2017 BM31 Near-Earth Flyby (0.073 AU)
    Jul 04 - Asteroid 1279 Uganda Closest Approach To Earth (0.862 AU)
    Jul 04 - Asteroid 1221 Amor Closest Approach To Earth (1.227 AU)
    Jul 04 - Asteroid 14702 Benclark Closest Approach To earth (1.722 AU)
    Jul 04 - Asteroid 6677 Renoir Closest Approach To Earth (2.123 AU)
    Jul 04 - Asteroid 3106 Morabito Closest Approach To Earth (2.572 AU)
    Jul 04 - 20th Anniversary (1997), Mars Pathfinder, Mars Landing
    Jul 05 - Comet 332P-I/Ikeya-Murakami Closest Approach To Earth (2.681 AU)
    Jul 05 - Comet 332P-B/Ikeya-Murakami Closest Approach To Earth (2.682 AU)
    Jul 05 - Comet 332P-D/Ikeya-Murakami Closest Approach To Earth (2.683 AU)
    Jul 05 - Comet 332P-H/Ikeya-Murakami Closest Approach To Earth (2.683 AU)
    Jul 05 - Comet 332P-A/Ikeya-Murakami Closest Approach To Earth (2.684 AU)
    Jul 05 - Comet 332P-E/Ikeya-Murakami Closest Approach To Earth (2.685 AU)
    Jul 05 - Comet 332P-C/Ikeya-Murakami Closest Approach To Earth (2.686 AU)
    Jul 05 - Comet 131P/Mueller Closest Approach To Earth (2.877 AU)
    Jul 05 - Asteroid 4536 Drewpinsky Closest Approach To Earth (1.182 AU)
    Jul 05 - Asteroid 9617 Grahamchapman Closest Approach To Earth (1.457 AU)
    Jul 05 - Binary Apollo Asteroid 69230 Hermes Closest Approach To Earth (1.528
    AU)
    Jul 05 - Asteroid 11356 Chuckjones Closest Approach To Earth (2.180 AU)
    Jul 05 - Andrew Douglass' 150th Birthday (1867)
    Jul 05 - 330th Anniversary (1687), Isaac Newton's Principia Published
    Jul 06 - Cassini, Distant Flyby of Daphnis & Pan
    * Jul 06 - Comet 41P/Tuttle-Giacobini-Kresak At Opposition (0.514 AU)
    Jul 06 - Comet 332P/Ikeya-Murakami Closest Approach To Earth (2.695 AU)
    Jul 06 - Asteroid 5676 Voltaire Closest Approach To Earth (1.354 AU)
    Jul 06 - Asteroid 11341 Babbage Closest Approach To Earth (1.494 AU)
    Jul 06 - Asteroid 7495 Feynman Closest Approach To Earth (2.168 AU)
    Jul 06 - Asteroid 10552 Stockholm Closest Approach To Earth (2.720 AU)
    Jul 06 - Kuiper Belt Object 2014 PN70 At Opposition (42.980 AU)
    Jul 06 - 10th Anniversary (2007), Cali Meteorite Fall (Hit Houses in Columbia)
    Jul 07 - Comet 253P/PANSTARRS At Opposition (1.930 AU)
    Jul 07 - Comet 243P/NEAT Closest Approach To Earth (2.463 AU)
    Jul 07 - Asteroid 336698 Melbourne Closest Approach To Earth (2.071 AU)
    Jul 07 - Kuiper Belt Object 2014 MU69 At Opposition (42.275 AU)
    Jul 07 - Robert Heinlein's 110th Birthday (1907)
    Jul 08 - Comet 213P/Van Ness At Opposition (1.064 AU)
    Jul 08 - Comet 213P-B/Van Ness At Opposition (1.065 AU)
    Jul 08 - Comet 336P/McNaught At Opposition (1.962 AU)
    Jul 08 - Comet 332P-G/Ikeya-Murakami Closest Approach To Earth (2.685 AU)
    Jul 08 - Apollo Asteroid 1566 Icarus Closest Approach To Earth (1.005 AU)
    Jul 08 - Asteroid 757 Portlandia Closest Approach To Earth (1.568 AU)
    Jul 08 - 25th Anniversary (1992), Comet Shoemaker-Levy 9 Near-Jupiter Flyby (0.0008 AU), Comet Breakup
    Jul 09 - Apollo Asteroid 37655 Illapa Closest Approach To Earth (1.448 AU)
    Jul 09 - Asteroid 3156 Ellington Closest Approach To Earth (2.416 AU)
    Jul 09 - Asteroid 624 Hektor (Jupiter Trojan) Closest Approach To Earth (4.340 AU)
    Jul 10 - Cassini, Distant Flyby of Titan
    Jul 10 - Asteroid 434 Hungaria Closest Approach To Earth (0.938 AU)
    Jul 10 - Asteroid 365159 Garching Closest Approach To Earth (1.343 AU)
    Jul 10 - Asteroid 10806 Mexico Closest Approach To Earth (2.276 AU)
    Jul 10 - Dwarf Planet 134340 Pluto At Opposition (32.347 AU)
    Jul 10 - 25th Anniversary (1992), Giotto, Comet Grigg-Skjellerup Flyby
    Jul 10 - 55th Anniversary (1962), Telstar 1 Launch
    Jul 10 - Paolo Holvorcem's 50th Birthday (1967)
    Jul 10 - Alvan Clark's 180th Birthday (1832)
    Jul 10 - Roger Cotes' 335th Birthday (1682)
    Jul 11 - Comet 311P/PANSTARRS Perihelion (1.936 AU)
    Jul 11 - Asteroid 5748 Davebrin Closest Approach To Earth (1.908 AU)
    Jul 11 - Ted Maiman's 90th Birthday (1927)
    Jul 11 - Jerome Lalande's 285th Birthday (1732)
    Jul 12 - Comet 73P-AL/Schwassmann-Wachmann Perihelion (0.961 AU)
    Jul 12 - Apollo Asteroid 2008 HU4 Closest Approach To Earth (0.840 AU)
    Jul 12 - Apollo Asteroid 5011 Ptah Closest Approach To Earth (1.812 AU)
    Jul 12 - Asteroid 18725 Atacama Closest Approach To Earth (2.082 AU)
    Jul 12 - Asteroid 3162 Nostalgia Closest Approach To Earth (2.588 AU)
    Jul 12 - 40th Anniversary (1977), High Engery Astronomical Observatory (HEAO-1) Launch
    Jul 12 - Rick Husband's 60th Birthday (1957)
    Jul 13 - Langley Research Center's 100th Birthday (1917)
    Jul 13 - Cassini, Distant Flyby of Ephimetheus, Pandora, Atlas & Prometheus
    Jul 13 - Moon Occults Neptune
    Jul 13 - Asteroid 7079 Baghdad Closest Approach To Earth (0.702 AU)
    Jul 13 - Asteroid 4355 Memphis Closest Approach To Earth (1.522 AU)
    Jul 13 - Asteroid 247553 Berndpauli Closest Approach To Earth (2.727 AU)
    Jul 13 - Neptune Trojan 2011 HM102 At Opposition (27.140 AU)
    Jul 13 - Heinrich Kreutz's 110th Birthday (1907)
    Jul 13 - Mary Lea Heger's 120th Birthday (1897)
    Jul 13 - John Dee's 490th Birthday (1527)
    Jul 14 - Apollo Asteroid 2014 UV115 Near-Earth Flyby (0.096 AU)
    Jul 14 - Asteroid 14880 Moa Closest Approach To Earth (1.621 AU)
    Jul 14 - Asteroid 7392 Kowalski Closest Approach To Earth (1.783 AU)
    Jul 14 - Amor Asteroid 153591 (2001 SN263) (2 Moons) Closest Approach To Earth (1.768 AU)
    Jul 14 - Asteroid 5223 McSween Closest Approach To Earth (2.012 AU)
    Jul 14 - 70th Anniversary (1847), Braunau Meteorite Fall (Hit House in Czechoslovakia)
    Jul 15 - International Observe The Moon Night
    * Jul 15 - ORS 5 Minotaur 4 Launch
    * Jul 15 - Apollo Asteroid 2017 BS6 Near-Earth Flyby (0.055 AU)
    Jul 15 - Apollo Asteroid 2015 XZ378 Near-Earth Flyby (0.080 AU)
    Jul 15 - 45th Anniversary (1972), Pioneer 10 Becomes 1st Spacecraft to Enter Main Asteroid Belt
    Jul 16 - Comet 217P/LINEAR Perihelion (1.233 AU)
    Jul 16 - Comet 332P-F/Ikeya-Murakami At Opposition (2.734 AU)
    Jul 16 - Asteroid 91287 Simon-Garfunkel Closest Approach To Earth (1.344 AU)
    Jul 16 - Asteroid 132904 Notkin Closest Approach To Earth (2.442 AU)
    Jul 16 - Apollo Asteroid 5731 Zeus Closest Approach To Earth (2.454 AU)
    Jul 17 - Comet 189P/NEAT Closest Approach To Earth (0.360 AU)
    Jul 17 - Comet 251P/LINEAR Perihelion (1.733 AU)
    Jul 17 - Asteroid 2701 Cherson Occults HIP 98351 (6.3 Magnitude Star)
    Jul 17 - Asteroid 2247 Hiroshima Closest Approach To Earth (1.490 AU)
    Jul 17 - Asteroid 5277 Brisbane Closest Approach To Earth (1.604 AU)
    Jul 17 - Asteroid 7016 Conandoyle Closest Approach To Earth (1.617 AU)
    Jul 17 - Asteroid 7273 Garyhuss Closest Approach To Earth (1.655 AU)
    Jul 17 - Asteroid 7934 Sinatra Closest Approach To Earth (1.909 AU)
    Jul 17 - 50th Anniversary (1967), Denver Meteorite Fall (Hit Warehouse in Colorado)
    Jul 18 - Comet 213P/Van Ness Closest Approach To Earth (1.053 AU)
    Jul 18 - Comet 213P-B/Van Ness Closest Approach To Earth (1.055 AU)
    Jul 18 - Comet 332P-I/Ikeya-Murakami At Opposition (2.705 AU)
    Jul 18 - Comet 332P-B/Ikeya-Murakami At Opposition (2.706 AU)
    Jul 18 - Comet 332P-D/Ikeya-Murakami At Opposition (2.706 AU)
    Jul 18 - Comet 332P-H/Ikeya-Murakami At Opposition (2.707 AU)
    Jul 18 - Comet 332P-A/Ikeya-Murakami At Opposition (2.708 AU)
    Jul 18 - Comet 332P-E/Ikeya-Murakami At Opposition (2.709 AU)
    Jul 18 - Comet 332P-C/Ikeya-Murakami At Opposition (2.711 AU)
    Jul 18 - Comet 332P/Ikeya-Murakami At Opposition (2.717 AU)
    Jul 18 - Atira Asteroid 2015 DR215 Closest Approach To Earth (0.580 AU)
    Jul 19 - Cassini, Distant Flyby of Atlas & Janus
    Jul 19 - Atira Asteroid 2010 XB11 Closest Approach To Earth (0.735 AU)
    Jul 19 - Asteroid 365756 ISON Closest Approach To Earth (7.659 AU)
    Jul 19 - 50th Anniversary (1967), Explorer 35 Launch (Moon Orbiter)
    Jul 19 - 105th Anniversary (1912), Holbrook Meteorite Shower (Hit Train Station in Arizona)
    * Jul 20 - Moon Occults Aldebaran
    Jul 20 - Apollo Asteroid 2009 BD Closest Approach To Earth (0.520 AU)
    Jul 20 - Asteroid 10183 Ampere Closest Approach To Earth (1.415 AU)
    Jul 20 - Asteroid 3688 Navajo Closest Approach To Earth (3.180 AU)
    Jul 21 - Comet 185P/Petriew Closest Approach To Earth (1.606 AU)
    Jul 21 - Comet 81P/Wild At Opposition (2.338 AU)
    Jul 21 - Comet 332P-G/Ikeya-Murakami At Opposition (2.709 AU)
    Jul 21 - Asteroid 17640 Mount Stromlo Closest Approach To Earth (1.179 AU)
    Jul 21 - Asteroid 5649 Donnashirley Closest Approach To Earth (1.796 AU)
    Jul 21 - Asteroid 6318 Cronkite Closest Approach To Earth (2.340 AU)
    Jul 21 - 15th Anniversary (2002), Thuathe Meteorite Fall (Hit Houses in Lesotho)
    Jul 22 - Comet 253P/PANSTARRS Closest Approach To Earth (1.899 AU)
    Jul 22 - Asteroid 19631 Greensleeves Closest Approach To Earth (1.817 AU)
    Jul 22 - Asteroid 336694 Fey Closest Approach To Earth (1.987 AU)
    Jul 22 - Asteroid 3534 Sax Closest Approach To Earth (2.187 AU)
    Jul 22 - 45th Anniversary (1972), Venera 8, Venus Landing
    Jul 22 - 45th Anniversary (1972), Landsat 1 Launch
    Jul 23 - Comet C/2015 W1 (Gibbs) At Opposition (4.230 AU)
    * Jul 23 - Apollo Asteroid 2017 BS5 Near-Earth Flyby (0.008 AU)
    Jul 23 - Atira Asteroid 418265 (2008 EA32) Closest Approach To Earth (0.593 AU)
    Jul 23 - Asteroid 3252 Johnny Closest Approach To Earth (1.961 AU)
    Jul 23 - Asteroid 51826 Kalpanachawla Closest Approach To Earth (2.220 AU)
    Jul 23 - Apollo Asteroid 7092 Cadmus Closest Approach To Earth (2.854 AU)
    Jul 24 - Asteroid 11247 Wilburwright Closest Approach To Earth (1.803 AU)
    Jul 24 - 25th Anniversary (1992), Geotail Launch
    Jul 24 - Amelia Earhart's 120th Birthday (1897)
    Jul 25 - Cassini, Distant Flyby of Titan & Pan
    * Jul 25 - Moon Occults Mercury
    Jul 25 - Apollo Asteroid 2014 WW202 Near-Earth Flyby (0.051 AU)
    * Jul 25 - Apollo Asteroid 480858 (2001 PT9) Near-Earth Flyby (0.069 AU)
    Jul 25 - Asteroid 128 Nemesis Closest Approach To Earth (1.644 AU)
    Jul 25 - Asteroid 48300 Kronk Closest Approach To Earth (1.937 AU)
    Jul 26 - Comet 259P/Garradd At Opposition (0.872 AU)
    Jul 26 - Asteroid 1332 Marconia Occults HIP 104204 (6.7 Magnitude Star)
    Jul 26 - Apollo Asteroid 4660 Nereus Closest Approach To Earth (0.996 AU)
    Jul 26 - Asteroid 90125 Chrissquire Closest Approach To Earth (1.731 AU)
    Jul 26 - Apollo Asteroid 2135 Aristaeus Closest Approach To Earth (1.771 AU)
    Jul 26 - Asteroid 5805 Glasgow Closest Approach To Earth (1.805 AU)
    Jul 26 - Asteroid 12820 Robinwilliams Closest Approach To Earth (1.870 AU)
    Jul 27 - Cassini, Distant Flyby of Titan
    * Jul 27 - Moon Occults Asteroid 16 Psyche
    Jul 27 - Comet 259P/Garradd Closest Approach To Earth (0.872 AU)
    Jul 27 - Asteroid 3125 Hay Closest Approach To Earth (2.108 AU)
    Jul 27 - Asteroid 1154 Astronomia Closest Approach To Earth (2.150 AU)
    Jul 27 - Wilhelm Brandes' 240th Birthday (1777)
    * Jul 28 - Soyuz MS-5 Soyuz-FG Launch (International Space Station 51S)
    Jul 28 - Comet 333P/LINEAR At Opposition (3.573 AU)
    Jul 28 - Asteroid 10101 Fourier Closest Approach To Earth (1.333 AU)
    Jul 28 - Asteroid 6111 Davemckay Closest Approach To Earth (1.489 AU)
    Jul 28 - Asteroid 5036 Tuttle Closest Approach To Earth (2.570 AU)
    Jul 28 - Charles Perrine's 150th Birthday (1867)
    Jul 29 - South Delta-Aquarids Meteor Shower Peak
    Jul 29 - Centaur Object 83982 Crantor At Opposition (17.417)
    Jul 29 - 35th Anniversary (1982), Burnup of Salyut 6 Space Station (USSR)
    Jul 30 - Mercury At Its Greatest Eastern Elongation (27 Degrees)
    Jul 30 - Asteroid 1094 Siberia Closest Approach To Earth (1.837 AU)
    Jul 30 - Vladimir Dezhurov's 55th Birthday (1962)
    Jul 31 - Asteroid 19398 Creedence Closest Approach To Earth (0.962 AU)
    Jul 31 - Asteroid 2161 Grissom Closest Approach To Earth (1.535 AU)
    Jul 31 - Asteroid 12410 Donald Duck Closest Approach To Earth (1.815 AU)
    Jul 31 - 25th Anniversary (1992), STS-46 Launch (Space Shuttle Atlantis, EURECA)

    August 2017
    Aug ?? - Transiting Expoplanet Survyey Satellite (TESS) Falcon 9 Launch
    Aug ?? - Optsat 3000/Venus/Samson 1-3 Vega Launch
    Aug 01 - 50th Anniversary (1967), Lunar Orbiter 5 Launch
    * Aug 01 - CRS-12/ASTERIA/LAICE/RBLE/AOSAT 1/OPAL/OSIRIS-3U/Overview 1A Falcon
    9 Launch
    Aug 01 - Cassini, Distant Flyby of Prometheus, Pandora & Pan
    Aug 01 - Alpha Capricornids Meteor Shower Peak
    Aug 01 - Asteroid 3140 Stellafane Closest Approach To Earth (1.830 AU)
    Aug 01 - Asteroid 22739 Sikhote-Alin Closest Approach To Earth (2.034 AU)
    Aug 01 - Asteroid 29132 Bradpitt Closest Approach to Earth (2.169 AU)
    Aug 01 - Asteroid 1125 China Closest Approach To Earth (2.736 AU)
    Aug 01 - Kuiper Belt Object 2013 AT183 At Opposition (63.416 AU)
