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 5,200 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
=========================
SPACE CALENDAR
July 22, 2017
=========================
* indicates changes from last month's calendar.
July 2017
Jul 22 - Comet 253P/PANSTARRS Closest Approach To Earth (1.899 AU)
* Jul 22 - Apollo Asteroid 2017 MB1 Near-Earth Flyby (0.059 AU)
Jul 22 - Asteroid 19631 Greensleeves Closest Approach To Earth (1.815 AU)
Jul 22 - Asteroid 336694 Fey Closest Approach To Earth (1.985 AU)
Jul 22 - Asteroid 3534 Sax Closest Approach To Earth (2.186 AU)
Jul 22 - 45th Anniversary (1972), Venera 8, Venus Landing
Jul 22 - 45th Anniversary (1972), Landsat 1 Launch
Jul 23 - Comet 266P/Christensen At Opposition (3.618 AU)
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 (1.959 AU)
Jul 23 - Apollo Asteroid 7092 Cadmus Closest Approach To Earth (2.854 AU)
Jul 24 - Comet 73P-BC/Schwassmann-Wachmann Perihelion (0.961 AU)
Jul 24 - Comet 293P/LINEAR At Opposition (4.153 AU)
* Jul 24 - Apollo Asteroid 2017 MT8 Near-Earth Flyby (0.094 AU)
Jul 24 - Asteroid 11247 Wilburwright Closest Approach To Earth (1.801 AU)
Jul 24 - Asteroid 51826 Kalpanachawla Closest Approach To Earth (2.219 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 - Comet 353P/McNaught At Opposition (1.480 AU)
Jul 25 - Apollo Asteroid 2014 WW202 Near-Earth Flyby (0.052 AU)
Jul 25 - Apollo Asteroid 480858 (2001 PT9) Near-Earth Flyby (0.069 AU)
Jul 25 - Asteroid 128 Nemesis Closest Approach To Earth (1.642 AU)
Jul 25 - Asteroid 48300 Kronk Closest Approach To Earth (1.935 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 27 - Asteroid 90125 Chrissquire Closest Approach To Earth (1.729 AU)
Jul 26 - Apollo Asteroid 2135 Aristaeus Closest Approach To Earth (1.771 AU)
Jul 26 - Asteroid 5805 Glasgow Closest Approach To Earth (1.804 AU)
Jul 26 - Asteroid 12820 Robinwilliams Closest Approach To Earth (1.868 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 90125 Chrissquire Closest Approach To Earth (1.729 AU)
Jul 27 - Asteroid 3125 Hay Closest Approach To Earth (2.106 AU)
Jul 27 - Asteroid 1154 Astronomia Closest Approach To Earth (2.149 AU)
Jul 27 - Wilhelm Brandes' 240th Birthday (1777)
Jul 28 - Soyuz MS-5 Soyuz-FG Launch (International Space Station 51S)
Jul 28 - Comet 198P/ODAS At Opposition (2.803 AU)
Jul 28 - Comet 333P/LINEAR At Opposition (3.573 AU)
Jul 28 - Asteroid 10101 Fourier Closest Approach To Earth (1.332 AU)
Jul 28 - Asteroid 6111 Davemckay Closest Approach To Earth (1.487 AU)
Jul 28 - Asteroid 5036 Tuttle Closest Approach To Earth (2.569 AU)
Jul 28 - Charles Perrine's 150th Birthday (1867)
Jul 29 - South Delta-Aquarids Meteor Shower Peak
Jul 29 - Comet 164P/Christensen At Opposition (2.080 AU)
Jul 29 - Apollo Asteroid 2017 FQ64 Near-Earth Flyby (0.073 AU)
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 (1.836 AU)
Jul 30 - Vladimir Dezhurov's 55th Birthday (1962)
Jul 31 - Asteroid 19398 Creedence Closest Approach To Earth (0.959 AU)
Jul 31 - Asteroid 12410 Donald Duck Closest Approach To Earth (1.814 AU)
Jul 31 - 25th Anniversary (1992), STS-46 Launch (Space Shuttle Atlantis, EURECA)
August 2017
Aug ?? - Amazonas 5 Proton-M/Briz-M
* Aug ?? - IRNSS 1H PSLV Launch
Aug 01 - 50th Anniversary (1967), Lunar Orbiter 5 Launch
Aug 01 - Optsat 3000/Venus/Samson 1-3 Vega Launch
