List of conjunctions (astronomy)

This is a list of our solar system's recent and forthcoming planetary conjunctions (in layman's terms, "when two planets look close together").

Conjunction of Mercury and Venus, appearing above the Moon, at the Paranal Observatory.

In astronomy, a conjunction is an event, defined only when using either an equatorial or an ecliptic celestial coordinate system, in which any two astronomical objects (e.g. asteroids, moons, planets, stars) have the same celestial longitude, normally as when observed from the Earth (geocentric).

In the case of a geocentric conjunction of two of our solar system's planets, since our solar system's planets appear to travel "along the same line" (the ecliptic), the two planets appear to an Earthbound observer as being near one another in the sky around the time of the conjunction.

The list below presents instances during the period 2005–2020 in which two of our solar system's planets are in conjunction according to the equatorial coordinate system (in which the celestial longitude is termed right ascension).

Conjunctions of planets in right ascension 2005-2020

2005

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 4, 2005 07:04:06 Venus 7°27' south of Pluto 20,8° West
January 5, 2005 00:58:49 Mercury 6°59' south of Pluto 21,6° West
January 14, 2005 00:40:51 Mercury 21' south of Venus 18.5° West
January 29, 2005 07:05:35 Mars 8°15' south of Pluto 45,5° West
February 8, 2005 01:29:22 Mercury 2°04' south of Neptune 4.2° West
February 14, 2005 19:15:10 Venus 58' south of Neptune 10.7° West
February 20, 2005 00:46:34 Mercury 1°00' south of Uranus 4.9° East
March 4, 2005 03:31:36 Venus 41' south of Uranus 6.6° West
March 28, 2005 22:31:53 Mercury 4°49' north of Venus 1.5° West
April 13, 2005 00:26:23 Mars 1°15' south of Neptune 66.0° West
May 14, 2005 20:24:10 Mars 1°11' south of Uranus 73.8° West
June 19, 2005 21:22:52 Venus 1°18' north of Saturn 22.8° East
June 26, 2005 06:13:43 Mercury 1°25' north of Saturn 22.5° East
June 27, 2005 20:18:55 Mercury 5' south of Venus 23.3° East
July 7, 2005 08:21:22 Mercury 1°38' south of Venus 25.8° East
September 2, 2005 12:05:52 Venus 1°22' south of Jupiter 38.7° East
October 6, 2005 07:01:37 Mercury 1°28' south of Jupiter 12.6° East
October 29, 2005 16:11:20 Venus 11°08' south of Pluto 46,8° East
December 31, 2005 15:55:12 Mercury 7°36' south of Pluto 14,9° West

2006

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 17, 2006 02:23:03 Mercury 7°53'south of Venus 6.5° West
February 1, 2006 12:13:51 Mercury 1°57' north of Neptune 4.5° East
February 14, 2006 15:40:57 Mercury 2' north of Uranus 14.1° East
March 26, 2006 21:02:41 Venus 1°52' north of Neptune 46.5° West
April 18, 2006 12:27:31 Venus 19' north of Uranus 45.0° West
June 17, 2006 22:50:40 Mars 35' north of Saturn 42.0° East
August 20, 2006 22:40:10 Mercury 31' north of Saturn 11.2° West
August 26, 2006 23:09:47 Venus 4' north of Saturn 16.3° West
September 15, 2006 20:32:28 Mercury 10' south of Mars 12.1° East
October 24, 2006 19:44:11 Venus 43' north of Mars 0.6° West
October 25, 2006 21:42:16 Mercury 3°56' south of Jupiter 21.2° East
October 28, 2006 16:32:15 Mercury 3°43' south of Jupiter 19.1° East
November 7, 2006 13:36:58 Mercury 1°14' south of Venus 2.8° East
November 11, 2006 17:51:38 Mercury 39' north of Mars 6.2° West
November 15, 2006 22:52:15 Venus 27' south of Jupiter 4.8° East
December 9, 2006 20:17:18 Mercury 1°02' north of Mars 15.1° West
December 10, 2006 16:31:09 Mercury 8' north of Jupiter 14.8° West
December 11, 2006 23:34:02 Mars 49' south of Jupiter 15.7° West