    Aug 02 - Asteroid 20488 Pic-du-Midi Closest Approach To Earth (1.365 AU)
    Aug 02 - Asteroid 30441 Curly Closest Approach To Earth (1.644 AU)
    Aug 02 - Asteroid 9997 COBE Closest Approach To Earth (1.646 AU)
    Aug 02 - Peter Jenniskens' 55th Birthday (1962)
    Aug 03 - TDRS M Atlas 5 Launch
    Aug 03 - Comet 73P-AS/Schwassmann-Wachmann Perihelion (0.960 AU)
    Aug 03 - Comet C/2015 H2 (PANSTARRS) Closest Approach To Earth (4.618 AU)
    Aug 03 - Asteroid 281 Lucretia Closest Approach To Earth (1.203 AU)
    Aug 03 - Asteroid 6377 Cagney Closest Approach To Earth (1.451 AU)
    Aug 03 - Centaur Object 52872 Okyrhoe At Opposition (9.587 AU)
    Aug 04 - Comet 2P/Encke At Opposition (1.288 AU)
    Aug 04 - Asteroid 12485 Jenniferharris Closest Approach To Earth (1.219 AU)
    Aug 04 - Asteroid 4970 Druyan Closest Approach To Earth (1.486 AU)
    Aug 04 - Asteroid 216 Kleopatra Closest Approach To Earth (1.672 AU)
    Aug 04 - Asteroid 6676 Monet Closest Approach To Earth (2.627 AU)
    Aug 04 - 10th Anniversary (2007), Phoenix Launch (Mars Lander)
    Aug 05 - GRACE-FO 1 & 2 Dnepr-1 Launch
    Aug 05 - Comet 339P/Gibbs Closest Approach To Earth (2.688 AU)
    Aug 05 - Kuiper Belt Object 2008 OG19 At Opposition (37.654 AU)
    Aug 05 - 5th Anniversary (2012), Mars Science Laboratory (MSL), Mars Landing
    Aug 05 - Brian Marsden's 80th Birthday (1937)
    Aug 05 - Niels Abel's 215th Birthday (1802)
    Aug 06 - Southern Iota Aquarids Meteor Shower Peak
    Aug 06 - Comet 189P/NEAT Perihelion (1.213 AU)
    Aug 06 - Comet 259P/Garradd Perihelion (1.809 AU)
    Aug 06 - Asteroid 5247 Krylov Occults HIP 104172 (6.1 Magnitude Star)
    Aug 06 - Asteroid 3351 Smith Closest Approach To Earth (1.530 AU)
    Aug 06 - Asteroid 1258 Sicilia Closest Approach To Earth (2.109 AU)
    Aug 06 - Sylvain Arend's 115th Birthday (1902)
    Aug 06 - Johann Bernoulli's 350th Birthday (1667)
    Aug 07 - Partial Lunar Eclipse
    Aug 07 - Cassini, Distant Flyby of Janus, Atlas & Epimetheus
    Aug 07 - Apollo Asteroid 1991 VG Near-Earth Flyby (0.057 AU)
    Aug 07 - Apollo Asteroid 2007 PS9 Near-Earth Flyby (0.077 AU)
    Aug 07 - Apollo Asteroid 2016 YR Near-Earth Flyby (0.095 AU)
    Aug 07 - Asteroid 3672 Stevedberg Closest Approach To Earth (1.173 AU)
    Aug 07 - Asteroid 8664 Grigorijrichters Closest Approach To Earth (1.279 AU)
    Aug 07 - Asteroid 5553 Chodas Closest Approach To Earth (2.218 AU)
    Aug 07 - 20th Anniversary (1997), STS-85 Launch (Space Shuttle Discovery, CRISTA-SPAS)
    Aug 08 - Apollo Asteroid 2003 OT13 Near-Earth Flyby (0.093 AU)
    Aug 08 - Aten Asteroid 153415 (2001 QP153) Near-Earth Flyby (0.095 AU)
    Aug 08 - Asteroid 25924 Douglasadams Closest Approach To Earth (1.162 AU)
    Aug 08 - Asteroid 3673 Levy Closest Approach To Earth (1.408 AU)
    Aug 08 - 10th Anniversary (2007), STS-118 Launch (Space Shuttle Endeavour, International Space Station)
    Aug 08 - 40th Anniversary (1977), Salyut 5 Space Station Burnup
    Aug 08 - Ferdinand Quenisset's 145th Birthday (1872)
    Aug 09 - Moon Occults Neptune
    Aug 09 - Asteroid 12477 Haiku Closest Approach To Earth (1.413 AU)
    Aug 09 - Asteroid 6227 Alanrubin Closest Approach To Earth (1.811 AU)
    Aug 09 - 135th Anniversary (1872), 1st Photo of the Spectrum of a Star (Vega)
    by Henry Draper
    Aug 10 - Comet 73P-AL/Schwassmann-Wachmann Closest Approach To Earth (0.277 AU)
    Aug 10 - Apollo Asteroid 2015 XO128 Near-Earth Flyby (0.095 AU)
    Aug 10 - Asteroid 945 Barcelona Closest Approach To Earth (2.030 AU)
    Aug 10 - Asteroid 17062 Bardot Closest Approach To Earth (2.057 AU)
    Aug 10 - 25th Anniversary (1992), TOPEX/Poseidon Launch
    Aug 10 - 25th Anniversary (1992), Kitsat A Launch (1st South Korean Satellite)
    Aug 10 - 45th Anniversary (1972), Daylight Fireball (Utah, Canada)
    Aug 10 - 85th Anniversary (1932), Archie Meteorite Fall (Near-Miss From Hitting Man in Missouri)
    Aug 11 - Cassini, Distant Flyby of Titan
    Aug 11 - Asteroid 1587 Kahrstedt Occults HIP 32311 (5.4 Magnitude Star)
    Aug 11 - Asteroid 18024 Dobson Closest Approach To Earth (2.185 AU)
    Aug 11 - 55th Anniversary (1962), Vostok 3 Launch
    Aug 11 - 140th Anniversary (1877), Asaph Hall's Discovery of Mars Moon Deimos

    Aug 12 - Asteroid 13212 Jayleno Closest Approach To Earth (1.299 AU)
    Aug 12 - Apollo Asteroid 5143 Heracles Closest Approach To Earth (1.634 AU)
    Aug 12 - Asteroid 8991 Solidarity Closest Approach To Earth (1.663 AU)
    Aug 12 - 40th Anniversary (1977), HEAO 1 Launch
    Aug 12 - 55th Anniversary (1962), Vostok 4 Launch
    Aug 12 - Otto Struve's 120th Birthday (1897)
    Aug 13 - Apollo Asteroid 2014 OA339 Near-Earth Flyby (0.033 AU)
    Aug 13 - Apollo Asteroid 2003 MJ4 Near-Earth Flyby (0.098 AU)
    Aug 13 - Asteroid 4147 Lennon Closest Approach To Earth (1.346 AU)
    Aug 13 - Asteroid 3895 Earhart Closest Approach To Earth (1.739 AU)
    Aug 13 - Asteroid 447 Valentine Closest Approach To Earth (1.936 AU)
    Aug 13 - Asteroid 284996 Rosaparks Closest Approach To Earth (2.050 AU)
    Aug 13 - Asteroid 656 Beagle Closest Approach To Earth (2.544 AU)
    Aug 13 - Heinrich d'Arrest's 195th Birthday (1822)
    Aug 13 - 345th Anniversary (1672), Christiaan Huygens' Discovery of Mars' South Polar Cap
    Aug 14 - Cassini, Distant Flyby of Atlas & Prometheus
    Aug 14 - Asteroid 930 Westphalia Occults HIP 34358 (5.9 Magnitude Star)
    Aug 14 - Asteroid 13609 Lewicki Closest Approach To Earth (1.293 AU)
    Aug 14 - 25th Anniversary (1992), Mbale Meteorite Fall (Hit Boy in Uganda)
    Aug 15 - Comet 95P/Chiron Occults 2UCAC 32806659 (14.3 Magnitude Star)
    Aug 15 - Apollo Asteroid 414990 (2011 EM51) Near-Earth Flyby (0.078 AU)
    Aug 15 - Asteroid 3933 Portugal Closest Approach To Earth (1.967 AU)
    Aug 15 - Louis de Broglie's 125th Birthday (1892)
    * Aug 16 - Moon Occults Aldebaran
    Aug 16 - Asteroid 37582 Faraday Closest Approach To Earth (0.952 AU)
    Aug 16 - Asteroid 2713 Luxemburg Closest Approach To Earth (1.799 AU)
    Aug 17 - Comet C/2015 H2 (PANSTARRS) At Opposition (4.644 AU)
    Aug 17 - Apollo Asteroid 2002 CY58 Near-Earth Flyby (0.068 AU)
    Aug 17 - Apollo Asteroid 2016 CD137 Near-Earth Flyby (0.099 AU)
    Aug 17 - Atira Asteroid 2015 ME131 Closest Approach To Earth (0.415 AU)
    Aug 17 - Asteroid 5107 Laurenbacall Closest Approach To Earth (2.271 AU)
    Aug 17 - Kathyrn Thornton's 65th Birthday (1952)
    Aug 17 - 140th Anniversary (1877), Asaph Hall's Discovery of Mars Moon Phobos
    Aug 17 - 260th Anniversary (1757), The Opening of the Macfarlane Observatory
    Aug 18 - Comet 30P/Reinmuth Perihelion (1.878 AU)
    Aug 18 - Apollo Asteroid 2012 BD14 Near-Earth Flyby (0.067 AU)
    Aug 18 - Asteroid 13208 Fraschetti Closest Approach To Earth (0.966 AU)
    Aug 19 - Comet P/2010 P4 (WISE) Perihelion (1.862 AU)
    Aug 19 - Asteroid 3654 AAS Closest Approach To Earth (0.982 AU)
    Aug 19 - Asteroid 1132 Hollandia Closest Approach To Earth (1.016 AU)
    Aug 19 - 20th Anniversary (1997), Mabuhay 1 Launch (1st Philippine Satellite)

    Aug 20 - Cassini, Distant Flyby of Pandora, Pan & Daphnis
    Aug 20 - Asteroid 3852 Glennford Closest Approach To Earth (1.708 AU)
    Aug 20 - Asteroid 78577 JPL Closest Approach To Earth (2.003 AU)
    Aug 20 - Asteroid 48575 Hawaii Closest Approach To Earth (2.299 AU)
    Aug 20 - Asteroid 249516 Aretha Closest Approach To Earth (2.325 AU)
    Aug 20 - Asteroid 5335 Damocles (Burnt Out Comet) At Opposition (19.683 AU)
    Aug 20 - 40th Anniversary (1977), Voyager 2 Launch
    Aug 21 - Total Solar Eclipse (Visible from United States)
    Aug 21 - Comet C/2015 VL62 Closest Approach To Earth (1.742 AU)
    Aug 21 - Comet C/2015 VL62 At Opposition (1.742 AU)
    Aug 21 - Asteroid 5540 Smirnova Closest Approach To Earth (0.824 AU)
    Aug 21 - Asteroid 1850 Kohoutek Closest Approach To Earth (1.135 AU)
    Aug 21 - Asteroid 1814 Bach Closest Approach To Earth (1.339 AU)
    Aug 21 - Asteroid 15332 CERN Closest Approach To Earth (1.566 AU)
    Aug 21 - Asteroid 6639 Marchis Closest Approach To Earth (1.841 AU)
    Aug 21 - 45th Anniversary (1972), Copernicus Launch
    Aug 22 - Asteroid 3 Juno Occults 2UCAC 28762234 (12.4 Magnitude Star)
    Aug 22 - Asteroid 2865 Laurel Closest Approach To Earth (1.498 AU)
    Aug 22 - Asteroid 804 Hispania Closest Approach To Earth (1.439 AU)
    Aug 22 - Asteroid 1791 Patsayev Closest Approach To Earth (1.511 AU)
    Aug 22 - Asteroid 8423 Macao Closest Approach To Earth (1.627 AU)
    Aug 22 - Asteroid 289586 Shackleton Closest Approach To Earth (1.644 AU)
    Aug 22 - Raymonde de Laroche's 135th Birthday (1882)
    Aug 23 - Lubor Kresak's 90th Birthday (1927)
    Aug 24 - SpX-DM2 Falcon 9 Launch (Internationl Space Station)
    Aug 24 - Comet 339P/Gibbs At Opposition (2.742 AU)
    Aug 24 - Comet 252P/LINEAR At Opposition (3.308 AU)
    Aug 24 - Comet P/2016 A7 (PANSTARRS) At Opposition (3.550 AU)
    Aug 24 - Apollo Asteroid 54509 YORP Closest Approach To Earth (0.652 AU)
    Aug 24 - Asteroid 2531 Cambridge Closest Approach To Earth (2.176 AU)
    Aug 24 - Asteroid 88705 Potato Closest Approach To Earth (2.213 AU)
    Aug 24 - Asteroid 51827 Laurelclark Closest Approach To Earth (2.309 AU)
    Aug 25 - Northern Iota Aquarids Meteor Shower Peak
    Aug 25 - Apollo Asteroid 2005 QQ87 Near-Earth Flyby (0.087 AU)
    Aug 25 - Asteroid 2598 Merlin Closest Approach To Earth (1.651 AU)
    Aug 25 - Asteroid 2305 King Closest Approach To Earth (1.732 AU)
    Aug 25 - Asteroid 2742 Gibson Closest Approach To Earth (1.851 AU)
    Aug 25 - Asteroid 18728 Grammier Closest Approach To Earth (2.123 AU)
    Aug 25 - 20th Anniversary (1997), Advanced Composition Explorer (ACE) Launch
    Aug 26 - Cassini, Distant Flyby of Titan
    Aug 27 - Cassini, Distant Flyby of Janus, Daphnis, Prometheus, Epimetheus, Pandora & Pan
    * Aug 27 - Comet P/2010 EY90 (Lemmon) Perihelion (2.499 AU)
    Aug 27 - Comet C/2016 P4 (PANSTARRS) Closest Approach To Earth (5.316 AU)
    Aug 27 - Amor Asteroid 2202 Pele Closest Approach To Earth (0.670 AU)
    Aug 27 - Asteroid 5945 Roachapproach Closest Approach To Earth (0.909 AU)
    Aug 27 - Asteroid 51824 Mikeanderson Closest Approach To Earth (1.661 AU)
    Aug 27 - Asteroid 2710 Veverka Closest Approach To Earth (1.703 AU)
    Aug 27 - Asteroid 9025 Polansky Closest Approach To Earth (1.757 AU)
    Aug 27 - Asteroid 508 Princetonia Closest Approach To Earth (2.188 AU)
    Aug 27 - Kuiper Belt Object 225088 (2007 OR10) At Opposition (86.829 AU)
    Aug 27 - 55th Anniversary (1962), Mariner 2 Launch
    Aug 28 - Cassini, Distant Flyby of Titan
    Aug 28 - Comet C/2015 VL62 Perihelion (2.720 AU)
    Aug 28 - Amor Asteroid 2015 RQ35 Near-Earth Flyby (0.095 AU)
    Aug 28 - Apollo Asteroid 3752 Camillo Closest Approach To Earth (0.558 AU)
    Aug 28 - Asteroid 29470 Higgs Closest Approach To Earth (1.575 AU)
    Aug 28 - Asteroid 293 Brasilia Closest Approach To Earth (2.207 AU)
    Aug 28 - Kuiper Belt Object 2004 NT33 At Opposition (38.173 AU)
    Aug 28 - George Alcock's 105th Birthday (1912)
    Aug 29 - Aten Asteroid 2100 Ra-Shalom Closest Approach To Earth (1.212 AU)
    Aug 29 - Asteroid 14094 Garneau Closest Approach To Earth (1.765 AU)
    Aug 29 - Centaur Object 7066 Nessus At Opposition (26.750 AU)
    Aug 29 - Kuiper Belt Object 307982 (2004 PG115) At Opposition (37.184 AU)
    Aug 30 - Comet 145P/Shoemaker-Levy Perihelion (1.897 AU)
    Aug 30 - Asteroid 87 Sylvia (2 Moons) Closest Approach To Earth (2.176 AU)
    Aug 30 - 25th Anniversary (1992), David Jewitt's & Jane Luu's Discovery of the 1st Kuiper Belt Object (1992 QB1)
    Aug 31 - Dwarf Planet Ceres Occults TYC 1910-00447-1 (7.9 Magnitude Star)
    Aug 31 - Asteroid 5040 Rabinowitz Closest Approach To Earth (0.891 AU)
    Aug 31 - Asteroid 2575 Bulgaria Closest Approach To Earth (1.215 AU)
    Aug 31 - Asteroid 1159 Granada Closest Approach To Earth (1.262 AU)
    Aug 31 - Asteroid 2864 Soderblom Closest Approach To Earth (2.137 AU)
    Aug 31 - Centaur Object 944 Hidalgo At Opposition (3.287 AU)
    Aug 31 - Kuiper Belt Object 2003 QX113 At Opposition (59.043 AU)
    Aug 31 - 25th Anniversary (1992), Theodore Von Karman Stamp Release
    Aug 31 - 55th Anniversary (1962), John F. Kennedy Signs Communications Satellite Act
    Aug 31 - 85th Anniversary (1932), 1st Photo Showing Moon's Shadow on the Earth during Solar Ecipse Taken By Capt Albert Stevens
    Aug 31 - 175th Anniverdary (1842), US Naval Observatory Authorized by Act of Congress
    Aug 31 - Edouard Stephan's 180th Birthday (1837)
    Aug 31 - James Ferguson's 220th Birthday (1797)

    September 2017
    Sep ?? - GPS 3-1 Delta 4 Launch
    Sep 01 - Amor Asteroid 3122 Florence Near-Earth Flyby (0.047 AU)
    Sep 01 - Asteroid 7507 Israel Closest Approach To Earth (0.890 AU)
    Sep 01 - Plutino 175113 (2004 PF115) At Opposition (40.557 AU)
    Sep 01 - Kuiper Belt Object 120178 (2003 OP32) At Opposition (41.265 AU)
    Sep 01 - 20th Anniversary (1997), Worden Meteorite (Hit Garage & Car in Michigan)