Aug 01 - Cassini, Distant Flyby of Prometheus, Pandora & Pan
Aug 01 - Alpha Capricornids Meteor Shower Peak
Aug 01 - Comet 77P/Longmore Closest Approach To Earth (2.573 AU)
Aug 01 - Comet P/2001 H5 (NEAT) At Opposition (4.188 AU)
Aug 01 - Apollo Asteroid 2017 KV4 Near-Earth Flyby (0.081 AU)
Aug 01 - Asteroid 2161 Grissom Closest Approach To Earth (1.533 AU)
Aug 01 - Asteroid 3140 Stellafane Closest Approach To Earth (1.829 AU)
Aug 01 - Asteroid 22739 Sikhote-Alin Closest Approach To Earth (2.033 AU)
Aug 01 - Asteroid 29132 Bradpitt Closest Approach to Earth (2.168 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 - Comet 163P/NEAT At Opposition (3.638 AU)
Aug 02 - Asteroid 20488 Pic-du-Midi Closest Approach To Earth (1.363 AU)
Aug 02 - Asteroid 30441 Curly Closest Approach To Earth (1.641 AU)
Aug 02 - Asteroid 9997 COBE Closest Approach To Earth (1.644 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 (1.202 AU)
Aug 03 - Asteroid 6377 Cagney Closest Approach To Earth (1.450 AU)
Aug 03 - Centaur Object 52872 Okyrhoe At Opposition (9.587 AU)
Aug 04 - Comet 2P/Encke At Opposition (1.288 AU)
* Aug 04 - Apollo Asteroid 2011 CN22 Near-Earth Flyby (0.040 AU)
Aug 04 - Asteroid 12485 Jenniferharris Closest Approach To Earth (1.216 AU)
Aug 04 - Asteroid 4970 Druyan Closest Approach To Earth (1.484 AU)
Aug 04 - Asteroid 216 Kleopatra Closest Approach To Earth (1.670 AU)
Aug 04 - Asteroid 6676 Monet Closest Approach To Earth (2.626 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 - Comet 116P/Wild Closest Approach To Earth (2.866 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 353P/McNaught Closest Approach To Earth (1.461 AU)
Aug 06 - Comet 259P/Garradd Perihelion (1.809 AU)
Aug 06 - Comet 171P/Spahr At Opposition (3.037 AU)
Aug 06 - Asteroid 5247 Krylov Occults HIP 104172 (6.1 Magnitude Star)
Aug 06 - Asteroid 1258 Sicilia Closest Approach To Earth (2.108 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 - Comet 236P/LINEAR At Opposition (1.118 AU)
Aug 07 - Comet C/2017 D2 (Barros) Closest Approach To Earth (1.506 AU)
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 (1.171 AU)
Aug 07 - Asteroid 8664 Grigorijrichters Closest Approach To Earth (1.279 AU)
Aug 07 - Asteroid 3351 Smith Closest Approach To Earth (1.527 AU)
Aug 07 - Asteroid 5553 Chodas Closest Approach To Earth (2.217 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 A
Aug 08 - Asteroid 12477 Haiku Closest Approach To Earth (1.412 AU)
Aug 08 - Asteroid 3673 Levy Closest Approach To Earth (1.405 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 - Comet 198P/ODAS Closest Approach To Earth (2.783 AU)
Aug 09 - Asteroid 6227 Alanrubin Closest Approach To Earth (1.809 AU)
Aug 09 - 135th Anniversary (1872), 1st Photo of the Spectrum of a Star (Vega) by Henry Draper
* Aug 10 - CRS-12/Dellingr/ASTERIA/LAICE/RBLE/AOSAT 1/OPAL/OSIRIS-3U/HARP/OPEN/Overview 1A Falcon 9 Launch
* Aug 10- Blagovest 1 Proton-M Briz-M Launch
Aug 10 - Comet 73P-AL/Schwassmann-Wachmann Closest Approach To Earth (0.277 AU)
Aug 10 - Comet 38P/Stephan-Oterma At Opposition (3.978 AU)
Aug 10 - Apollo Asteroid 2015 XO128 Near-Earth Flyby (0.095 AU)
Aug 10 - Asteroid 945 Barcelona Closest Approach To Earth (2.029 AU)
Aug 10 - Asteroid 17062 Bardot Closest Approach To Earth (2.055 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 - Michibiki 3 (QZS-3) H-2A Launch