2007

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 18, 2007 18:10:50 Venus 1°25' south of Neptune 20.1° East
January 26, 2007 06:46:07 Mercury 1°28' south of Neptune 12.7° East
February 7, 2007 13:13:57 Venus 44' south of Uranus 24.6° East
March 25, 2007 07:23:59 Mars 1°00' south of Neptune 43.2° West
April 1, 2007 06:59:14 Mercury 1°37' south of Uranus 25.0° West
April 28, 2007 18:57:38 Mars 44' south of Uranus 50.6° West
July 2, 2007 00:44:38 Venus 46' south of Saturn 42.6° East
August 9, 2007 08:46:28 Venus 8°29' south of Saturn 10.6° East
August 15, 2007 22:59:23 Mercury 10°04' north of Venus 1.8° East
August 18, 2007 11:30:22 Mercury 30' north of Saturn 3.2° East
October 15, 2007 14:05:43 Venus 2°56' south of Saturn 45,8° West
December 20, 2007 21:46:21 Mercury 1°48' south of Jupiter 1,9° East

2008

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 23, 2008 04:14:53 Mercury 20' north of Neptune 18.5° East
February 1, 2008 04:14:53 Mercury 3°11' north of Neptune 9° East
February 1, 2008 12:35:21 Venus 35' north of Jupiter 32° West
February 26, 2008 02:34:04 Mercury 1°20' north of Venus 26.1° West
March 6, 2008 20:14:29 Venus 36' south of Neptune 24° West
March 9, 2008 02:48:02 Mercury 56' south of Neptune 26.2° West
March 23, 2008 10:13:50 Mercury 1°03' south of Venus 20.3° West
March 27, 2008 17:00:46 Venus 45' south of Uranus 18.6° West
June 8, 2008 00:51:42 Mercury 2°59' south of Venus 0.3° West
July 11, 2008 06:27:25 Mars 42' south of Saturn 46.2° East
August 13, 2008 19:02:26 Venus 14' south of Saturn 18° East
August 16, 2008 00:03:43 Mercury 42' south of Saturn 16.1° East
August 23, 2008 05:08:57 Mercury 1°15' south of Venus 20.5° East
September 11, 2008 04:50:56 Mercury 3°34' south of Venus 25.4° East
September 11, 2008 20:36:33 Venus 20' north of Mars 25.5° East
September 12, 2008 20:59:16 Mercury 3°26' south of Mars 25.3° East
September 19, 2008 05:13:06 Mercury 4°08' south of Mars 23.3° East
December 1, 2008 00:36:13 Venus 2°02' south of Jupiter 42.7° East
December 27, 2008 01:50:46 Venus 1°45' south of Neptune 46.2° East
December 31, 2008 05:54:23 Mercury 1°17' south of Jupiter 18.6° East

2009

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 18, 2009 06:19:19 Mercury 3°15' north of Jupiter 4.7° East
January 23, 2009 15:34:10 Venus 1°24' north of Uranus 46.3° East
January 26, 2009 18:23:39 Mercury 4°25' north of Mars 13.5° West
February 17, 2009 09:35:27 Mars 35' south of Jupiter 18.8° West
February 24, 2009 03:08:31 Mercury 37' north of Jupiter 24.1° West
March 1, 2009 20:21:59 Mercury 36' south of Mars 21.8° West
March 5, 2009 00:52:04 Mercury 1°39' south of Neptune 19.9° West
March 8, 2009 04:18:03 Mars 48' south of Neptune 22.9° West
March 21, 2009 21:36:59 Mercury 1°24' south of Uranus 8.3° West
March 27, 2009 11:31:44 Mercury 10°37' south of Venus 4° West
April 15, 2009 03:46:10 Mars 28' south of Uranus 30.9° West
April 18, 2009 16:22:43 Venus 5°36' north of Mars 29.8° West
May 25, 2009 14:20:29 Jupiter 24' south of Neptune 98° West
June 19, 2009 14:16:32 Venus 2°02' south of Mars 44.6° West
July 13, 2009 17:22:12 Jupiter 37' south of Neptune 145.5° West
August 18, 2009 21:20:26 Mercury 3°27' south of Saturn 25.4° East
September 20, 2009 12:26:59 Mercury 5°24' south of Saturn 3° West
October 8, 2009 09:19:27 Mercury 19' south of Saturn 17.6° West
October 13, 2009 15:39:41 Venus 34' south of Saturn 22.1° West
December 20, 2009 05:35:39 Jupiter 34' south of Neptune 55.6° East