    Sep 01 - 35th Anniversary (1982), Founding of the United States Air Force Space Command
    Sep 01 - Dirk Brouwer's 115th Birthday (1902)
    Sep 01 - 135th Anniversary (1882), Discovery of the Great Comet of 1882
    Sep 01 - Francis Aston's 140th Birthday (1877)
    Sep 01 - Rado von Kovesligethy's 155th Birthday (1862)
    Sep 02 - Cassini, Distant Flyby of Daphnis & Atlas
    Sep 02 - Mercury Passes 4.1 Degrees from Mars
    Sep 02 - Comet 73P-AS/Schwassmann-Wachmann Closest Approach To Earth (0.596 AU)
    Sep 02 - Asteroid 55555 DNA Closest Approach To Earth (1.285 AU)
    Sep 02 - Asteroid 5190 Fry Closest Approach To Earth (2.411 AU)
    Sep 02 - 50th Anniversary (1967), Wiluna Meteorite Shower in Australia
    Sep 02 - Frederick Soddy's 140th Birthday (1877)
    Sep 02 - 265th Anniversary (1752), British Empire Adopts Gregorian Calendar
    Sep 03 - Apollo Asteroid 101955 Bennu Closest Approach To Earth (0.317 AU)
    Sep 03 - Asteroid 9258 Johnpauljones Closest Approach To Earth (0.900 AU)
    Sep 03 - Asteroid 241 Germania Closest Approach To Earth (1.740 AU)
    Sep 03 - Asteroid 218998 Navi Closest Approach To Earth (1.747 AU)
    Sep 03 - Asteroid 73511 Lovas Closest Approach To Earth (1.983 AU)
    Sep 03 - Apollo Asteroid 217628 Lugh Closest Approach To Earth (2.875 AU)
    Sep 03 - 15th Anniversary (2003), Discovery of J002E3 (Apollo 12 Rocket Stage)
    Sep 03 - Gerry Neugebauer's 85th Birthday (1932)
    Sep 03 - Ralph Copeland's 180th Birthday (1837)
    Sep 04 - Asteroid 3354 McNair Closest Approach To Earth (1.187 AU)
    Sep 04 - Apollo Asteroid 11885 Summanus Closest Approach To Earth (1.440 AU)
    Sep 04 - Asteroid 8958 Stargazer Closest Approach To Earth (1.492 AU)
    Sep 04 - Asteroid 12382 Niagara Falls Closest Approach To Earth (1.699 AU)
    Sep 04 - 5th Anniversary (2012), Dawn, Vesta Departure
    Sep 04 - 55th Anniversary (1962), 1st Rocket Maneuver in Deep Space (Mariner 2)
    Sep 04 - Oscar Monnig's 115th Birthday (1902)
    Sep 05 - Neptune At Opposition
    Sep 05 - Apollo Asteroid 5786 Talos Closest Approach To Earth (0.956 AU)
    Sep 05 - Asteroid 1095 Tulipa Closest Approach To Earth (2.085 AU)
    Sep 05 - 40th Anniversary (1977), Voyager 1 Launch
    Sep 06 - Moon Occults Neptune
    Sep 06 - Comet P/2016 J1-A (PANSTARRS) Closest Approach To Earth (2.181 AU)
    Sep 06 - Comet P/2016 J1-B (PANSTARRS) Closest Approach To Earth (2.181 AU)
    Sep 06 - Comet C/2016 T3 (PANSTARRS) Perihelion (2.650 AU)
    Sep 06 - Comet C/2016 P4 (PANSTARRS) At Opposition (5.330 AU)
    Sep 06 - Asteroid 18125 Brianwilson Closest Approach To Earth (1.723 AU)
    Sep 06 - Kuiper Belt Object 145452 (2005 RN43) At Opposition (39.622 AU)
    Sep 06 - Edward Appleton's 125th Birthday (1892)
    Sep 07 - Comet C/2014 B1 (Schwartz) Perihelion (9.561 AU)
    Sep 07 - Asteroid 3259 Brownlee Closest Approach To Earth (2.532 AU)
    Sep 07 - Centaur Object 37117 Narcissus At Opposition (3.561 AU)
    Sep 07 - Kuiper Belt Object 2010 RF43 At Opposition (52.546 AU)
    Sep 07 - 10th Anniversary (2007), Guadalajara Meteorite Fall (Hit House in Mexico)
    Sep 08 - Asteroid 3594 Scotti Closest Approach To Earth (1.598 AU)
    Sep 08 - Asteroid 270553 Loureed Closest Approach To Earth (1.740 AU)
    Sep 08 - Asteroid 296907 Alexander Closest Approach To Earth (1.919 AU)
    Sep 08 - 25th Anniversary (1992), Geotail, Moon Flyby
    Sep 08 - 50th Anniversary (1967), Surveyor 5 Launch (Moon Lander)
    Sep 08 - Arthur Wahl's 100th Birthday (1917)
    Sep 08 - Hans Fichtner's 100th Birthday (1917)
    Sep 09 - Cassini, Distant Flyby of Daphnis, Atlas & Prometheus
    Sep 09 - Asteroid 6925 Susumu Occults HIP 21673 (5.1 Magnitude Star)
    Sep 09 - Asteroid 904 Rockefellia Occults HIP 30602 (6.4 Magnitude Star)
    Sep 09 - Apollo Asteroid 2015 FO124 Near-Earth Flyby (0.070 AU)
    Sep 09 - Asteroid 19383 Rolling Stones Closest Approach To Earth (0.965 AU)
    Sep 09 - Asteroid 727 Nipponia Closest Approach To Earth (1.430 AU)
    Sep 09 - Asteroid 876 Scott Closest Approach To Earth (1.674 AU)
    Sep 09 - Asteroid 1604 Tombaugh Closest Approach To Earth (1.718 AU)
    Sep 09 - 35th Anniversary (1982), Conestoga I Launch (1st Private Rocket)
    Sep 09 - 125th Anniversary (1892), Edward Barnard's Discovery of Jupiter Moon
    Amalthea
    Sep 09 - John Poynting's 165th Birthday (1852)
    Sep 09 - 210th Anniversary (1807), Parisi's Discovery of The Great Comet of 1807
    Sep 10 - Asteroid 3124 Kansas Closest Approach To Earth (1.532 AU)
    Sep 10 - Asteroid 3728 IRAS Closest Approach To Earth (1.693 AU)
    Sep 10 - Asteroid 8103 Fermi Closest Approach To Earth (1.985 AU)
    Sep 10 - Arthur Compton's 125th Birthday (1892)
    Sep 10 - James Keeler's 160th Birthday (1857)
    Sep 11 - Cassini, Distant Flyby of Titan
    Sep 11 - Apollo Asteroid 2014 RC Near-Earth Flyby (0.039 AU)
    Sep 11 - Asteroid 21619 Johnhopkins Closest Approach To Earth (1.390 AU)
    Sep 11 - Asteroid 7225 Huntress Closest Approach To Earth (1.622 AU)
    Sep 11 - 20th Anniversary (1997), Mars Global Surveyor, Mars Orbit Insertion
    Sep 11 - Robert Crippen's 80th Birthday (1937)
    Sep 11 - James Jeans' 140th Birthday (1877)
    * Sep 12 - Soyuz MS-6 Soyuz-FG Launch (International Space Station 52S)
    Sep 12 - Mercury At Its Greatest Western Elongation (18 Degrees)
    * Sep 12 - Moon Occults Aldebaran
    Sep 12 - Asteroid 2653 Principia Closest Approach To Earth (1.624 AU)
    Sep 12 - 25th Anniversary (1992), STS-47 Launch (Space Shuttle Endeavour, Spacelab-J)
    Sep 12 - 25th Anniversary (1992), 1st African-American Woman in Space (Mae Jemison)
    Sep 12 - 55th Anniversary (1962), John F. Kennedy's Moon Speech
    Sep 12 - Robert Farquhar's 85th Birthday (1932)
    Sep 13 - CRS-13 Falcon 9 Launch (International Space Station)
    Sep 13 - Asteroid 39566 Carllewis Closest Approach To Earth (0.829 AU)
    Sep 13 - Asteroid 28078 Mauricehilleman Closest Approach To Earth (1.136 AU)
    Sep 13 - Asteroid 11020 Orwell Closest Approach To Earth (1.838 AU)
    Sep 13 - 10th Anniversary (2007), Kaguya (Selene 1) Launch (Japan Moon Orbiter)
    Sep 13 - Horace Babcock's 105th Birthday (1912)
    Sep 14 - Apollo Asteroid 310560 (2001 QL142) Near-Earth Flyby (0.058 AU)
    Sep 14 - Asteroid 6032 Nobel Closest Approach To Earth (0.871 AU)
    Sep 14 - Asteroid 14764 Kilauea Closest Approach To Earth (1.102 AU)
    Sep 15 - Cassini, Distant Flyby of Janus, Pan, Pandora & Epimetheus
    Sep 15 - Cassini, Saturn Impact
    Sep 15 - Comet P/2016 J1-A (PANSTARRS) At Opposition (2.192 AU)
    Sep 15 - Comet P/2016 J1-B (PANSTARRS) At Opposition (2.192 AU)
    Sep 15 - Asteroid 6030 Zolensky Closest Approach To Earth (1.966 AU)
    Sep 15 - Asteroid 16522 Tell Closest Approach To Earth (2.088 AU)
    Sep 15 - 10th Anniversary (2007), Carancas Meteorite Fall in Peru (Created Crater)
    Sep 16 - International Day for the Preservation of the Ozone Layer
    Sep 16 - Mercury Passes 0.05 Degrees from Mars
    Sep 16 - Aten Asteroid 2014 RX22 Near-Earth Flyby (0.081 AU)
    Sep 16 - Asteroid 7336 Saunders Closest Approach To Earth (0.237 AU)
    Sep 17 - Comet P/2010 H2 (Vales) Perihelion (3.100 AU)
    Sep 17 - Asteroid 18458 Caesar Closest Approach To Earth (1.535 AU)
    Sep 17 - Asteroid 449 Hamburga Closest Approach To Earth (1.862 AU)
    Sep 17 - Asteroid 15614 Pillinger Closest Approach To Earth (1.910 AU)
    Sep 17 - 20th Anniversary (1997), Galileo, Callisto 10 Flyby
    Sep 17 - Petr Pravec's 50th Birthday (1967)
    Sep 17 - Konstantin Tsiolkovsky's 160th Birthday (1857)
    * Sep 18 - Moon Occults Venus
    * Sep 18 - Moon Occults Mercury
    * Sep 18 - Moon Occults Mars
    * Sep 18 - Moon Occults Regulus
    Sep 18 - Asteroid 3917 Franz Schubert Closest Approach To Earth (1.346 AU)
    Sep 18 - Asteroid 12790 Cernan Closest Approach To Earth (1.485 AU)
    Sep 18 - Asteroid 19204 Joshuatree Closest Approach To Earth (1.526 AU)
    Sep 18 - Asteroid 73079 Davidbaltimore Closest Approach To Earth (1.530 AU)
    Sep 18 - Asteroid 9523 Torino Closest Approach To Earth (1.764 AU)
    Sep 18 - Asteroid 2688 Halley Closest Approach To Earth (2.009 AU)
    Sep 18 - Asteroid 15417 Babylon Closest Approach To Earth (2.918 AU)
    Sep 18 - Edwin McMillan's 110th Birthday (1907)
    Sep 18 - Adrien-Marie Legendre's 265th Birthday (1752)
    Sep 19 - Asteroid 4444 Escher Closest Approach To Earth (1.142 AU)
    Sep 19 - Asteroid 3763 Quianxuesen Closest Approach To Earth (1.478 AU)
    Sep 19 - Asteroid 4037 Ikeya Closest Approach To Earth (1.746 AU)
    Sep 19 - Yoshio Kushida's 60th Birthday (1957)
    Sep 19 - Guy Consolmagno's 65th Birthday (1952)
    Sep 20 - Comet C/2016 N4 (MASTER) Perihelion (3.228 AU)
    Sep 20 - Apollo Asteroid 2008 CK70 Near-Earth Flyby (0.058 AU)
    Sep 20 - Asteroid 1134 Kepler Closest Approach To Earth (0.506 AU)
    Sep 20 - Asteroid 3341 Hartmann Closest Approach To Earth (1.335 AU)
    Sep 20 - Asteroid 4148 McCartney Closest Approach To Earth (1.462 AU)
    Sep 20 - Asteroid 31319 Vespucci Closest Approach To Earth (2.394 AU)
    Sep 21 - Asteroid 8626 Melissarauch Closest Approach To Earth (2.030 AU)
    Sep 21 - Asteroid 8624 Kaleycuoco Closest Approach To Earth (2.201 AU)
    Sep 21 - Asteroid 52422 LPL Closest Approach To Earth (2.631 AU)
    Sep 22 - Autumnal Equinox, 20:02 UT
    Sep 22 - Asteroid 3749 Balam (2 Moons) Closest Approach To Earth (1.311 AU)
    Sep 23 - Joint Polar Satellite System 1 (JPSS 1)/Buccaneer RMM/MiRaTA/EagleSat/CP 7 (DAVE)/Fox 1B (RadFxSat)/MakerSat 0 Delta 2 Launch
    Sep 23 - Comet C/2015 ER61 (PANSTARRS) Closest Approach To Earth (1.664 AU)
    Sep 23 - Asteroid 85185 Lederman Closest Approach To Earth (0.895 AU)
    Sep 23 - Kuiper Belt Object 2010 RE64 At Opposition (51.283 AU)
    Sep 23 - 55th Anniversary (1962), "The Jetsons" TV Debut
    Sep 24 - Comet 237P/LINEAR Closest Approach To Earth (2.208 AU)
    Sep 24 - Asteroid 13752 Grantstokes Closest Approach To Earth (1.088 AU)
    Sep 24 - Asteroid 3174 Alcock Closest Approach To Earth (1.956 AU)
    Sep 24 - Kuiper Belt Object 120347 Salacia At Opposition (43.815 AU)
    Sep 24 - 165th Anniversary (1852), Henri Giffard Makes 1st Powered and Controlled Flight
    Sep 25 - Spektr-RG Zenit-3F Launch
    Sep 25 - Comet 213P/Van Ness Perihelion (1.983 AU)
    Sep 25 - Comet 213P-B/Van Ness Perihelion (1.983 AU)
    Sep 25 - Asteroid 10797 Guatemala Closest Approach To Earth (1.539 AU)
    Sep 25 - Asteroid 2266 Tchaikovsky Closest Approach To Earth (2.195 AU)
    Sep 25 - 20th Anniversary (1997), STS-86 Launch (Space Shuttle, Atlantis, Mir
    Space Station)
    Sep 25 - 25th Anniversary (1992), Mars Observer Launch
    Sep 25-Oct 01 - Astronomy Week
    Sep 26 - Comet C/2016 Q4 (Kowalski) Closest Approach To Earth (6.117 AU)
    Sep 26 - Comet C/2016 Q4 (Kowalski) At Opposition (6.117 AU)
    Sep 26 - Apollo Asteroid 5189 (1990 UQ) Near-Earth Flyby (0.061 AU)
    Sep 26 - Amor Asteroid 3757 Anagolay Closest Approach To Earth (1.094 AU)
    Sep 26 - Harrison Brown's 100th Birthday (1917)
    Sep 27 - Dwarf Planet Ceres Occults 2UCAC 40015030 (12.2 Magnitude Star)
    * Sep 27 - Apollo Asteroid 469219 (2016 HO3) Closest Approach To Earth (0.158 AU)
    Sep 27 - Asteroid 90022 Apache Point Closest Approach To Earth (1.573 AU)
    Sep 27 - Centaur Object 2015 JH1 At Opposition (4.699 AU)
    Sep 27 - Kuiper Belt Object 308933 (2006 SQ372) At Opposition (26.842 AU)
    Sep 27 - 10th Anniversary (2007), Dawn Launch (Asteroid Orbiter Mission)
    Sep 27 - 20th Anniversary (1997), Last Transmission From Mars Pathfinder
    * Sep 28 - Comet 73P-E/Schwassmann-Wachmann Closest Approach To Earth (1.542 AU)
    Sep 28 - Asteroid 71885 Denning Closest Approach To Earth (1.273 AU)
    Sep 28 - Asteroid 15783 Briancox Closest Approach To Earth (2.027 AU)
    Sep 28 - 55th Anniversary (1962), Alouette 1 Launch (Canada's 1st Satellite) * Sep 29 - Comet 73P-H/Schwassmann-Wachmann Closest Approach To Earth (1.589 AU)
    Sep 29 - Apollo Asteroid 1989 VB Near-Earth Flyby (0.020 AU)
    Sep 29 - Asteroid 4716 Urey Closest Approach To Earth (2.339 AU)
    Sep 29 - Plutino 469372 (2001 QF298) At Opposition (42.446 AU)
    Sep 29 - 40th Anniversary (1977), Salyut 6 Space Station Launch
    Sep 29 - Asteroid 4716 Urey Closest Approach To Earth (2.339 AU)
    Sep 29 - Plutino 469372 (2001 QF298) At Opposition (42.446 AU)
    Sep 30 - Astronomy Day
    * Sep 30 - STP-2 Falcon Heavy Launch
    Sep 30 - SES-14/GOLD Falcon 9 Launch
    * Sep 30 - Comet 73P-B/Schwassmann-Wachmann Closest Approach To Earth (1.596 AU)
    * Sep 30 - Comet 73P-G/Schwassmann-Wachmann Closest Approach To Earth (1.615 AU)
    Sep 30 - Comet 73P/Schwassmann-Wachmann Closest Approach To Earth (1.619 AU) * Sep 30 - Comet 73P-C/Schwassmann-Wachmann Closest Approach To Earth (1.620 AU)
    Sep 30 - Comet 9P/Tempel Closest Approach To Earth (2.560 AU)
    Sep 30 - Aten Asteroid 2015 SO2 Near-Earth Flyby (0.066 AU)
    Sep 30 - Asteroid 6735 Madhatter Closest Approach To Earth (1.084 AU)