Aug 11 - Cassini, Distant Flyby of Titan
Aug 11 - Comet 73P-AP/Schwassmann-Wachmann Perihelion (0.959 AU)
Aug 11 - Comet 29P/Schwassmann-Wachmann At Opposition (4.813 AU)
Aug 11 - Asteroid 1587 Kahrstedt Occults HIP 32311 (5.4 Magnitude Star)
Aug 11 - Asteroid 8991 Solidarity Closest Approach To Earth (1.661 AU)
Aug 11 - Asteroid 18024 Dobson Closest Approach To Earth (2.184 AU)
Aug 11 - 55th Anniversary (1962), Vostok 3 Launch
Aug 11 - 140th Anniversary (1877), Asaph Hall's Discovery of Mars Moon Deimos
Aug 12 - Comet P/2012 T1 (PANSTARRS) At Opposition (1.714 AU)
Aug 12 - Comet 29P/Schwassmann-Wachmann Closest Approach To Earth (4.813 AU)
Aug 12 - Asteroid 13212 Jayleno Closest Approach To Earth (1.298 AU)
Aug 12 - Asteroid 656 Beagle Closest Approach To Earth (2.543 AU)
Aug 12 - 40th Anniversary (1977), High Engery Astronomical Observatory (HEAO 1) Launch
Aug 12 - 55th Anniversary (1962), Vostok 4 Launch
Aug 12 - Otto Struve's 120th Birthday (1897)
Aug 13 - Comet C/2017 D2 (Barros) At Opposition (1.510 AU)
Aug 13 - Comet 214P/LINEAR At Opposition (3.401 AU)
Aug 13 - Comet 203P/Korlevic At Opposition (4.122 AU)
Aug 13 - Apollo Asteroid 2014 OA339 Near-Earth Flyby (0.032 AU)
Aug 13 - Apollo Asteroid 2003 MJ4 Near-Earth Flyby (0.098 AU)
Aug 13 - Aten Asteroid 2013 ND15 (Venus Trojan) Closest Approach To Earth (1.160 AU)
Aug 13 - Asteroid 4147 Lennon Closest Approach To Earth (1.345 AU)
Aug 13 - Apollo Asteroid 5143 Heracles Closest Approach To Earth (1.634 AU)
Aug 13 - Asteroid 3895 Earhart Closest Approach To Earth (1.738 AU)
Aug 13 - Asteroid 284996 Rosaparks Closest Approach To Earth (2.049 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 - NROL-42/Trumpet Atlas 5 Launch
Aug 14 - Cassini, Distant Flyby of Atlas & Prometheus
Aug 14 - Comet P/2007 V1 (Larson) At Opposition (3.222 AU)
Aug 14 - Asteroid 930 Westphalia Occults HIP 34358 (5.9 Magnitude Star)
Aug 14 - Asteroid 13609 Lewicki Closest Approach To Earth (1.291 AU)
Aug 14 - Asteroid 447 Valentine Closest Approach To Earth (1.935 AU)
Aug 14 - 25th Anniversary (1992), Mbale Meteorite Fall (Hit Boy in Uganda)
Aug 15 - Comet 116P/Wild At Opposition (2.882 AU)
Aug 15 - Comet P/2010 B2 (WISE) At Opposition (3.450 AU)
Aug 15 - Comet P/2009 WX51 (Catalina) At Opposition (4.198 AU)
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 - Apollo Asteroid 1566 Icarus Closest Approach To Earth (1.109 AU)
Aug 15 - Asteroid 3933 Portugal Closest Approach To Earth (1.966 AU)
Aug 15 - Louis de Broglie's 125th Birthday (1892)
* Aug 16 - Zhangheng 1 (CSES 1)/NuSat 4 (Aleph-1 4)/NuSat 5 (Aleph-1 5)/GOMX 4A (Ulloriaq)/GOMX 4B/
Fengmaniu 1 CZ-2D Launch
Aug 16 - Moon Occults Aldebaran
Aug 16 - Comet 77P/Longmore At Opposition (2.601 AU)
Aug 16 - Comet 3D/Biela At Opposition (2.887 AU)
Aug 16 - Apollo Asteroid 2017 HV3 Near-Earth Flyby (0.099 AU)
Aug 16 - Asteroid 37582 Faraday Closest Approach To Earth (0.951 AU)
Aug 16 - Asteroid 2713 Luxemburg Closest Approach To Earth (1.798 AU)
Aug 17 - Comet 69P/Taylor At Opposition (3.139 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 - 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 P/2010 P4 (WISE) Perihelion (1.861 AU)
Aug 18 - Comet 164P/Christensen Closest Approach To Earth (2.026 AU)
Aug 18 - Apollo Asteroid 2012 BD14 Near-Earth Flyby (0.067 AU)
Aug 18 - Atira Asteroid 2015 ME131 Closest Approach To Earth (0.424 AU)