    Sep 30 - Asteroid 6296 Cleveland Closest Approach To Earth (1.168 AU)
    Sep 30 - Asteroid 327695 Yokoono Closest Approach To Earth (1.578 AU)

    October 2017
    Oct ?? - SAOCOM 1A/ ITASAT 1 Falcon 9 Launch
    Oct ?? - Zhang Jiaxiang's 85th Birthday (1932)
    * Oct 01 - Cygnus CRS OA-8E Antares 230 Launch (International Space Station)
    Oct 01 - NROL-52 Atlas 5 Launch
    Oct 01 - Dwarf Planet Ceres Occults TYC 1928-00279-1 (11.0 Magnitude Star)
    Oct 01 - Apollo Asteroid 2015 XE Near-Earth Flyby (0.083 AU)
    Oct 01 - Kuiper Belt Object 2015 RR245 At Opposition (62.481 AU)
    Oct 01 - 170th Anniversary (1847), Maria Mitchell Discovers Comet C/1847 T1
    Oct 02 - Comet P/2013 YG46 (Spacewatch) Closest Approach To Earth (1.679 AU)
    Oct 02 - Aten Asteroid 2004 QA22 Near-Earth Flyby (0.066 AU)
    Oct 02 - Asteroid 763 Cupido Closest Approach To Earth (0.877 AU)
    Oct 02 - Asteroid 36800 Katarinawitt Closest Approach To Earth (1.085 AU)
    Oct 02 - Asteroid 6487 Tonyspear Closest Approach To Earth (1.288 AU)
    Oct 02 - Asteroid 19620 Auckland Closest Approach To Earth (1.690 AU)
    Oct 02 - Asteroid 14965 Bonk Closest Approach To Earth (1.793 AU)
    Oct 02 - Frank Malina's 105th Birthday (1912)
    Oct 03 - Topaz 5 (NROL-47) Delta 4M Launch
    Oct 03 - Moon Occults Neptune
    Oct 03 - Asteroid 10111 Frensel Closest Approach To Earth (1.621 AU)
    Oct 03 - Asteroid 171381 Taipei Closest Approach To Earth (1.769 AU)
    Oct 03 - Binary Asteroid 90 Antiope Closest Approach To Earth (1.835 AU)
    Oct 03 - 55th Anniversary (1962), Sigma 7 Launch (Walter Schirra)
    Oct 03 - 55th Anniversary (1962), Zagami Meteorite Fall (Mars Meteorite)
    Oct 03 - 75th Anniversary (1942), 1st Successful Test Launch of the German A-4 Rocket (V-2)
    Oct 04 - Aten Asteroid 2004 TD10 Near-Earth Flyby (0.085 AU)
    Oct 04 - Apollo Asteroid 4197 Morpheus Closest Approach To Earth (0.474 AU)
    Oct 04 - Asteroid 9781 Jubjubbird Closest Approach To Earth (1.273 AU)
    Oct 04 - Christen Longomontanus' 455th Birthday (1562)
    Oct 04 - 10th Anniversary (2007), Kaguya (Selene 1) Moon Orbit Insertion,
    Oct 04 - 60th Anniversary (1957), Sputnik 1 Launch
    Oct 04-10 - World Space Week
    Oct 05 - Venus Passes 0.2 Degrees From Mars
    Oct 05 - Asteroid 17058 Rocknroll Closest Approach To Earth (1.547 AU)
    Oct 05 - Asteroid 671 Carnegia Closest Approach To Earth (2.044 AU)
    Oct 05 - European Southern Observatory's (ESO) 55th Birthday (1962)
    Oct 05 - Robert Goddard's 135th Birthday (1882)
    Oct 05 - Giorgio Abetti's 135th Birthday (1882)
    Oct 06 - Asteroid 277 Elvira Occults HIP 116323 (5.9 Magnitude Star)
    Oct 06 - Apollo Asteroid 2011 TB4 Near-Earth Flyby (0.065 AU)
    Oct 06 - Asteroid 916 America Closest Approach To Earth (0.830 AU)
    Oct 06 - Asteroid 35978 Arlington Closest Approach To Earth (1.459 AU)
    Oct 06 - Asteroid 9325 Stonehenge Closest Approach To Earth (1.552 AU)
    Oct 06 - Asteroid 15550 Sydney Closest Approach To Earth (1.672 AU)
    Oct 06 - Nevil Maskelyne's 285th Birthday (1732)
    Oct 07 - Comet P/2016 P1 (PANSTARRS) At Opposition (3.049 AU)
    Oct 07 - Asteroid 3 Juno Occults 2UCAC 27345728 (12.2 Magnitude Star)
    Oct 07 - Asteroid 293909 Matterhorn Closest Approach To Earth (1.853 AU)
    Oct 07 - Kuiper Belt Object 2008 ST291 At Opposition (59.575 AU)
    Oct 07 - 15th Anniversary (2002), STS-112 Launch (Space Shuttle Atlantis, International Space Station)
    Oct 07 - 15th Anniversary (2002), Founding of the B612 Foundation
    Oct 07 - Donald Machholz's 65th Birthday (1952)
    Oct 07 - Franz Suess' 150th Birthday (1867)
    Oct 08 - Asteroid 134346 Pinatubo Closest Approach To Earth (0.924 AU)
    Oct 08 - Asteroid 5819 Lauretta Closest Approach To Earth (1.285 AU)
    Oct 08 - Asteroid 56678 Alicewessen Closest Approach To Earth (1.740 AU)
    Oct 08 - 25th Anniversary (1992), Pioneer Venus' Burnup in Venus' Atmosphere
    Oct 09 - Draconids Meteor Shower Peak
    * Oct 09 - Moon Occults Aldebaran
    Oct 09 - Asteroid 300221 Brucebills Closest Approach To Earth (1.682 AU)
    Oct 09 - Asteroid 51825 Davidbrown Closest Approach To Earth (1.807 AU)
    Oct 09 - Asteroid 230975 Rogerfederer Closest Approach To Earth (1.881 AU)
    Oct 09 - Asteroid 15371 Steward Closest Approach To Earth (1.923 AU)
    Oct 09 - Asteroid 16046 Gregnorman Closest Approach To Earth (2.407 AU)
    Oct 09 - 25th Anniversary (1992), Peekskill Meteorite Fall (Hit Car in New York)
    Oct 09 - Yury Usachev's 60th Birthday (1957)
    * Oct 10 - Comet 73P-J/Schwassmann-Wachmann Closest Approach To Earth (1.909 AU)
    Oct 10 - Asteroid 16897 (1998 DH10) Occults HIP 20804 (5.9 Magnitude Star)
    Oct 10 - Asteroid 30857 Parsec Closest Approach To Earth (0.999 AU)
    Oct 10 - Asteroid 2001 Einstein Closest Approach To Earth (1.146 AU)
    Oct 10 - Asteroid 264020 Stuttgart Closest Approach To Earth (1.494 AU)
    Oct 10 - Asteroid 8623 Johnnygalecki Closest Approach To Earth (2.473 AU)
    Oct 10 - 50th Anniversary (1967), Enactment of the Outer Space Treaty
    Oct 10 - Michael Disney's 80th Birthday (1937)
    Oct 11 - Comet 237P/LINEAR At Opposition (2.247 AU)
    Oct 11 - Apollo Asteroid 2014 DQ Near-Earth Flyby (0.075 AU)
    Oct 11 - Apollo Asteroid 2007 DM41 Near-Earth Flyby (0.090 AU)
    Oct 11 - Asteroid 8208 Volta Closest Approach To Earth (1.275 AU)
    Oct 11 - Asteroid 432971 Loving Closest Approach To Earth (1.552 AU)
    Oct 11 - Kuiper Belt Object 303775 (2005 QU182) At Opposition (51.333 AU)
    Oct 11 - 160th Anniversary (1857), Ohaba Meteorite Fall (Fell in Fruit Garden
    in Romania)
    Oct 12 - Progress MS-7 Soyuz-2.1a Launch (International Space Station 68P)
    Oct 12 - Apollo Asteroid 2012 TC4 Near-Earth Flyby (0.0009 AU)
    Oct 12 - Apollo Asteroid 11500 Tomaiyowit Closest Approach To Earth (0.421 AU)
    Oct 12 - Apollo Asteroid 4183 Cuno Closest Approach To Earth (1.473 AU)
    Oct 12 - Jake Garn's 85th Birthday (1932)
    Oct 13 - Apollo Asteroid 2014 UR116 Near-Earth Flyby (0.072 AU)
    Oct 13 - Atira Asteroid 1998 DK36 Closest Approach To Earth (1.262 AU)
    Oct 13 - Asteroid 5256 Farquhar Closest Approach To Earth (1.366 AU)
    Oct 13 - Asteroid 6135 Billowen Closest Approach To Earth (1.768 AU)
    Oct 13 - Kuiper Belt Object 19308 (1996 TO66) At Opposition (46.380 AU)
    Oct 14 - Aten Asteroid 2005 TE49 Near-Earth Flyby (0.011 AU)
    Oct 14 - Apollo Asteroid 2016 UO41 Near-Earth Flyby (0.056 AU)
    Oct 14 - Asteroid 14061 Nagincox Closest Approach To Earth (1.130 AU)
    Oct 14 - Asteroid 7328 Casanova Closest Approach To Earth (1.199 AU)
    Oct 14 - Asteroid 12574 LONEOS Closest Approach To Earth (1.638 AU)
    Oct 14 - Asteroid 9725 Wainscoat Closest Approach To Earth (1.671 AU)
    Oct 14 - Asteroid 1618 Dawn Closest Approach To Earth (1.883 AU)
    Oct 14 - 70th Anniversary (1947), Chuck Yeager Breaks Sound Barrier
    * Oct 15 - Moon Occults Regulus
    Oct 15 - Comet 9P/Tempel At Opposition (2.591 AU)
    Oct 15 - Apollo Asteroid 2013 UM9 Near-Earth Flyby (0.039 AU)
    Oct 15 - Apollo Asteroid 2012 EN5 Near-Earth Flyby (0.090 AU)
    Oct 15 - Asteroid 136 Austria Closest Approach To Earth (1.206 AU)
    Oct 15 - Asteroid 32096 Puckett Closest Approach To Earth (1.394 AU)
    Oct 15 - Asteroid 5720 Halweaver Closest Approach To Earth (1.528 AU
    Oct 15 - 20th Anniversary (1997), Cassini Launch (Saturn Orbiter)
    Oct 15 - 45th Anniversary (1972), Valera Meteorite Fall (Hit Cow in Venezuela)
    Oct 16 - Progress MS-8 Soyuz-2.1a Launch (International Space Station 69P)
    Oct 16 - Asteroid 224 Oceana Closest Approach To Earth (1.681 AU)
    Oct 16 - Asteroid 294727 Dennisritchie Closest Approach To Earth (2.223 AU)
    * Oct 17 - Moon Occults Asteroid 21 Lutetia
    Oct 17 - Comet 340P/Boattini Closest Approach To Earth (2.496 AU)
    * Oct 17 - Comet 65P/Gunn Perihelion (2.910 AU)
    Oct 17 - Amor Asteroid 2011 PT Near-Earth Flyby (0.058 AU)
    Oct 17 - Asteroid 4511 Rembrandt Closest Approach To Earth (1.361 AU)
    Oct 17 - Asteroid 7554 Johnspencer Closest Approach To Earth (2.759 AU)
    Oct 17 - Dwarf Planet 136199 Eris At Opposition (95.195 AU)
    Oct 17 - 5th Anniversary (2012), Novato Meteorite Fall in California (Hit House)
    Oct 18 - 50th Anniversary (1967), Venera 4, Venus Landing
    Oct 18 - Mercury Passes 1.0 Degrees from Jupiter
    Oct 18 - Comet P/2016 P2 (PANSTARRS) At Opposition (3.490 AU)
    Oct 18 - Aten Asteroid 2006 TU7 Near-Earth Flyby (0.048 AU)
    Oct 18 - Kuiper Belt Object 202421 (2005 UQ513) At Opposition (47.230 AU)
    Oct 18 - 40th Anniversary (1977), Charles Kowal's Discovery of Chiron
    Oct 18 - Pascual Jordan's 115th Birthday (1902)
    Oct 18 - 120th Anniversary (1897), Delhi Meteorite Fall in India
    Oct 18 - Carl Kiess' 130th Birthday (1887)
    Oct 18 - 170th Anniversary (1847), John Hind's Discovery of Asteroid 8 Flora
    Oct 19 - 50th Anniversary (1967), Mariner 5, Venus Flyby
    Oct 19 - Uranus At Opposition
    Oct 19 - Asteroid 8489 Boulder Closest Approach To Earth (2.432 AU)
    Oct 20 - Comet 337P/WISE Closest Approach To Earth (2.766 AU)
    Oct 20 - Aten Asteroid 2014 UR Near-Earth Flyby (0.064 AU)
    Oct 20 - Asteroid 11836 Eileen Closest Approach To Earth (0.778 AU)
    Oct 20 - Asteroid 4446 Carolyn Closest Approach To Earth (2.678 AU)
    Oct 20 - Christopher Wren's 385th Birthday (1632)
    Oct 21 - Orionids Meteor Shower Peak
    Oct 21 - Comet P/2013 YG46 (Spacewatch) At Opposition (1.728 AU)
    Oct 21 - Asteroid 69263 Big Ben Closest Approach To Earth (1.152 AU)
    Oct 21 - Asteroid 1584 Fuji Closest Approach To Earth (1.621 AU)
    Oct 21 - Asteroid 30439 Moe Closest Approach To Earth (1.657 AU)
    Oct 21 - Asteroid 5661 Hildebrand Closest Approach To Earth (2.606 AU)
    Oct 21 - Yerkes Observatory's 120th Birthday (1897)
    Oct 22 - Dwarf Planet Ceres Occults TYC 1943-00104-1 (12.1 Magnitude Star)
    Oct 22 - Apollo Asteroid 171576 (1999 VP11) Near-Earth Flyby (0.015 AU)
    Oct 22 - Apollo Asteroid 2010 VT11 Near-Earth Flyby (0.089 AU)
    Oct 22 - Asteroid 4701 Milani Closest Approach To Earth (1.333 AU)
    Oct 22 - Asteroid 227 Philosophia Closest Approach To Earth (2.730 AU)
    Oct 22 - Kuiper Belt Object 308379 (2005 RS43) At Opposition (42.562 AU)
    Oct 22 - 25th Anniversary (1992), STS-52 Launch (Space Shuttle Columbia, LAGEOS II)
    Oct 23 - Apollo Asteroid 2008 GH110 Near-Earth Flyby (0.087 AU)
    Oct 23 - Asteroid 8992 Magnanimity Closest Approach To Earth (1.190 AU)
    Oct 23 - Aten Asteroid 3362 Khufu Closest Approach To Earth (1.281 AU)
    Oct 23 - Asteroid 13606 Bean Closest Approach To Earth (1.593 AU)
    Oct 23 - Asteroid 15092 Beegees Closest Approach To Earth (2.018 AU)
    Oct 23 - Centaur Object 2015 KJ153 At Opposition (4.876 AU)
    Oct 23 - Neptune Trojan 2011 SO277 At Opposition (29.507 AU)
    Oct 23 - 10th Anniversary (2007), STS-120 Launch (Space Shuttle Discovery, International Space Station)
    Oct 24 - Comet C/2016 U1 (NEOWISE) At Opposition (3.658 AU)
    Oct 24 - Aten Asteroid 2016 GK135 Near-Earth Flyby (0.077 AU)
    Oct 24 - Aten Asteroid 2008 TC4 Near-Earth Flyby (0.086 AU)
    Oct 24 - Asteroid 7041 Nantucket Closest Approach To Earth (0.959 AU)
    Oct 24 - Asteroid 3905 Doppler Closest Approach To Earth (1.067 AU)
    Oct 24 - Asteroid 7644 Cslewis Closest Approach To Earth (1.288 AU)
    Oct 24 - Apollo Asteroid 2201 Oljato Closest Approach To Earth (2.063 AU)
    Oct 24 - Asteroid 10379 Lake Placid Closest Approach To Earth (2.593 AU)
    Oct 25 - Aten Asteroid 2013 UR5 Near-Earth Flyby (0.085 AU)
    Oct 25 - Asteroid 9766 Bradbury Closest Approach To Earth (1.414 AU)
    Oct 25 - Asteroid 4547 Massachusetts Closest Approach To Earth (1.465 AU)
    Oct 25 - Asteroid 2039 Payne-Gaposchkin Closest Approach To Earth (2.267 AU)
    Oct 25 - Kuiper Belt Object 55636 (2002 TX300) At Opposition (41.567 AU)
    Oct 25 - Henry Russell's 140th Birthday (1877)
    Oct 26 - Comet 340P/Boattini At Opposition (2.507 AU)
    Oct 26 - Asteroid 4416 Ramses Closest Approach To Earth (0.813 AU)
    Oct 26 - Asteroid 5725 Nordlingen Closest Approach To Earth (1.737 AU)
    Oct 26 - Asteroid 7100 Martin Luther Closest Approach To Earth (1.806 AU)
    Oct 26 - Asteroid 4772 Frankdrake Closest Approach To Earth (1.951 AU)
    Oct 26 - Asteroid 8721 AMOS Closest Approach To Earth (2.825 AU)
    Oct 26 - Gaetano Crocco's 140th Birthday (1877)
    * Oct 27 - Comet 73P-E/Schwassmann-Wachmann At Opposition (1.654 AU)
    Oct 27 - Asteroid 1336 Zeelandia Occults HIP 36152 (6.5 Magnitude Star)
    Oct 27 - Asteroid 3414 Champollion Closest Approach To Earth (1.054 AU)
    Oct 27 - Asteroid 2999 Dante Closest Approach To Earth (1.231 AU)
    Oct 27 - Asteroid 7028 Tachikawa Closest Approach To Earth (1.793 AU)
    Oct 27 - Asteroid 30440 Larry Closest Approach To Earth (2.509 AU)
    Oct 27 - Neptune Trojan 2001 QR322 At Opposition (29.099 AU)
    * Oct 28 - Comet 73P-H/Schwassmann-Wachmann At Opposition (1.696 AU)
    * Oct 28 - Comet 73P-B/Schwassmann-Wachmann At Opposition (1.702 AU)
    Oct 28 - Asteroid 12773 Lyman Closest Approach To Earth (1.492 AU)
    Oct 28 - Apollo Asteroid 29075 (1950 DA) Closest Approach To Earth (1.577 AU)
    Oct 28 - 80th Anniversary (1937), Karl Reinmuth's Discovery of Asteroid 69230
    Hermes
    Oct 29 - European Summer Time Ends - Set Clock Back 1 Hour (European Union)
    * Oct 29 - Comet 73P-G/Schwassmann-Wachmann Closest Approach To Earth (1.724 AU)
    Oct 29 - Comet 73P/Schwassmann-Wachmann At Opposition (1.727 AU)
    * Oct 29 - Comet 73P-C/Schwassmann-Wachmann At Opposition (1.728 AU)
    Oct 29 - Asteroid 73520 Boslough Closest Approach To Earth (1.274 AU)
    Oct 29 - Apollo Asteroid 161989 Cacus Closest Approach To Earth (1.274 AU)
    Oct 29 - Asteroid 17627 Humptydumpty Closest Approach To Earth (1.959 AU)
    Oct 29 - Apollo Asteroid 2212 Hephaistos Closest Approach To Earth (2.646 AU)
    Oct 29 - Centaur Object 49036 Pelion At Opposition (19.848 AU)
    Oct 29 - Centaur Object 20461 Dioretsa At Opposition (28.552 AU)
    Oct 29 - Kuiper Belt Object 15760 (1992 QB1) At Opposition (40.320 AU)
    * Oct 30 - Moon Occults Neptune
    Oct 30 - Aten Asteroid 3753 Cruithne Closest Approach To Earth (0.526 AU)
    Oct 30 - Asteroid 4337 Arecibo Closest Approach To Earth (2.564 AU)
    Oct 30 - Neptune Trojan 2014 QO441 At Opposition (32.300 AU)
    Oct 30 - Kuiper Belt Object 42301 (2001 UR163) At Opposition (51.765 AU)
    Oct 31 - Comet P/2016 G1 (PANSTARRS) Closest Approach To Earth (1.492 AU)
    Oct 31 - Comet 123P/West-Hartley At Opposition (2.739 AU)
    Oct 31 - Apollo Asteroid 2003 UV11 Near-Earth Flyby (0.038 AU)
    Oct 31 - Asteroid 3783 Morris Closest Approach To Earth (1.177 AU)
    Oct 31 - Asteroid 10958 Mont Blanc Closest Approach To Earth (1.315 AU)
    Oct 31 - Asteroid 316020 Linshuhow Closest Approach To Earth (1.532 AU)
    Oct 31 - Asteroid 32605 Lucy Closest Approach To Earth (2.450 AU)

    November 2017
    * Nov ?? - Crew Dragon Demo 1 Falcon 9 Launch (Unmanned)
    * Nov ?? - Chang'e 5 CZ-5 Launch (China Lunar Sample Return Mission)
    Nov ?? - Dragon v.2 1 (SpX-DM1) Falcon 9 Launch
    Nov ?? - Sentinel 3B Rokot-KM Launch
    * Nov ?? - Galileo 19-22 Ariane 5 Launch
    Nov 01 - Comet 219P/LINEAR Closest Approach To Earth (1.883 AU)
    Nov 01 - Asteroid 46610 Besixdouz Closest Approach To Earth (0.883 AU)
    Nov 01 - Asteroid 8003 Kelvin Closest Approach To Earth (1.019 AU)
    Nov 01 - Asteroid 1677 Tycho Brahe Closest Approach To Earth (1.643 AU)
    Nov 01 - Plutino 47171 (1999 TC36) At Opposition (29.598 AU)
    Nov 02 - 100th Anniversary (1917), Mount Wilson 100-inch Telescope First Light
    Nov 02 - Apollo Asteroid 1989 UP Near-Earth Flyby (0.055 AU)
    Nov 02 - Aten Asteroid 2009 UZ87 Near-Earth Flyby (0.068 AU)
    Nov 02 - Asteroid 85197 Ginkgo Closest Approach To Earth (0.872 AU)
    Nov 02 - Asteroid 2597 Arthur Closest Approach To Earth (1.542 AU)
    Nov 02 - Asteroid 3767 DiMaggio Closest Approach To Earth (1.979 AU)
    Nov 02 - Kuiper Belt Object 2014 UM33 At Opposition (42.855 AU)
    Nov 02 - 15th Anniversary (2002), Stardust, Asteroid 5535 Annefrank Flyby
    Nov 02 - 70th Anniversary (1947), Howard Hughes Flies the Spruce Goose
    Nov 03 - Taurids Meteor Shower Peak
    * Nov 03 - Comet 73P-J/Schwassmann-Wachmann At Opposition (1.990 AU)
    Nov 03 - Apollo Asteroid 2015 WA2 Near-Earth Flyby (0.093 AU)
    Nov 03 - Asteroid 22824 von Neumann Closest Approach To Earth (1.062 AU)
    Nov 03 - Asteroid 1655 Comas Sola Closest Approach To Earth (1.248 AU)
    Nov 03 - Asteroid 3192 A'Hearn Closest Approach To Earth (1.472 AU)
    Nov 03 - Asteroid 31664 Randiiwessen Closest Approach To Earth (1.713 AU)
    Nov 03 - Asteroid 3524 Schulz Closest Approach To Earth (1.722 AU)
    Nov 03 - Asteroid 4768 Hartley Closest Approach To Earth (1.804 AU)
    Nov 03 - Apollo Asteroid 4486 Mithra Closest Approach To Earth (2.285 AU)
    Nov 03 - Asteroid 5515 Naderi Closest Approach To Earth (2.289 AU)
    Nov 03 - Kuiper Belt Object 120348 (2004 TY364) At Opposition (38.116 AU)
    Nov 03 - 60th Anniversary (1957), Sputnik 2 Launch (Laika Dog)
    Nov 04 - Comet 337P/WISE At Opposition (2.798 AU)
    Nov 04 - Aten Asteroid 365424 (2010 KX7) Near-Earth Flyby (0.096 AU)
    Nov 04 - Asteroid 3430 Bradfield Closest Approach To Earth (1.713 AU)
    Nov 04 - Asteroid 3975 Verdi Closest Approach To Earth (1.802 AU)
    Nov 05 - Daylight Saving - Set Clock Back 1 Hour (United States)
    Nov 05 - Comet P/2014 E1 (Larson) At Opposition (4.292 AU)
    Nov 05 - Asteroid 1065 Amundsenia Closest Approach To Earth (1.198 AU)
    Nov 05 - Plutino 144897 (2004 UX10) At Opposition (38.267 AU)
    Nov 05 - Kuiper Belt Object 2014 UZ224 At Opposition (90.202 AU)
    Nov 05 - 10th Anniversary (2007), Chang'e 1, Moon Orbit Insertion
    Nov 05 - 15th Anniversary (2002), Galileo, Amalthea 34 Flyby
    Nov 05 - John Alcock's 125th Birthday (1893)
    Nov 06 - Moon Occults Aldebaran
    Nov 06 - Apollo Asteroid 2004 GD Near-Earth Flyby (0.068 AU)
    Nov 06 - Apollo Asteroid 1865 Cerberus Closest Approach To Earth (0.397 AU)
    Nov 06 - Aten Asteroid 2340 Hathor Closest Approach To Earth (0.503 AU)
    Nov 06 - Asteroid 8621 Jimparsons Closest Approach To Earth (2.223 AU)
    Nov 06 - Neptune Trojan 2006 RJ103 At Opposition (29.260 AU)
    Nov 06 - Kuiper Belt Object 55637 (2002 UX25) At Opposition (39.623 AU)
    Nov 06 - Kuiper Belt Object 84522 (2002 TC302) At Opposition (43.644 AU)
    Nov 06 - 20th Anniverary (1997), Galileo, Europa 11 Flyby
    Nov 07 - 50th Anniversary (1967), Surveyor 6 Launch (Moon Lander)
    Nov 07 - Asteroid 5049 Sherlock Closest Approach To Earth (0.928 AU)
    Nov 07 - Asteroid 4825 Ventura Closest Approach To Earth (0.948 AU)
    Nov 07 - Asteroid 991 McDonalda Closest Approach To Earth (2.093 AU)
    Nov 07 - 525th Anniversary (1492), Ensisheim Meteorite Fall in Austria
    Nov 08 - Comet 183P/Korlevic-Juric Perihelion (3.879 AU)
    Nov 08 - Asteroid 6560 Pravdo Closest Approach To Earth (1.616 AU)
    Nov 08 - Asteroid 469 Argentina Closest Approach To Earth (2.560 AU)
    Nov 08 - 25th Anniversary (1992), Geotail, 3rd Moon Flyby
    Nov 08 - 35th Anniversary (1982), Wethersfield Meteorite Fall (Hit House)
    Nov 08 - Margaret Rhea Seddon's 70th Birthday (1947)
    Nov 08 - Ben Bova's 85th Birthday (1932)
    Nov 09 - SBIRS GEO-4 Atlas 5 Launch
    Nov 09 - Comet P/2016 G1 (PANSTARRS) At Opposition (1.503 AU)
    Nov 09 - Asteroid 5392 Parker Closest Approach To Earth (1.512 AU)
    Nov 09 - Apollo Asteroid 6239 Minos Closest Approach To Earth (1.666 AU)
    Nov 09 - Asteroid 3202 Graff Closest Approach To Earth (2.739 AU)
    Nov 09 - 50th Anniversary (1967), 1st Saturn V Launch (Apollo 4)
    Nov 10 - ICESAT 2/ELFIN/IT-SPINS/CHEFsat Delta-7420-10C Launch
    Nov 10 - Asteroid 207563 Toscana Closest Approach To Earth (1.983 AU)
    Nov 10 - Asteroid 10792 Ecuador Closest Approach To Earth (2.013 AU)
    Nov 10 - Asteroid 19482 Harperlee Closest Approach To Earth (2.595 AU)
    * Nov 11 - Moon Occults Regulus
    Nov 11 - Apollo Asteroid 2005 XB1 Near-Earth Flyby (0.096 AU)
    Nov 11 - Asteroid 3173 McNaught Closest Approach To Earth (1.344 AU)
    Nov 11 - Asteroid 22521 ZZ Top Closest Approach To Earth (1.517 AU)
    Nov 11 - Asteroid 8990 Compassion Closest Approach To Earth (2.428 AU)
    Nov 11 - 35th Anniversary (1982), STS-5 Launch (Space Shuttle Columbia)
    Nov 11 - 445th Anniversary (1572), Tycho Brahe's Observation of SN1572
    Nov 12 - Comet C/2015 ER61 (PANSTARRS) At Opposition (1.905 AU)
    Nov 12 - Comet 123P/West-Hartley Closest Approach To Earth (2.717 AU)
    * Nov 12 - Atira Asteroid 2014 FO47 Closest Approach To Earth (0.419 AU)
    Nov 12 - Asteroid 18235 Lynden-Bell Closest Approach To Earth (1.901 AU)
    Nov 12 - Richard Truly's 80th Birthday (1937)
    Nov 13 - Venus Passes 0.3 Degrees from Jupiter
    Nov 13 - Comet 219P/LINEAR At Opposition (1.902 AU)
    * Nov 13 - Comet C/2017 C2 (PANSTARRS) At Opposition (3.096 AU)
    Nov 13 - Apollo Asteroid 326354 (2000 SJ344) Near-Earth Flyby (0.073 AU)
    Nov 13 - Asteroid 4589 McDowell Closest Approach To Earth (1.194 AU)
    Nov 13 - Asteroid 2873 Binzel Closest Approach To Earth (1.540 AU)
    Nov 13 - Asteroid 144296 Steviewonder Closest Approach To Earth (1.682 AU)
    Nov 13 - 10th Anniversary (2007), Rosetta, 2nd Earth Flyby
    * Nov 14 - Moon Occults Asteroid 21 Lutetia
    Nov 15 - Asteroid 3154 Grant Closest Approach To Earth (1.573 AU)
    Nov 15 - Asteroid 19535 Rowanatkinson Closest Approach To Earth (1.612 AU)
    Nov 15 - Asteroid 228029 MANIAC Closest Approach To Earth (1.813 AU)
    Nov 15 - Kuiper Belt Object 2012 VP113 At Opposition (82.656 AU)
    * Nov 16 - Moon Occults Asteroid 4 Vesta
    Nov 16 - Comet 24P/Schaumasse Perihelion (1.208 AU)
    Nov 16 - Apollo Asteroid 2000 UO30 Near-Earth Flyby (0.074 AU)
    Nov 16 - Apollo Asteroid 2013 TK69 Near-Earth Flyby (0.082 AU)
    Nov 16 - Asteroid 23638 Nagano Closest Approach To Earth (1.300 AU)
    Nov 16 - Asteroid 24997 Petergabriel Closest Approach To Earth (1.418 AU)
    Nov 16 - Asteroid 1288 Santa Closest Approach To Earth (1.809 AU)
    Nov 16 - Asteroid 2919 Dali Closest Approach To Earth (2.421 AU)
    Nov 16 - 40th Anniversary (1977), "Close Encounters of the Third Kind" Released
    Nov 16 - 165th Anniversary (1852), Hermann Goldschmidt's Discovery of Asteroid 21 Lutetia
    Nov 16 - Jean le Rond d'Alembert's 300th Birthday (1717)
    Nov 17 - Cygnus CRS-9 (OA-9) Antares 230 Launch
    Nov 17 - 50th Anniversary (1967), 1st Successful Lift-Off from Lunar Surface (Surveyor 6)
    Nov 17 - Leonids Meteor Shower Peak
    Nov 17 - Apollo Asteroid 444584 (2006 UK) Near-Earth Flyby (0.022 AU)
    Nov 17 - Neptune Trojan 2007 VL305 At Opposition (27.240 AU)
    Nov 17 - Plutino 2003 UZ413 At Opposition (42.874 AU)
    Nov 17 - Henry Gellibrand's 420th Birthday (1597)
    Nov 18 - Asteroid 1640 Nemo Closest Approach To Earth (0.946 AU)
    Nov 18 - Asteroid 4922 Leshin Closest Approach To Earth (1.204 AU)
    Nov 18 - Asteroid 484 Pittsburghia Closest Approach To Earth (1.727 AU)
    Nov 18 - Asteroid 4356 Marathon Closest Approach To Earth (2.269 AU)
    Nov 18 - Neptune Trojan 2011 WG157 At Opposition (29.819 AU)
    Nov 18 - Kuiper Belt Object 2010 VK201 At Opposition (47.069 AU)
    Nov 18 - Louis Daguerre's 230th Birthday (1787)
    Nov 19 - Asteroid 63163 Jerusalem Closest Approach To Earth (1.319 AU)
    Nov 19 - Asteroid 184011 Andypuckett Closest Approach To Earth (1.675 AU)
    Nov 19 - Plutino 84719 (2002 VR128) At Opposition (38.566 AU)
    Nov 19 - Kuiper Belt Object 90377 Sedna At Opposition (84.262 AU)
    Nov 19 - 20th Anniversary (1997), STS-87 Launch (Space Shuttle Columbia)
    Nov 19 - Eleanor Helin's 85th Birthday (1932)
    Nov 19 - Keith Runcorn's 95th Birthday (1922)
    Nov 20 - Mars Summer Solstice
    Nov 20 - Comet 54P/de Vico-Swift-NEAT Closest Approach To Earth (1.746 AU)
    Nov 20 - Comet 236P/LINEAR Perihelion (1.837 AU)
    Nov 20 - Asteroid 9387 Tweeddledee Closest Approach To Earth (0.944 AU)
    Nov 20 - Asteroid 2579 Spartacus Closest Approach To Earth (1.384 AU)
    Nov 20 - Asteroid 5450 Sokrates Closest Approach To Earth (1.581 AU)
    Nov 20 - Asteroid 8630 Billprady Closest Approach To Earth (1.619 AU)
    Nov 20 - Asteroid 6154 Stevesynnott Closest Approach To Earth (1.700 AU)
    Nov 20 - Apollo Asteroid 3671 Dionysus Closest Approach To Earth (1.781 AU)
    Nov 20 - Asteroid 54439 Topeka Closest Approach To Earth (2.089 AU)
    Nov 20 - Otto von Guericke's 415th Birthday (1602)
    Nov 21 - Aten Asteroid 234145 (2000 EW70) Near-Earth Flyby (0.086 AU)
    Nov 21 - Apollo Asteroid 163696 (2003 EB50) Near-Earth Flyby (0.094 AU)
    Nov 21 - Asteroid 84225 Verish Closest Approach To Earth (1.152 AU)
    Nov 21 - Asteroid 16155 Buddy Closest Approach To Earth (1.369 AU)
    Nov 21 - Asteroid 342843 Davidbowie Closest Approach To Earth (1.620 AU)
    Nov 21 - Asteroid 2985 Shakespeare Closest Approach To Earth (1.897 AU)
    Nov 21 - Asteroid 4442 Garcia Closest Approach To Earth (2.501 AU)
    Nov 22 - Aten Asteroid 2016 LO1 Near-Earth Flyby (0.097 AU)
    Nov 22 - Asteroid 8444 Popovich Closest Approach To Earth (1.129 AU)
    Nov 22 - Asteroid 2228 Soyuz-Apollo Closest Approach To Earth (1.576 AU)
    Nov 22 - Asteroid 118945 Rikhill Closest Approach To Earth (2.288 AU)
    Nov 22 - Alan Stern's 60th Birthday (1957)
    Nov 22 - Vladimir Damgov's 70th Birthday (1947)
    Nov 22 - Guy Bluford's 75th Birthday (1942)
    Nov 22 - 110th Anniverseary (1907), Meteorite Fall in Bali, Central African Republic
    Nov 23 - Comet C/2016 A1 (PANSTARRS) Perihelion (5.329 AU)
    Nov 23 - Aten Asteroid 2009 BL71 Near-Earth Flyby (0.079 AU)
    Nov 23 - Asteroid 35977 Lexington Closest Approach To Earth (1.228 AU)
    Nov 23 - Asteroid 11714 Mikebrown Closest Approach To Earth (1.818 AU)
    Nov 23 - Centaur Object 54598 Bienor At Opposition (13.867 AU)