Aug 18 - Asteroid 13208 Fraschetti Closest Approach To Earth (0.964 AU)
Aug 19 - Comet P/2012 T1 (PANSTARRS) Closest Approach To Earth (1.707 AU)
Aug 19 - Comet 30P/Reinmuth Perihelion (1.877 AU)
Aug 19 - Asteroid 3654 AAS Closest Approach To Earth (0.980 AU)
Aug 19 - Asteroid 1132 Hollandia Closest Approach To Earth (1.014 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 (1.707 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 (19.684 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 1850 Kohoutek Closest Approach To Earth (1.135 AU)
Aug 21 - Asteroid 1814 Bach Closest Approach To Earth (1.337 AU)
Aug 21 - Asteroid 2865 Laurel Closest Approach To Earth (1.496 AU)
Aug 21 - Asteroid 15332 CERN Closest Approach To Earth (1.565 AU)
Aug 21 - Asteroid 6639 Marchis Closest Approach To Earth (1.840 AU)
Aug 21 - Asteroid 78577 JPL Closest Approach To Earth (2.003 AU)
Aug 21 - 45th Anniversary (1972), Copernicus Launch
Aug 22 - Comet 5D/Brorsen Closest Approach To Earth (1.120 AU)
Aug 22 - Asteroid 3 Juno Occults 2UCAC 28762234 (12.4 Magnitude Star)
Aug 22 - Asteroid 5540 Smirnova Closest Approach To Earth (0.821 AU)
Aug 22 - Asteroid 804 Hispania Closest Approach To Earth (1.437 AU)
Aug 22 - Asteroid 1791 Patsayev Closest Approach To Earth (1.509 AU)
Aug 22 - Asteroid 8423 Macao Closest Approach To Earth (1.627 AU)
Aug 22 - Asteroid 289586 Shackleton Closest Approach To Earth (1.643 AU)
Aug 22 - Raymonde de Laroche's 135th Birthday (1882)
Aug 23 - Comet 49P/Arend-Rigaux At Opposition (2.273 AU)
Aug 23 - Comet 247P/LINEAR At Opposition (3.161 AU)
Aug 23 - Comet P/2016 BA14 (PANSTARRS) At Opposition (3.283 AU)
Aug 23 - Apollo Asteroid 54509 YORP Closest Approach To Earth (0.652 AU)
Aug 23 - Lubor Kresak's 90th Birthday (1927)
Aug 24 - Iridium Next 21-30 Falcon 9 Launch
* Aug 24 - FORMOSAT 5/Sherpa Falcon 9 Launch
Aug 24 - Comet 73P-BC/Schwassmann-Wachmann Closest Approach To Earth (0.441 AU)
Aug 24 - Comet 339P/Gibbs At Opposition (2.742 AU)
Aug 24 - Comet P/2011 W2 (Rinner) At Opposition (3.115 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 - Asteroid 2531 Cambridge Closest Approach To Earth (2.176 AU)
Aug 24 - Asteroid 88705 Potato Closest Approach To Earth (2.212 AU)
Aug 24 - Asteroid 51827 Laurelclark Closest Approach To Earth (2.309 AU)
* Aug 25 - ORS 5 Minotaur 4 Launch
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 (1.731 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 26 - Asteroid 5945 Roachapproach Closest Approach To Earth (0.908 AU)
Aug 27 - Cassini, Distant Flyby of Janus, Daphnis, Prometheus, Epimetheus, Pandora & Pan
Aug 27 - Comet 349P/Lemmon Perihelion (2.496 AU)
Aug 27 - Comet C/2016 P4 (PANSTARRS) Closest Approach To Earth (5.316 AU)
Aug 27 - Asteroid 51824 Mikeanderson Closest Approach To Earth (1.660 AU)
* Aug 28 - X-37B OTV-5 Falcon 9 Launch
Aug 28 - Asteroid 2710 Veverka Closest Approach To Earth (1.702 AU)
Aug 27 - Asteroid 9025 Polansky Closest Approach To Earth (1.756 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 (0.098 AU)
Aug 28 - Amor Asteroid 2202 Pele Closest Approach To Earth (0.665 AU)
Aug 28 - Asteroid 29470 Higgs Closest Approach To Earth (1.573 AU)
Aug 28 - Asteroid 2710 Veverka Closest Approach To Earth (1.702 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 - Comet 236P/LINEAR Closest Approach To Earth (1.074 AU)