    Nov 23 - 15th Anniversary (2002), STS-113 Launch (Space Shuttle Endeavour, International Space Station)
    Nov 23 - 40th Anniversary (1977), Meteosat 1 Launch (Europe's 1st Weather Satellite)
    Nov 24 - Mercury At Its Greatest Eastern Elongation (22 Degrees)
    Nov 24 - Asteroid 5451 Plato Closest Approach To Earth (1.870 AU)
    Nov 24 - Asteroid 12490 Leiden Closest Approach To Earth (2.546 AU)
    Nov 25 - Apollo Asteroid 3361 Orpheus Near-Earth Flyby (0.061 AU)
    Nov 25 - Asteroid 3043 San Diego Closest Approach To Earth (0.933 AU)
    Nov 25 - Asteroid 5020 Asimov Closest Approach To Earth (1.171 AU)
    Nov 25 - Asteroid 2246 Bowell Closest Approach To Earth (3.108 AU)
    * Nov 26 - Comet 73P-AF/Schwassmann-Wachmann At Opposition (3.165 AU)
    Nov 26 - Asteroid 335 Roberta Occults HIP 18724 (3.4 Magnitude Star)
    Nov 26 - Asteroid 7645 Pons Closest Approach To Earth (1.075 AU)
    Nov 26 - Asteroid 9253 Oberth Closest Approach To Earth (1.357 AU11)
    Nov 26 - Asteroid 3297 Hong Kong Closest Approach To Earth (1.642 AU)
    Nov 26 - Asteroid 10957 Alps Closest Approach To Earth (1.674 AU)
    Nov 26 - Asteroid 214476 Stephencolbert Closest Approach To Earth (2.311 AU)
    Nov 26 - Boris Yegorov's 80th Birthday (1937)
    * Nov 27 - Moon Occults Neptune
    Nov 27 - Asteroid 3635 Kreutz Closest Approach To Earth (0.728 AU)
    Nov 27 - Asteroid 9777 Enterprise Closest Approach To Earth (1.741 AU)
    Nov 27 - Asteroid 7919 Prime Closest Approach To Earth (1.814 AU)
    Nov 27 - Asteroid 204852 Frankfurt Closest Approach To Earth (1.859 AU)
    Nov 27 - Asteroid 7758 Poulanderson Closest Approach To Earth (1.879 AU)
    Nov 27 - Jim Wetherbee's 65th Birthday (1952)
    Nov 28 - 50th Anniversary (1967), Discovery of 1st Pulsar by Jocelyn Bell & Antony Hewish
    Nov 28 - Mercury Passes 3.0 Degrees From Saturn
    * Nov 28 - Apollo Asteroid 11066 Sigurd Closest Approach To Earth (0.808 AU)
    Nov 28 - Asteroid 11947 Kimclijsters Closest Approach To Earth (2.369 AU)
    Nov 28 - Kuiper Belt Object 386723 (2009 YE7) At Opposition (49.823 AU)
    Nov 28 - 15th Anniversary (2002), Alsat 1 Launch (1st Algerian Satellite)
    Nov 29 - 50th Anniversary (1967), Wresat 1 Launch (Australia's 1st Satellite)

    Nov 29 - Aten Asteroid 2010 VD139 Near-Earth Flyby (0.013 AU)
    Nov 29 - Apollo Asteroid 1863 Antinous Closest Approach To Earth (2.692 AU)
    Nov 29 - Kuiper Belt Object 145453 (2005 RR43) At Opposition (38.580 AU)
    Nov 30 - Soyuz MS-7 Soyuz-FG Launch (International Space Station 53S)
    Nov 30 - Apollo Asteroid 2013 EC20 Closest Approach To Earth (1.681 AU)
    Nov 30 - Asteroid 242516 Lindseystirling Closest Approach To Earth (1.864 AU)
    Nov 30 - Asteroid 310 Margarita Closest Approach To Earth (1.948 AU)
    Nov 30 - Asteroid 1345 Potomac Closest Approach To Earth (2.460 AU)
    Nov 30 - Asteroid 41488 Sinbad Closeset Approach To Earth (2.462 AU)

    December 2017
    Dec ?? - Nauka/ERA Proton-M P4 Launch (International Space Station 03R)
    Dec ?? - Crew Space Transportation 100 (CST-100) Atlas 5 Launch (Unmanned)
    Dec ?? - ADM-Aeolus (Earth Explorer 4) Vega Launch
    Dec ?? - INCA/ALBus/CACTUS 1/ExoCube 2/MicroMAS 2b/MiTEE 1/Q-PACE/SurfSat/
    CAPE 3/RadFxSat 2 (Fox 1E)/PICS 1 & 2 LauncherOne Launch
    Dec ?? - Amazonia (SSR-1) Equars VLS-1 Launch
    Dec 01 - Asteroid 721 Tabora Occults HIP 98688 (4.5 Magnitude Star)
    Dec 01 - Kuiper Belt Object 2006 QH181 At Opposition (82.823 AU)
    Dec 02 - Comet 14P/Wolf Perihelion (2.741 AU)
    Dec 02 - Asteroid 6775 Giorgini Closest Approach To Earth (2.110 AU)
    Dec 02 - Kuiper Belt Object 229762 (2007 UK126) At Opposition (41.558 AU)
    Dec 02 - 25th Anniversary (1992), STS-53 Launch (Space Shuttle Discovery, DOD)
    Dec 03 - Super Moon
    Dec 03 - Moon Occults Aldebaran
    Dec 03 - Comet 345P/LINEAR Closest Approach To Earth (2.813)
    Dec 03 - Apollo Asteroid 2008 WM61 Near-Earth Flyby (0.010 AU)
    Dec 03 - Asteroid 3313 Mendel Closest Approach To Earth (2.016 AU)
    Dec 03 - Asteroid 12284 Pohl Closest Approach To Earth (2.752 AU)
    Dec 03 - Howard Brewington's 65th Birthday (1952)
    Dec 03 - 100th Anniversary (1917), Strathmore Meteorite Fall (Hit House in Scotland)
    Dec 04 - Comet 90P/Gehrels Closest Approach To Earth (2.246 AU)
    Dec 05 - Comet 54P/de Vico-Swift-NEAT At Opposition (1.776 AU)
    Dec 05 - Asteroid 5263 Arrius Occults HIP 17049 (6.7 Magnitude Star)
    Dec 05 - Aten Asteroid 2010 TK7 (Earth Trojan) Closest Approach To Earth (0.202 AU)
    Dec 05 - Asteroid 3869 Norton Closest Approach To Earth (1.588 AU)
    Dec 05 - Kuiper Belt Object 145451 (2005 RM43) At Opposition (35.741 AU)
    Dec 05 - Mark Showalter's 60th Birthday (1957)
    Dec 05 - Sheldon Glashow's 85th Birthday (1932)
    Dec 06 - Mercury Passes 1.3 Degrees from Saturn
    Dec 07 - Asteroid 2621 Goto Occults HIP 35842 (6.2 Magnitude Star)
    Dec 07 - Asteroid 2198 Ceplecha Closest Approach To Earth (1.159 AU)
    Dec 07 - Asteroid 6434 Jewitt Closest Approach To Earth (1.360 AU)
    Dec 07 - Asteroid 14220 Alexgibbs Closest Approach To Earth (2.112 AU)
    Dec 07 - 45th Anniversary (1972), Apollo 17 Launch (Last Manned Mission to the Moon)
    * Dec 08 - Moon Occults Regulus
    Dec 08 - Comet C/2016 R2 (PANSTARRS) At Opposition (2.094 AU)
    Dec 08 - Apollo Asteroid 4450 Pan Closest Approach To Earth (1.275 AU)
    Dec 08 - Centaur Object 8405 Asbolus At Opposition (20.229 AU)
    Dec 08 - Alphonse Borrelly's 175th Birthday (1842)
    Dec 08 - 25th Anniversary (1992), Galileo, 2nd Earth Flyby
    Dec 09 - Comet P/2016 R4 (Gibbs) At Opposition (3.311 AU)
    Dec 10 - Comet 345P/LINEAR At Opposition (2.820 AU)
    Dec 10 - Asteroid 4525 Johnbauer Occults HIP 14821 (6.1 Magnitude Star)
    Dec 10 - Asteroid 18610 Arthurdent Closest Approach To Earth (1.053 AU)
    Dec 10 - Apollo Asteroid 136617 (1994 CC) (2 Moons) Closest Approach To Earth
    (1.747 AU)
    Dec 10 - Asteroid 1002 Olbersia Closest Approach To Earth (1.861 AU)
    Dec 10 - 25th Anniversary (1992), Mihonoseki Meteorite Fall (Fell Through Roof Of A House In Japan)
    Dec 10 - 40th Anniversary (1977), Soyuz 26 Launch (Salyut 6 Space Station)
    Dec 11 - Comet 139P/Vaisala-Oterma Perihelion (3.409 AU)
    Dec 11 - Asteroid 2451 Dollfus Closest Approach To Earth (2.067 AU)
    Dec 11 - Kuiper Belt Object 2004 XR190 At Opposition (56.305 AU)
    Dec 11 - 5th Anniversary (2012), X-37B OTV-1 F-2 Atlas 5 Launch
    Dec 12 - 50th Anniversary (1967), Pioneer 8 Launch (Solar Orbiter)
    Dec 12 - Asteroid 17768 Tigerlily Closest Approach To Earth (1.783 AU)
    Dec 12 - Asteroid 8353 Megryan Closest Approach To Earth (2.141 AU)
    Dec 12 - Plutino 84922 (2003 VS2) At Opposition (35.664 AU)
    Dec 12 - Plutino 307463 (2002 VU130) At Opposition (39.187 AU)
    Dec 12 - 145th Anniversary (1872), Banbury Meteorite Fall (Hit Wall in England)
    Dec 13 - Geminids Meteor Shower Peak
    Dec 13 - Aten Asteroid 2015 YA Near-Earth Flyby (0.061 AU)
    Dec 13 - Apollo Asteroid 2009 QL8 Near-Earth Flyby (0.088 AU)
    Dec 13 - Asteroid 6223 Dahl Closest Approach To Earth (1.624 AU)
    Dec 13 - Asteroid 1762 Russell Closest Approach To Earth (1.734 AU)
    Dec 13 - 5th Anniversary (2012), Chang'E 2 Flyby of Asteroid 4179 Toutatis
    Dec 13 - 20th Anniversary (1997), Vissannapeta Meteorite Fall (Hit House in India)
    Dec 13 - 45 Years (1972) Since Man Has Walked on the Moon (Apollo 17)
    Dec 13 - Kristian Birkeland's 150th Birthday (1867)
    * Dec 14 - Moon Occults Asteroid 4 Vesta
    Dec 14 - Comet 90P/Gehrels At Opposition (2.259 AU)
    Dec 14 - Aten Asteroid 2015 XX169 Near-Earth Flyby (0.025 AU)
    Dec 14 - Asteroid 5841 Stone Closest Approach To Earth (0.934 AU)
    Dec 14 - Asteroid 1373 Cincinnati Closest Approach To Earth (1.638 AU)
    Dec 14 - 55th Anniversary (1962), Mariner 2, Venus Flyby
    Dec 14 - 210th Anniversary (1807), Weston Meteorite Fall (Hit Building in Connecticut)
    Dec 15 - Mercury Passes 2.2 Degrees From Venus
    Dec 15 - Aten Asteroid 2014 BA3 Closest Approach To Earth (1.745 AU)
    Dec 15 - Asteroid 118401 LINEAR Closest Approach To Earth (1.884 AU)
    Dec 15 - Kuiper Belt Object 19521 Chaos At Opposition (40.358 AU)
    Dec 15 - Henri Becquerel's 165th Birthday (1852)
    Dec 15 - 405th Anniversary (1612), 1st Observation of the Andromeda Galaxy Through a Telescope (Simon Marius)
    Dec 16 - Arthur C. Clarke's 100th Birthday (1917)
    Dec 16 - Bangabandhu-1 Falcon 9 Launch
    Dec 16 - Comet 176P/LINEAR Closest Approach To Earth (1.885 AU)
    Dec 16 - Apollo Asteroid 3200 Phaethon Near-Earth Flyby (0.069 AU)
    Dec 16 - Asteroid 46977 Krakow Closest Approach To Earth (1.214 AU)
    Dec 16 - Asteroid 215423 Winnecke Closest Approach To Earth (1.467 AU)
    Dec 16 - Asteroid 34419 Corning Closest Approach To Earth (1.911 AU)
    Dec 16 - 20th Anniversary (1997), Galileo, Europa 12 Flyby
    Dec 16 - 55th Anniversary (1962), Explorer 16 Launch (1st Meteroids Mission)
    Dec 16 - 105th Anniversary (1912), 1st Stamp Issued Depicting an Airplane
    Dec 16 - Edward Barnard's 160th Birthday (1857)
    Dec 17 - Asteroid 9998 ISO Closest Approach To Earth (1.096 AU)
    Dec 17 - Asteroid 12426 Racquetball Closest Approach To Earth (1.262 AU)
    Dec 17 - Asteroid 13123 Tyson Closest Approach To Earth (1.731 AU)
    Dec 17 - Centaur Object 154783 (2004 PA44) At Opposition (19.718 AU)
    Dec 17 - 5th Anniversary (2012), GRAIL, Moon Impacts
    Dec 17 - Theodore Dunham's 120th Birthday (1897)
    Dec 18 - Comet P/2010 D1 (WISE) Perihelion (2.683 AU)
    Dec 18 - Comet C/2017 A3 (Elenin) Closest Approach To Earth (3.739 AU)
    Dec 18 - Comet C/2015 V1 (PANSTARRS) Perihelion (4.265 AU)
    Dec 18 - Asteroid 12608 Aesop Closest Approach To Earth (1.212 AU)
    Dec 18 - Asteroid 780 Armenia Closest Approach To Earth (2.148 AU)
    Dec 18 - Asteroid 54522 Menaechmus Closest Approach To Earth (2.259 AU)
    Dec 19 - Asteroid 4149 Harrison Occults HIP 29509 (6.5 Magnitude Star)
    Dec 19 - Apollo Asteroid 2006 XY Near-Earth Flyby (0.015 AU)
    Dec 19 - Aten Asteroid 2011 YD29 Near-Earth Flyby (0.049 AU)
    Dec 19 - Apollo Asteroid 2015 GF1 Near-Earth Flyby (0.073 AU)
    Dec 19 - Asteroid 67085 Oppenheimer Closest Approach To Earth (0.973 AU)
    Dec 19 - Asteroid 20 Massalia Closest Approach To Earth (1.093 AU)
    Dec 19 - Asteroid 10001 Palermo Closest Approach To Earth (1.189 AU)
    Dec 19 - Asteroid 1816 Liberia Closest Approach To Earth (1.200 AU)
    Dec 19 - Asteroid 27320 Vellinga Closest Approach To Earth (1.617 AU)
    Dec 19 - Asteroid 30826 Coulomb Closest Approach To Earth (1.649 AU)
    Dec 19 - Albert Michelson's 165th Birthday (1852)
    Dec 20 - Comet C/2016 X1 (Lemmon) At Opposition (7.200 AU)
    Dec 20 - Asteroid 31 Euphrosyne Closest Approach To Earth (1.601 AU)
    Dec 20 - Asteroid 11094 Cuba Closest Approach To Earth (2.614 AU)
    Dec 20 - 15th Anniversary (2002), Nozomi, Earth Flyby
    Dec 21 - Winter Solstice, 16:28 UT
    Dec 21 - Comet 188P/LINEAR-Mueller Closest Approach To Earth (2.317 AU)
    Dec 21 - Asteroid 12759 Joule Closest Approach To Earth (2.127 AU)
    Dec 21 - Plutino 55638 (2002 VE95) At Opposition (28.811 AU)
    Dec 22 - Ursids Meteor Shower Peak
    Dec 22 - Comet 176P/LINEAR At Opposition (1.891 AU)
    Dec 22 - Comet P/2009 S2 (McNaught) Perihelion (2.214 AU)
    Dec 22 - Apollo Asteroid 418849 (2008 WM64) Near-Earth Flyby (0.039 AU)
    Dec 22 - Apollo Asteroid 2015 YQ1 Near-Earth Flyby (0.044 AU)
    Dec 22 - Apollo Asteroid 2015 HU9 Near-Earth Flyby (0.098 AU)
    Dec 22 - Asteroid 8256 Shenzhou Closest Approach To Earth (0.736 AU)
    Dec 22 - Asteroid 246247 Sheldoncooper Closest Approach To Earth (1.779 AU)
    Dec 22 - Kuiper Belt Object 78799 (2002 XW93) At Opposition (44.607 AU)
    Dec 23 - Comet C/2016 R2 (PANSTARRS) Closest Approach To Earth (2.054 AU)
    Dec 23 - Asteroid 13667 Samthurman Closest Approach To Earth (1.169 AU)
    Dec 23 - Asteroid 5050 Doctorwatson Closest Approach To Earth (1.219 AU)
    Dec 23 - Amor Asteroid 1580 Betulia Closest Approach To Earth (1.580 AU)
    Dec 23 - Karol Bokbo's 80th Birthday (1937)
    Dec 23 - 345th Anniversary (1672), Giovanni Cassini's Discovery of Saturn Moon Rhea
    Dec 24 - Asteroid 263251 Pandabear Closest Approach To Earth (1.322 AU)
    Dec 24 - Asteroid 116939 Jonstewart Closest Approach To Earth (1.680 AU)
    Dec 25 - Venus Passes 1.1 Degrees From Saturn
    Dec 25 - Apollo Asteroid 2015 AF45 Near-Earth Flyby (0.077 AU)
    Dec 25 - Aten Asteroid 2016 YA1 Near-Earth Flyby (0.080 AU)
    Dec 25 - Asteroid 4690 Strasbourg Closest Approach To Earth (0.826 AU)
    Dec 25 - Asteroid 1381 Danubia Closest Approach To Earth (1.343 AU)
    Dec 25 - Asteroid 1554 Yugoslavia Closest Approach To Earth (1.759 AU)
    Dec 25 - Plutino 2002 XV93 At Opposition (37.786 AU)
    Dec 26 - Comet 341P/Gibbs At Opposition (3.245 AU)
    * Dec 26 - Comet C/2015 XY1 (Lemmon) At Opposition (6.985 AU)
    Dec 26 - Aten Asteroid 2007 AG Near-Earth Flyby (0.058 AU)
    Dec 26 - Asteroid 3989 Odin Closest Approach To Earth (1.134 AU)
    Dec 26 - Asteroid 8625 Simonhelberg Closest Approach To Earth (1.542 AU)
    Dec 26 - Asteroid 8720 Takamizawa Closest Approach To Earth (2.444 AU)
    Dec 26 - Asteroid 334 Chicago Closest Approach To Earth (3.000 AU)
    Dec 27 - Comet C/2016 X1 (Lemmon) Closest Approach To Earth (7.192 AU)
    * Dec 27 - Comet C/2015 XY1 (Lemmon) Closest Approach (6.984 AU)
    Dec 27 - Asteroid 4149 Harrison Closest Approach To Earth (1.943 AU)
    Dec 27 - Asteroid 5029 Ireland Closest Approach To Earth (2.039 AU)
    Dec 27 - Asteroid 35350 Lespaul Closest Approach To Earth (2.601 AU)
    Dec 28 - HHTA PSLV Launch (Moon Lander)
    Dec 28 - Asteroid 2409 Chapman Closest Approach To Earth (1.387 AU)
    Dec 28 - Asteroid 44597 Thoreau Closest Approach To Earth (1.397 AU)
    Dec 28 - Arthur Eddington's 135th Birthday (1882)
    Dec 29 - Apollo Asteroid 2014 RJ11 Near-Earth Flyby (0.083 AU)
    Dec 29 - Apollo Asteroid 2009 EO2 Near-Earth Flyby (0.090 AU)
    Dec 29 - Apollo Asteroid 140158 (2001 SX169) Near-Earth Flyby (0.090 AU)
    Dec 29 - Asteroid 8622 Mayimbialik Closest Approach To Earth (2.272 AU)
    Dec 29 - 40th Anniversary (1977), Discovery of ALHA 77005 Meteorite (Mars Meteorite)
    Dec 29 - 240th Anniversary (1777), Captain James Cook Observes Solar Eclipse
    Dec 30 - Comet C/2017 A3 (Elenin) At Opposition (3.768 AU)
    Dec 30 - Comet C/2015 X5 (PANSTARRS) Perihelion (6.803 AU)
    Dec 30 - Aten Asteroid 2015 SY Near-Earth Flyby (0.069 AU)
    Dec 30 - Amor Asteroid 4055 Magellan Closest Approach To Earth (2.156 AU)
    Dec 30 - Asteroid 7755 Haute-Provence Closest Approach To Earth (2.364 AU)
    Dec 30 - Asteroid 1712 Angola Closest Approach To Earth (2.646 AU)
    Dec 31 - Koreasat 5A (Mugungwha 5A) Falcon 9 Launch
    * Dec 31 - Moon Occults Aldebaran
    Dec 31 - Comet 288P Closest Approach To Earth (2.060 AU)
    Dec 31 - Atira Asteroid 2008 UL90 Closest Approach To Earth (0.857 AU)
    Dec 31 - Asteroid 3473 Sapporo Closest Approach To Earth (1.346 AU)
    Dec 31 - Asteroid 10204 Turing Closest Approach To Earth (1.613 AU)
    Dec 31 - Asteroid 1217 Maximiliana Closest Approach To Earth (1.641 AU)
    Dec 31 - Asteroid 1282 Utopia Closest Approach To Earth (1.923 AU)
    Dec 31 - 10th Anniversary (2007), Deep Impact (EPOXI), 1st Earth Flyby

    January 2018
    Jan 01 - Mercury At Its Greatest Western Elongation (23 Degrees)
    Jan 01 - Asteroid 5899 Jedicke Closest Approach To Earth (0.881 AU)
    Jan 01 - Asteroid 1197 Rhodesia Closest Approach To Earth (1.635 AU)
    Jan 01 - Asteroid 7707 Yes Closest Approach To Earth (1.799 AU)
    Jan 01 - Asteroid 11911 Angel Closest Approach To Earth (2.174 AU)
    Jan 02 - Supermoon
    Jan 02 - Aten Asteroid 2015 RT1 Near-Earth Flyby (0.050 AU)
    Jan 02 - Asteroid 1103 Sequoia Closest Approach To Earth (1.043 AU)
    Jan 02 - Asteroid 5053 Chladni Closest Approach To Earth (1.229 AU)
    Jan 02 - Asteroid 3263 Bligh Closest Approach To Earth (1.274 AU)
    Jan 02 - Asteroid 904 Rockefellia Closest Approach To Earth (1.804 AU)
    Jan 02 - Asteroid 787 Moskva Closest Approach To Earth (1.888 AU)
    Jan 02 - Kuiper Belt Object 2014 WP509 At Opposition (41.569 AU)
    Jan 03 - Earth At Perihelion (0.983 AU From Sun)
    Jan 03 - Quadrantids Meteor Shower Peak
    Jan 03 - Comet 188P/LINEAR-Mueller At Opposition (2.340 AU)
    Jan 03 - Comet 347P/PANSTARRS Closest Approach To Earth (2.674 AU)
    Jan 03 - Asteroid 1031 Arctica Closest Approach To Earth (2.036 AU)
    Jan 04 - Comet 338P/McNaught Closest Approach To Earth (2.648 AU)
    Jan 04 - Asteroid 2062 Aten Closest Approach To Earth (0.981 AU)
    Jan 04 - Asteroid 19695 Billnye Closest Approach To Earth (1.357 AU)
    Jan 04 - Asteroid 9446 Cicero Closest Approach To Earth (2.551 AU)
    Jan 04 - Isaac Newton's 375th Birthday (1643)
    Jan 05 - Moon Occults Regulus
    * Jan 05 - Comet C/2015 X5 (PANSTARRS) Closest Approach To Earth (5.909 AU)
    * Jan 05 - Comet C/2015 X5 (PANSTARRS) At Opposition (5.909 AU)
    Jan 05 - Apollo Asteroid 12711 Tukmit Closest Approach To Earth (0.624 AU)
    Jan 05 - Asteroid 76272 De Jong Closest Approach To Earth (1.136 AU)
    Jan 05 - Asteroid 26715 South Dakota Closest Approach To Earth (1.514 AU)
    Jan 05 - Asteroid 631 Philippina Closeset Approach To Earth (1.684 AU)
    Jan 05 - Asteroid 8952 ODAS Closest Approach To Earth (1.751 AU)
    Jan 05 - Asteroid 129564 Christy Closest Approach To Earth (1.933 AU)
    Jan 05 - Asteroid 9250 Chamberlin Closest Approach To Earth (2.621 AU)
    Jan 05 - Harold Gatty's 115th Birthday (1903)
    Jan 06 - Comet 288P At Opposition (2.066 AU)
    Jan 06 - Aten Asteroid 2015 YG Near-Earth Flyby (0.094 AU)
    Jan 06 - Asteroid 3953 Perth Closest Approach To Earth (1.309 AU)
    Jan 06 - Asteroid 3265 Fletcher Closest Approach To Earth (1.441 AU)
    Jan 06 - Asteroid 6984 Lewiscarroll Closest Approach To Earth (2.316 AU)
    Jan 06 - 20th Anniversary (1998), Lunar Prospector Launch (Moon Orbiter)
    Jan 06 - 50th Anniversary (1968), Surveyor 7 Launch (Moon Lander)
    Jan 07 - Mars Passes 0.2 Degrees From Jupiter
    Jan 07 - Aten Asteroid 2013 AT72 Near-Earth Flyby (0.085 AU)
    Jan 07 - Asteroid 5608 Olmos Closest Approach To Earth (1.781 AU)
    Jan 07 - Asteroid 9340 Williamholden Closest Approach To Earth (2.604 AU)
    Jan 07 - Kuiper Belt Object 230965 (2004 XA192) At Opposition (34.608 AU)
    Jan 08 - Asteroid 2398 Jilin Closest Approach To Earth (0.852 AU)
    Jan 08 - Asteroid 1740 Paavo Nurmi Closest Approach To Earth (1.462 AU)
    Jan 08 - Asteroid 243097 Batavia Closest Approach To Earth (1.792 AU)
    Jan 08 - Asteroid 6758 Jesseowens Closest Approach To Earth (1.897 AU)
    Jan 08 - Asteroid 2483 Guinevere Closest Approach To Earth (2.020 AU)
    Jan 08 - 45th Anniversary (1973), Luna 21 Launch (USSR Moon Rover Mission - Lunokhod 2)
    Jan 08 - Sir Frank Dyson's 150th Birthday (1868)
    Jan 09 - Comet 128P-A/Shoemaker-Holt Closest Approach To Earth (2.361 AU)
    Jan 09 - Comet 343P/NEAT-LONEOS Closest Approach To Earth (2.643 AU)
    Jan 09 - Asteroid 2614 Torrence Closest Approach To Earth (1.615 AU)
    Jan 09 - Asteroid 6790 Pingouin Closest Approach To Earth (1.860 AU)
    Jan 09 - 225th Anniversary (1793), 1st Successful Balloon Flight in the Americas (Jean Pierre Blanchard)
    Jan 09 - 375th Anniversary (1643), 1st Observation of Ashen Light of Venus (Giovanni Riccioli)
    Jan 10 - Aten Asteroid 2004 FH Near-Earth Flyby (0.052 AU)
    Jan 10 - Apollo Asteroid 1620 Geographos Closest Approach To Earth (1.410 AU)
    Jan 10 - Asteroid 295565 Hannover Closest Approach To Earth (1.682 AU)
    Jan 10 - Apollo Asteroid 3360 Syrinx Closest Approach To Earth (3.240 AU)
    Jan 10 - Joachim Muehler's 105th Birthday (1908)
    Jan 11 - Asteroid 6000 United Nations Closest Approach To Earth (1.741 AU)
    Jan 11 - Asteroid 67 Asia Closest Approach To Earth (1.865 AU)
    Jan 11 - Asteroid 11881 Mirstation Closest Approach To Earth (1.983 AU)
    Jan 11 - Asteroid 35165 Quebec Closest Approach To Earth (2.288 AU)
    * Jan 12 - Moon Occults Asteroid 4 Vesta
    Jan 12 - Comet 57P/du Toit-Neujmin-Delporte At Opposition (4.076 AU)
    Jan 12 - Comet 57P-A/du Toit-Neujmin-Delporte At Opposition (4.076 AU)
    Jan 12 - Asteroid 7470 Jabberwock Closest Approach To Earth (1.352 AU)
    Jan 12 - Apollo Asteroid 25143 Itokawa Closest Approach To Earth (1.421 AU)
    Jan 12 - Asteroid 4923 Clarke Closest Approach To Earth (1.598 AU)
    Jan 12 - Asteroid 1489 Attila Clsoest Approach To Earth (2.026 AU)
    Jan 13 - Asteroid 4125 Lew Allen Closest Approach To Earth (1.169 AU)
    Jan 13 - Asteroid 3001 Michelangelo Closest Approach To Earth (1.243 AU)
    Jan 13 - Asteroid 2200 Pasadena Closest Approach To Earth (1.364 AU)
    Jan 13 - Asteroid 2867 Steins Closest Approach To Earth (1.731 AU)
    Jan 13 - 25th Anniversary (1993), STS-54 Launch (Space Shuttle Endeavour, TDRS-F)
    Jan 14 - Comet 347P/PANSTARRS At Opposition (2.693 AU)
    Jan 14 - Asteroid 12927 Pinocchio Closest Approach To Earth (1.257 AU)
    Jan 14 - Asteroid 736 Harvard Closest Approach To Earth (1.472 AU)
    Jan 14 - Asteroid 342431 Hilo Closest Approach To Earth (1.731 AU)
    Jan 14 - Asteroid 21811 Burroughs Closest Approach To Earth (1.863 AU)
    Jan 14 - Asteroid 6042 Chesirecat Closest Approach To Earth (2.002 AU)
    Jan 14 - Asteroid 793 Arizona Closest Approach To Earth (2.074 AU)
    Jan 14 - 10th Anniversary (2008), MESSENGER, 1st Mercury Flyby
    Jan 14 - Shannon Lucid's 75th Birthday (1943)
    Jan 15 - Aten Asteroid 2007 WM3 Near-Earth Flyby (0.098 AU)
    Jan 15 - Asteroid 2912 Lapalma Closest Approach To Earth (1.246 AU)
    Jan 15 - Apollo Asteroid 3838 Epona Closest Approach To Earth (1.266 AU)
    Jan 15 - Asteroid 12524 Conscience Closest Approach To Earth (1.654 AU)
    Jan 15 - Asteroid 159814 Saguaro Closest Approach To Earth (2.234 AU)
    Jan 15 - 45th Anniversary (1973), Luna 21 Moon Landing (USSR Moon Rover Mission - Lunokhod 2)
    Jan 16 - Apollo Asteroid 438017 (2003 YO3) Near-Earth Flyby (0.071 AU)
    Jan 16 - Asteroid 9951 Tyrannosaurus Closest Approach To Earth (1.738 AU)
    Jan 16 - Asteroid 7169 Linda Closest Approach To Earth (1.825 AU)
    Jan 16 - Anatoly Solovyev's 70th Birthday (1948)
    Jan 17 - Comet 128P-A/Shoemaker-Holt At Opposition (2.370 AU)
    Jan 17 - Comet C/2016 A1 (PANSTARRS) Closest Approach To Earth (4.397 AU)
    Jan 17 - Asteroid 4352 Kyoto Closest Approach To Earth (1.494 AU)
    Jan 17 - Asteroid 2041 Lancelot Closest Approach To Earth (1.889 AU)
    Jan 17 - Asteroid 8080 Intel Closest Approach To Earth (2.057 AU)
    Jan 17 - Asteroid 17078 Sellers Closest Approach To Earth (2.209 AU)
    Jan 18 - Comet P/2011 S1 (Gibbs) Closest Approach To Earth (6.726 AU)
    Jan 18 - Asteroid 8627 Kunalnayyar Closest Approach To Earth (1.869 AU)
    Jan 18 - Jeffrey Williams' 60th Birthday (1958)
    Jan 19 - Comet 238P/Read Closest Approach To Earth (2.243 AU)
    Jan 19 - Comet P/1998 VS24 (LINEAR) Perihelion (3.433 AU)
    Jan 19 - Comet C/2016 A1 (PANSTARRS) At Opposition (4.398 AU)
    Jan 19 - Asteroid 43844 Rowling Closest Approach To Earth (1.978 AU)
    Jan 19 - Harold Reitsema's 70th Birthday (1948)
    Jan 20 - Comet P/1999 XN120 (Catalina) Closest Approach To Earth (2.457 AU)
    Jan 20 - Comet 338P/McNaught At Opposition (2.680 AU)
    Jan 20 - Apollo Asteroid 2015 NJ3 Near-Earth Flyby (0.056 AU)
    Jan 20 - Asteroid 2322 Kitt Peak Closest Approach To Earth (1.313 AU)
    Jan 20 - Asteroid 15845 Bambi Closest Approach To Earth (1.464 AU)
    Jan 20 - Apollo Asteroid 2011 MD Closest Approach To Earth (1.975 AU)
    Jan 20 - Jerry Ross' 70th Birthday (1948)
    Jan 20 - Simon Marius' 445th Birthday (1573)
    Jan 21 - Comet P/2011 S1 (Gibbs) At Opposition (6.727 AU)
    Jan 21 - Apollo Asteroid 2015 XK351 Near-Earth Flyby (0.073 AU)
    Jan 21 - Asteroid 10168 Stony Ridge Closest Approach To Earth (1.707 AU)
    Jan 21 - Asteroid 24750 Ohm Closest Approach To Earth (1.760 AU)
    Jan 21 - Asteroid 23469 Neilpeart Closest Approach To Earth (1.921 AU)
    Jan 21 - Apollo Asteroid 314082 Dryope Closest Approach To Earth (1.940 AU)
    Jan 21 - Kuiper Belt Object 20000 Varuna At Opposition (42.904 AU)
    Jan 21 - Bengt Stromgren's 110th Birthday (1908)
    Jan 21 - Luis Cruls' 170th Birthday (1848)
    Jan 22 - Aten Asteroid 306383 (1993 VD) Near-Earth Flyby (0.037 AU)
    Jan 22 - Amor Asteroid 2006 AL4 Near-Earth Flyby (0.055 AU)
    Jan 22 - Asteroid 2843 Yeti Closest Approach To Earth (1.057 AU)
    Jan 22 - Asteroid 6216 San Jose Closest Approach To Earth (1.635 AU)
    Jan 22 - Asteroid 7000 Curie Closest Approach To Earth (1.720 AU)
    Jan 22 - Asteroid 6128 Lasorda Closest Approach To Earth (2.093 AU)
    Jan 22 - Asteroid 12542 Laver Closest Approach To Earth (2.603 AU)
    Jan 22 - 20th Anniversary (1998), STS-89 Launch (Space Shuttle Endeavour, Mir
    Space Station)
    Jan 22 - 50th Anniversary (1968), Apollo 5 Launch
    Jan 22 - Lev Landau's 110th Birthday (1908)
    Jan 24 - Comet 74P/Smirnova-Chernykh Perihelion (3.539 AU)
    Jan 24 - Asteroid 9879 Mammuthus Closest Approach To Earth (1.846 AU)
    Jan 24 - Centaur Object 32532 Thereus At Opposition (11.761 AU)
    Jan 24 - Plutino 208996 (2003 AZ84) At Opposition (43.608 AU)
    Jan 24 - Ernst Heinkel's 130th Birthday (1888)
    Jan 25 - Asteroid 7850 Buenos Aires Closest Approach To Earth (1.505 AU)
    Jan 25 - Asteroid 19019 Sunflower Closest Approach To Earth (1.637 AU)
    Jan 25 - Asteroid 1913 Sekanina Closest Approach To Earth (1.890 AU)
    Jan 25 - Asteroid 25000 Astrometria Closest Approach To Earth (1.921 AU)
    Jan 25 - Asteroid 84784 Bettiepage Closest Approach To Earth (2.122 AU)
    Jan 25 - 35th Anniversary (1983), IRAS Launch
    Jan 26 - Comet 238P/Read At Opposition (2.250 AU)
    Jan 26 - Comet 343P/NEAT-LONEOS At Opposition (2.685 AU)