Aug 29 - Apollo Asteroid 3752 Camillo Closest Approach To Earth (0.557 AU)
Aug 29 - Asteroid 14094 Garneau Closest Approach To Earth (1.764 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 - Aten Asteroid 2100 Ra-Shalom Closest Approach To Earth (1.211 AU)
Aug 30 - Asteroid 2575 Bulgaria Closest Approach To Earth (1.215 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 - Comet P/2008 T4 (Hill) At Opposition (2.126 AU)
Aug 31 - Dwarf Planet Ceres Occults TYC 1910-00447-1 (7.9 Magnitude Star)
Aug 31 - Asteroid 5040 Rabinowitz Closest Approach To Earth (0.889 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 ?? - GSAT-6A GSLV Mk II Launch
Sep ?? - BeiDou-3 (M3 & M4) CZ-3C/YZ-1 Launch
* Sep ?? - Gaofen 5 (GF 5) CZ-4B Launch
* Sep ?? - Koreasat 5A (Mugungwha 5A) Falcon 9 Launch
* Sep ?? - Arkyd-6/PicSat/CNUSail 1/KAUSAT 5/SIGMA (KHUSAT 3)/Canyval-X 1 & 2/STEP 1/Fox 1D PSLV Launch
* Sep ?? - Chinasat-6C (Zhongxing-6C) CZ-3B/E Launch
* Sep ?? - Fengyun 3D CZ-4C Launch
* Sep ?? - Cosmos (GLONASS-M 756) Soyuz-2.1b/Fregat-M Launch
* Sep 01 - Intelsat 37E/BSAT 4A Ariane 5 Launch
Sep 01 - Comet 73P-BL/Schwassmann-Wachmann Closest Approach To Earth (1.044 AU)
Sep 01 - Comet 145P/Shoemaker-Levy Perihelion (1.904 AU)
Sep 01 - Comet 100P/Hartley Closest Approach To Earth (2.846 AU)
Sep 01 - Amor Asteroid 3122 Florence Near-Earth Flyby (0.047 AU)
Sep 01 - Asteroid 7507 Israel Closest Approach To Earth (0.889 AU)
Sep 01 - Asteroid 1159 Granada Closest Approach To Earth (1.260 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 - Apollo Asteroid 101955 Bennu Closest Approach To Earth (0.336 AU)
Sep 02 - Asteroid 55555 DNA Closest Approach To Earth (1.283 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 - Comet P/2001 T3 (NEAT) At Opposition (2.437 AU)
Sep 03 - Asteroid 9258 Johnpauljones Closest Approach To Earth (0.899 AU)
Sep 03 - Asteroid 241 Germania Closest Approach To Earth (1.739 AU)
Sep 03 - Asteroid 218998 Navi Closest Approach To Earth (1.746 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 (1.185 AU)
Sep 04 - Apollo Asteroid 11885 Summanus Closest Approach To Earth (1.440 AU)
Sep 04 - Asteroid 8958 Stargazer Closest Approach To Earth (1.491 AU)
Sep 04 - Asteroid 12382 Niagara Falls Closest Approach To Earth (1.698 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 - Comet C/2017 E4 (Lovejoy) Closest Approach To Earth (2.293 AU)
Sep 05 - Comet 3D/Biela Closest Approach To Earth (2.824 AU)
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 (1.724 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 298P/Christensen At Opposition (3.936 AU)
Sep 07 - Asteroid 3259 Brownlee Closest Approach To Earth (2.533 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 - Comet 73P-AQ/Schwassmann-Wachmann Closest Approach To Earth (1.138 AU)
Sep 08 - Comet 14P/Wolf At Opposition (1.864 AU)
* Sep 08 - Asteroid 727 Nipponia Closest Approach To Earth (1.429 AU)
Sep 08 - Asteroid 3594 Scotti Closest Approach To Earth (1.597 AU)
Sep 08 - Asteroid 270553 Loureed Closest Approach To Earth (1.739 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 - Echostar 105/SES-11 Falcon 9 Launch
Sep 09 - Cassini, Distant Flyby of Daphnis, Atlas & Prometheus
Sep 09 - Comet 73P-AR/Schwassmann-Wachmann Closest Approach To Earth (1.150 AU)
Sep 09 - Comet 73P-AG/Schwassmann-Wachmann Closest Approach To Earth (1.152 AU)
Sep 09 - Comet C/2014 B1 (Schwartz) Perihelion (9.558 AU)
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 (0.963 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 - Comet 73P-AP/Schwassmann-Wachmann Closest Approach To Earth (0.730 AU)
Sep 10 - Comet P/2013 EW90 (Tenagra) At Opposition (3.829 AU)
* Sep 10 - Asteroid 21619 Johnhopkins Closest Approach To Earth (1.388 AU)
Sep 10 - Asteroid 3124 Kansas Closest Approach To Earth (1.531 AU)
Sep 10 - Asteroid 8629 Chucklorre Closest Approach To Earth (1.629 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 7225 Huntress Closest Approach To Earth (1.622 AU)
* Sep 11 - Asteroid 2653 Principia Closest Approach To Earth (1.623 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 - Cygnus CRS OA-8E/Asgardia 1 Antares 230 Launch (International Space Station)
Sep 12 - Mercury At Its Greatest Western Elongation (18 Degrees)
Sep 12 - Moon Occults Aldebaran
Sep 12 - Comet 73P-P/Schwassmann-Wachmann Closest Approach To Earth (1.198 AU)
Sep 12 - Comet 14P/Wolf Closest Approach To Earth (1.862 AU)
Sep 12 - Comet 240P/NEAT At Opposition (1.923 AU)
Sep 12 - Comet 49P/Arend-Rigaux Closest Approach To Earth (2.216 AU)
* Sep 12 - Comet 59P/Kearns-Kwee At Opposition (2.505 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 - Soyuz MS-6 Soyuz-FG Launch (International Space Station 52S)
Sep 13 - Comet P/2008 T4 (Hill) Closest Approach To Earth (2.104 AU)
Sep 13 - Comet 239P/LINEAR At Opposition (3.321 AU)
Sep 13 - Asteroid 39566 Carllewis Closest Approach To Earth (0.827 AU)
Sep 13 - Asteroid 11020 Orwell Closest Approach To Earth (1.848 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 (0.869 AU)
Sep 14 - Asteroid 14764 Kilauea Closest Approach To Earth (1.101 AU)
* Sep 14 - Asteroid 28078 Mauricehilleman Closest Approach To Earth (1.134 AU) * Sep 15 - Xiaoxiang 2-5/Mini Hubble CZ-11 Launch
Sep 15 - Cassini, Distant Flyby of Janus, Pan, Pandora & Epimetheus
Sep 15 - Cassini, Saturn Impact
Sep 15 - Comet 73P-AC/Schwassmann-Wachmann Closest Approach To Earth (1.251 AU)
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 - Comet 100P/Hartley At Opposition (2.874 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 - Comet P/2010 H2 (Vales) Perihelion (3.097 AU)
Sep 16 - Aten Asteroid 2014 RX22 Near-Earth Flyby (0.080 AU)
* Sep 17 - Amor Asteroid 7336 Saunders Closest Approach To Earth (0.232 AU)
Sep 17 - Asteroid 18458 Caesar Closest Approach To Earth (1.534 AU)
Sep 17 - Asteroid 449 Hamburga Closest Approach To Earth (1.863 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 - Comet 60P/Tsuchinshan At Opposition (2.766 AU)
Sep 18 - Asteroid 3917 Franz Schubert Closest Approach To Earth (1.346 AU)
Sep 18 - Asteroid 19204 Joshuatree Closest Approach To Earth (1.524 AU)
Sep 18 - Asteroid 73079 Davidbaltimore Closest Approach To Earth (1.530 AU)
Sep 18 - Asteroid 9523 Torino Closest Approach To Earth (1.763 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 - Comet 5D/Brorsen Perihelion (0.529 AU)
Sep 19 - Comet 95P/Chiron At Opposition (17.579 AU)
Sep 19 - Asteroid 4444 Escher Closest Approach To Earth (1.141 AU)
Sep 19 - Asteroid 3763 Quianxuesen Closest Approach To Earth (1.477 AU)
* Sep 19 - Asteroid 12790 Cernan Closest Approach To Earth (1.484 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)
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