    Jan 26 - Aten Asteroid 2011 CD66 Near-Earth Flyby (0.080 AU)
    Jan 26 - Asteroid 1140 Crimea Closest Approach To Earth (1.883 AU)
    Jan 26 - Asteroid 2636 Lassell Closest Approach To Earth (2.154 AU)
    Jan 26 - 40th Anniversary (1978), IUE Launch
    Jan 26 - Leo Goldberg's 105th Birthday (1913)
    * Jan 27 - Moon Occults Aldebaran
    Jan 27 - Asteroid 9619 Terrygilliam Closest Approach To Earth (1.852 AU)
    Jan 27 - Asteroid 2866 Hardy Closest Approach To Earth (2.379 AU)
    Jan 27 - Apollo Asteroid 6489 Golevka Closest Approach To Earth (2.662 AU)
    Jan 27 - Antonin Mrkos' 100th Birthday (1918)
    Jan 28 - Comet P/1999 XN120 (Catalina) At Opposition (2.456 AU)
    Jan 28 - Comet C/2016 Q4 (Kowalski) Perihelion (7.084 AU)
    Jan 28 - Apollo Asteroid 410777 (2009 FD) Closest Approach To Earth (1.214 AU)
    Jan 28 - Asteroid 4628 Laplace Closest Approach To Earth (1.417 AU)
    Jan 28 - Asteroid 4999 MPC Closest Approach To Earth (1.918 AU)
    * Jan 28 - Amor Asteroid 4957 Brucemurray Closest Approach To Earth (2.008 AU)
    Jan 28 - James Watson's 180th Birthday (1838)
    Jan 28 - Giovanni Borelli's 410th Birthday (1608)
    Jan 29 - Comet C/2016 T3 (PANSTARRS) Closest Approach To Earth (2.193 AU)
    Jan 29 - Atira Asteroid 2006 WE4 Closest Approach To Earth (0.106 AU)
    Jan 29 - Asteroid 9965 GNU Closest Approach To Earth (1.568 AU)
    Jan 30 - Comet 18D/Perrine-Mrkos Closest Approach To Earth (2.472 AU)
    Jan 30 - Comet 128P-B/Shoemaker-Holt Closest Approach To Earth (2.691 AU)
    Jan 30 - Asteroid 3353 Jarvis Closest Approach To Earth (1.118 AU)
    Jan 30 - Asteroid 6470 Aldrin Closest Approach To Earth (1.325 AU)
    Jan 30 - Asteroid 9618 Johncleese Closest Approach To Earth (1.651 AU)
    Jan 30 - Asteroid 19148 Alaska Closest Approach To Earth (1.829 AU)
    Jan 30 - Asteroid 3487 Edgeworth Closest Approach To Earth (2.103 AU)
    Jan 30 - Robert Jedicke's 55th Birthday (1963)
    Jan 30 - 150th Anniversary (1868), Pultusk Meteorite Shower (Hit Houses)
    Jan 31 - Total Lunar Eclipse
    Jan 31 - Supermoon
    Jan 31 - Aten Asteroid 2003 CA4 Near-Earth Flyby (0.054 AU)
    * Jan 31 - Aten Asteroid 2017 BB30 Near-Earth Flyby (0.098 AU)
    Jan 31 - Asteroid 64070 NEAT Closest Approach To Earth (1.440 AU)
    Jan 31 - Asteroid 2281 Biela Closest Approach To Earth (1.519 AU)
    Jan 31 - Asteroid 1631 Kopff Closest Approach To Earth (1.698 AU)
    Jan 31 - Asteroid 60186 Las Cruces Closest Approach To Earth (1.733 AU)
    Jan 31 - Asteroid 2956 Yeomans Closest Approach To Earth (1.838 AU)
    Jan 31 - 60th Anniversary (1958), Explorer 1 Launch (1st US Satellite)

    February 2018
    * Feb ?? - CRS-14 Falcon 9 Launch
    * Feb 01 - 15th Anniversary (2003), Space Shuttle Columbia Disaster
    * Feb 01 - Moon Occults Regulus
    * Feb 01 - Comet 344P/Read Closest Approach To Earth (2.992 AU)
    * Feb 01 - Asteroid 3837 Carr Closest Approach To Earth (1.581 AU)
    * Feb 01 - Dwarf Planet Ceres Closest Approach To Earth (1.602 AU)
    * Feb 01 - Asteroid 4252 Godwin Closest Approach To Earth (1.685 AU)
    * Feb 01 - Asteroid 4103 Chahine Closest Approach To Earth (1.848 AU)
    * Feb 01 - 15th Anniversary (2003), Hiroshima Meteorite Fall (Hit Warehouse in Japan)
    * Feb 02 - HTV-7 H-2B Launch
    * Feb 02 - Apollo Asteroid 2002 CB19 Near-Earth Flyby (0.026 AU)
    * Feb 03 - Comet 323P/SOHO At Opposition (3.544 AU)
    * Feb 03 - Asteroid 3255 Tholen Closest Approach To Earth (1.059 AU)
    * Feb 03 - Asteroid 3264 Bounty Closest Approach To Earth (1.779 AU)
    * Feb 03 - Asteroid 12818 Tomhanks Closest Approach To Earth (1.920 AU)
    * Feb 03 - Asteroid 1000 Piazzia Closest Approach To Earth (2.410 AU)
    * Feb 03 - Alan Rubin's 65th Birthday (1953)
    * Feb 04 - Apollo Asteroid 276033 (2002 AJ129) Near-Earth Flyby (0.028 AU)
    * Feb 04 - Asteroid 9341 Gracekelly Closest Approach To Earth (1.789 AU)
    * Feb 04 - Asteroid 1940 Whipple Closest Approach To Earth (1.955 AU)
    * Feb 05 - Asteroid 3306 Byron Closest Approach To Earth (1.514 AU)
    * Feb 05 - Asteroid 8553 Bradsmith Closest Approach To Earth (1.520 AU)
    * Feb 05 - Asteroid 19034 Santorini Closest Approach To Earth (2.802 AU)
    * Feb 05 - Asteroid 37452 Spirit Closest Approach To Earth (2.934 AU)
    * Feb 05 - 55th Anniversary (1963), 1st Quasar Redshift Measurement (Maarten Schmidt)
    * Feb 05 - 175th Anniversary (1843), Great Comet of 1843 Discovered
    * Feb 06 - Comet 311P/PANSTARRS Closest Approach To Earth (1.122 AU)
    * Feb 06 - Asteroid 7359 Messier Closest Approach To Earth (2.149 AU)
    * Feb 06 - 130th Anniversary (1888), Williamina Fleming's Discovery of the Horsehead Nebula
    * Feb 06 - Thomas David Anderson's 165th Birthday (1853)
    * Feb 07 - Comet 245P/WISE Perihelion (2.153 AU)
    * Feb 07 - Comet 128P-B/Shoemaker-Holt At Opposition (2.702 AU)
    * Feb 07 - Apollo Asteroid 2014 SR339 Near-Earth Flyby (0.054 AU)
    * Feb 07 - Asteroid 71000 Hughdowns Closest Approach To Earth (1.600 AU)
    * Feb 07 - 10th Anniversary (2008), STS-122 Launch (Space Shuttle Atlantis, International Space Station)
    * Feb 07 - Nicolas Sarrabat's 320th Birthday (1698)
    * Feb 08 - Asteroid 378214 Sauron Closest Approach To Earth (0.705 AU)
    * Feb 08 - 15th Anniversary (2003), Brett Gladman, et al's Discovery of Jupiter
    Moon Herse
    * Feb 08 - Hiroki Kosai's 85th Birthday (1933)
    * Feb 08 - Jules Verne's 190th Birthday (1828)
    * Feb 09 - Moon Occults Asteroid 4 Vesta
    * Feb 09 - Apollo Asteroid 2015 BN509 Near-Earth Flyby (0.033 AU)
    * Feb 09 - Asteroid 13801 Kohlhase Closest Approach To Earth (1.614 AU)
    * Feb 09 - Asteroid 274300 UNESCO Closest Approach To Earth (1.761 AU)
    * Feb 09 - 105th Anniversary (1913), Great Meteor Procession of 1913
    * Feb 10 - Comet 311P/PANSTARRS At Opposition (1.125 AU)
    * Feb 10 - Aten Asteroid 2015 FV118 Near-Earth Flyby (0.093 AU)
    * Feb 10 - Asteroid 249519 Whitneyclavin Closest Approach To Earth (1.740 AU)
    * Feb 10 - Asteroid 8889 Mockturtle Closest Approach To Earth (2.227 AU)
    * Feb 10 - Apollo Asteroid 14827 Hypnos Closest Approach To Earth (3.384 AU)
    * Feb 10 - 20th Anniversary (1998), Galileo, Europa 13 Flyby
    * Feb 10 - 60th Anniversary (1958), Radar Bounced Off Venus by MIT
    * Feb 11 - Aten Asteroid 2014 WQ202 Near-Earth Flyby (0.038 AU)
    * Feb 11 - Apollo Asteroid 1991 VG Near-Earth Flyby (0.047 AU)
    * Feb 11 - Apollo Asteroid 2016 WQ3 Near-Earth Flyby (0.095 AU)
    * Feb 11 - Asteroid 7853 Confucius Closest Approach To Earth (1.392 AU)
    * Feb 11 - Asteroid 58671 Diplodocus Closest Approach To Earth (1.732 AU)
    * Feb 11 - Asteroid 301 Bavaria Closest Approach To Earth (1.842 AU)
    * Feb 11 - Asteroid 6824 Mallory Closest Approach To Earth (2.198 AU)
    * Feb 11 - Asteroid 4321 Zero Closest Approach To Earth (2.443 AU)
    * Feb 12 - Comet 344P/Read At Opposition (3.010 AU)
    * Feb 12 - Comet P/2010 J5 (McNaught) Perihelion (3.751 AU)
    * Feb 12 - Apollo Asteroid 137052 Tjelvar Closest Approach To Earth (0.260 AU) * Feb 12 - Asteroid 4738 Jimihendrix Closest Approach To Earth (2.162 AU)
    * Feb 12 - Asteroid 1008 La Paz Closest Approach To Earth (2.178 AU)
    * Feb 12 - Asteroid 2160 Spitzer Closest Approach To Earth (2.183 AU)
    * Feb 12 - Julian Schwinger's 100th Birthday (1918)
    * Feb 12 - Marcel Minnaert's 125th Birthday (1893)
    * Feb 13 - Apollo Asteroid 2015 SY16 Near-Earth Flyby (0.052 AU)
    * Feb 13 - Asteroid 3155 Lee Closest Approach To Earth (1.342 AU)
    * Feb 13 - Chuck Yeager's 95th Birthday (1923)
    * Feb 13 - Valentin Naboth's 495th Birthday (1523)
    * Feb 14 - Asteroid 25275 Jocelynbell Closest Approach To Earth (1.367 AU)
    * Feb 14 - Asteroid 3123 Dunham Closest Approach To Earth (1.782 AU)
    * Feb 14 - Asteroid 172996 Stooke Closest Approach To Earth (1.930 AU)
    * Feb 14 - 55th Anniversary (1963), Syncom 1 Launch (1st Geosynchronous Satellite)
    * Feb 14 - Fritz Zwicky's 120th Birthday (1898)
    * Feb 14 - Benjamin Baillaud's 170th Birthday (1848)
    * Feb 15 - Partial Solar Eclipse (Visible from Antarctica)
    * Feb 15 - 5th Anniversary (2013), Fireball Explosion Over Chelyabinsk, Russia * Feb 15 - Galileo Day
    * Feb 15 - Asteroid 6594 Tasman Closest Approach To Earth (2.249 AU)
    * Feb 15 - 45th Anniversary (1973), Pioneer 10 Becomes 1st Spacecraft to Pass Through Main Asteroid Belt
    * Feb 16 - Chinese New Year
    * Feb 16 - Apollo Asteroid 162882 (2001 FD58) Near-Earth Flyby (0.088 AU)
    * Feb 16 - Asteroid 1832 Mrkos Closest Approach To Earth (2.405 AU)
    * Feb 16 - Asteroid 1157 Arabia Closest Approach To Earth (2.552 AU)
    * Feb 16 - Asteroid 11998 Fermilab Closest Approach To Earth (2.790 AU)
    * Feb 16 - 40th Anniversary (1978), Social Media Born
    * Feb 16 - 70th Anniversary (1948), Gerard Kuiper's Discovery of Uranus Moon Miranda
    * Feb 16 - Pierre Bouguer's 320th Birthday (1698)
    * Feb 17 - Tobias Mayer's 295th Birthday (1723)
    * Feb 18 - Comet 93P/Lovas Closest Approach To Earth (2.586 AU)
    * Feb 18 - Comet C/2015 O1 (PANSTARRS) Perihelion (3.731 AU)
    * Feb 18 - Apollo Asteroid 2016 CA138 Near-Earth Flyby (0.056 AU)
    * Feb 18 - Asteroid 5035 Swift Closest Approach To Earth (1.365 AU)
    * Feb 18 - Asteroid 1862 Apollo Closest Approach To Earth (1.528 AU)
    * Feb 18 - Asteroid 3850 Peltier Closest Approach To Earth (1.609 AU)
    * Feb 18 - Asteroid 341 California Closest Approach To Earth (1.643 AU)
    * Feb 18 - Asteroid 2022 West Closest Approach To Earth (1.806 AU)
    * Feb 18 - 70th Anniversary (1948), Norton County Meteorite Shower in Kansas
    * Feb 18 - 105th Anniversary (1913), Frederick Soddy Introduces The Concept of Isotopes
    * Feb 18 - Ernst Mach's 180th Birthday (1838)
    * Feb 19 - Aten Asteroid 341843 (2008 EV5) Closest Approach To Earth (1.797 AU) * Feb 19 - Kuiper Belt Object 55565 (2002 AW197) At Opposition (44.522 AU)
    * Feb 19 - Nicolaus Copernicus' 545th Birthday (1473)
    * Feb 20 - Comet 18D/Perrine-Mrkos At Opposition (2.530 AU)
    * Feb 20 - Asteroid 4345 Rachmaninoff Closest Approach To Earth (1.848 AU)
    * Feb 20 - Asteroid 31000 Rockchic Closest Approach To Earth (2.181 AU)
    * Feb 20 - Asteroid 99905 Jeffgrossman Closest Approach To Earth (2.378 AU)
    * Feb 20 - Asteroid 2848 ASP Closest Approach To Earth (2.479 AU)
    * Feb 20 - Asteroid 2023 Asaph Closest Approach To Earth (2.556 AU)
    * Feb 20 - Aleksandr Aleksandrov's 75th Birthday (1943)
    * Feb 21 - Venus Passes 0.6 Degrees From Neptune
    * Feb 21 - Comet C/2016 T3 (PANSTARRS) At Opposition (2.254 AU)
    * Feb 21 - Asteroid 5905 Johnson Closest Approach To Earth (1.086 AU)
    * Feb 21 - Asteroid 12464 Manhattan Closest Approach To Earth (1.207 AU)
    * Feb 21 - Asteroid 149 Medusa Closest Approach To Earth (1.210 AU)
    * Feb 21 - Asteroid 15402 Suzaku Closest Approach To Earth (1.838 AU)
    * Feb 21 - Asteroid 3693 Barringer Closest Approach To Earth (2.679 AU)
    * Feb 21 - Kuiper Belt Object 148209 (2000 CR105) At Opposition (60.582 AU)
    * Feb 21 - 10th Anniversary (2008), USA Shot Down Failed Military Satellite (USA-193) with Missile
    * Feb 22 - Progress MS-9 Soyuz-2.1a Launch (International Space Station 70P)
    * Feb 22 - Apollo Asteroid 2016 CO246 Near-Earth Flyby (0.039 AU)
    * Feb 22 - Atira Asteroid 2013 TQ5 Closest Approach To Earth (0.374 AU)
    * Feb 22 - Asteroid 160512 Franck-Hertz Closest Approach To Earth (2.377 AU)
    * Feb 22 - Harald Friis' 125th Birthday (1893)
    * Feb 23 - Moon Occults Aldebaran
    * Feb 23 - Asteroid 12104 Chesley Closest Approach To Earth (2.068 AU)
    * Feb 24 - 50th Anniversary (1968), Jocelyn Bell's & Antony Hewish's Discovery of Pulsars
    * Feb 24 - Asteroid 1855 Korolev Closest Approach To Earth (1.087 AU)
    * Feb 24 - Aten Asteroid 99942 Apophis Closest Approach To Earth (1.550 AU)
    * Feb 24 - Asteroid 171183 Haleakala Closest Approach To Earth (2.043 AU)
    * Feb 24 - Asteroid 10195 Nebraska Closest Approach To Earth (2.380 AU)
    * Feb 25 - Mercury Passes 0.5 Degrees From Neptune
    * Feb 25 - Comet 103P/Hartley Closest Approach To Earth (2.438 AU)
    * Feb 25 - Asteroid 8749 Beatles Closest Approach To Earth (1.089 AU)
    * Feb 26 - Apollo Asteroid 2016 FU12 Near-Earth Flyby (0.034 AU)
    * Feb 26 - Apollo Asteroid 2004 CK39 Near-Earth Flyby (0.086 AU)
    * Feb 26 - Asteroid 1831 Nicholson Closest Approach To Earth (1.290 AU)
    * Feb 26 - Susan Helms' 60th Birthday (1958)
    * Feb 27 - Apollo Asteroid 2014 EY24 Near-Earth Flyby (0.038 AU)
    * Feb 27 - Asteroid 10637 Heimlich Closest Approach To Earth (2.146 AU)
    * Feb 28 - Comet 346P/Catalina Closest Approach To Earth (2.683 AU)
    * Feb 28 - Apollo Asteroid 2015 BF511 Near-Earth Flyby (0.029 AU)
    * Feb 28 - Asteroid 7434 Osaka Closest Approach To Earth (1.334 AU)
    * Feb 28 - Asteroid 21459 Chrisrussell Closest Approach To Earth (1.464 AU)
    * Feb 28 - Plutino 90482 Orcus At Opposition (47.134 AU)

    SEEN-BY: 154/30 2320/100 0 1 227/0