2010

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 5, 2010 07:30:46 Mercury 3°26' north of Venus 1.7° West
February 7, 2010 22:43:25 Venus 1°04' south of Neptune 6.6° East
February 16, 2010 21:09:36 Venus 35' south of Jupiter 8.8° East
February 27, 2010 05:07:37 Mercury 1°48' south of Neptune 11.9° West
March 3, 2010 22:43:19 Venus 40' south of Uranus 12.4° East
March 7, 2010 19:00:44 Mercury 1°11' south of Jupiter 5.7° West
March 15, 2010 17:56:56 Mercury 44' south of Uranus 1.6° East
June 6, 2010 18:30:37 Jupiter 28' south of Uranus 75.7° West
August 1, 2010 19:41:06 Mars 1°56' south of Saturn 51.5° East
August 10, 2010 01:44:26 Venus 3°8' south of Saturn 44.4° East
August 23, 2010 21:29:05 Venus 2°27' south of Mars 44.9° East
September 22, 2010 19:53:12 Jupiter 53' south of Uranus 177.8° East
September 29, 2010 06:21:23 Venus 6°30' south of Mars 33.7° East
October 8, 2010 14:57:51 Mercury 35' south of Saturn 6.5° West
October 24, 2010 11:04:41 Mercury 7°11' north of Venus 4.9° East
November 21, 2010 00:50:16 Mercury 1°41' south of Mars 18.7° East
December 14, 2010 03:33:06 Mercury 1°02' north of Mars 12.7° East

2011

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 2, 2011 13:41:09 Jupiter 34' south of Uranus 75° East
February 20, 2011 13:50:48 Mercury 1°04' south of Mars 3.7° West
February 20, 2011 17:08:01 Mercury 1°41' south of Neptune 3.2° West
February 20, 2011 21:28:33 Mars 38' south of Neptune 3.4° West
March 9, 2011 18:00:45 Mercury 22' north of Uranus 11.1° East
March 16, 2011 17:25:56 Mercury 2°20' north of Jupiter 15.7° West
March 27, 2011 00:37:44 Venus 9' south of Neptune 36.3° West
April 3, 2011 17:42:55 Mars 14' south of Uranus 12.4° West
April 10, 2011 20:05:01 Mercury 3°31' north of Jupiter 2.8° West
April 19, 2011 08:23:49 Mercury 47' north of Mars 15.4° West
April 22, 2011 18:50:51 Venus 55' south of Uranus 30° West
May 1, 2011 11:04:55 Mars 24' north of Jupiter 18.2° West
May 10, 2011 22:46:50 Mercury 2°12' south of Jupiter 25.3° West
May 11, 2011 09:14:56 Venus 37' south of Jupiter 25.7° West
May 20, 2011 01:17:23 Mercury 2°21' south of Mars 22.2° West
May 22, 2011 15:13:00 Venus 1°03' south of Mars 22.7° West
August 15, 2011 23:17:56 Mercury 6°21' south of Venus 1.3° West
September 30, 2011 11:07:16 Venus 1°24' south of Saturn 11.8° East
October 7, 2011 08:58:32 Mercury 1°52' south of Saturn 6.1° East

2012

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 13, 2012 07:07:30 Venus 1°10' south of Neptune 36.4° East
February 10, 2012 05:19:14 Venus 20' north of Uranus 41.3° East
February 14, 2012 00:40:40 Mercury 1°18' south of Neptune 5.5° East
March 6, 2012 23:35:54 Mercury 3°05' north of Uranus 16.7° East
March 15, 2012 10:37:46 Venus 3°16' north of Jupiter 44.6° East
March 16, 2012 02:11:51 Mercury 4°36' north of Uranus 8.2° East
April 22, 2012 02:00:45 Mercury 2°08' south of Uranus 26.3° West
May 22, 2012 07:12:01 Mercury 24' north of Jupiter 6.3° West
June 1, 2012 20:40:22 Mercury 12' north of Venus 6.7° East
August 17, 2012 08:46:15 Mars 2°54' south of Saturn 60.1° East
October 6, 2012 07:06:36 Mercury 3°29' north of Saturn 16.8° East
November 27, 2012 05:14:02 Venus 34' south of Saturn 29.0° West

2013

Date Time UTC Planet Angle distance Planet Elongation to Sun
February 4, 2013 16:05:34 Mars 26' south of Neptune 16.1° East
February 6, 2013 20:41:22 Mercury 28' south of Neptune 13.9° East
February 8, 2013 21:09:19 Mercury 18' north of Mars 15.1° East
February 24, 2013 22:31:25 Mercury 4°15' north of Mars 11.6° East
February 28, 2013 08:10:56 Venus 46' south of Neptune 6.8° West
March 6, 2013 07:21:59 Mercury 5°20' north of Venus 5° West
March 22, 2013 18:23:53 Mars 1' north of Uranus 5.9° East
March 28, 2013 17:14:45 Venus 43' south of Uranus 0.7° East
April 6, 2013 15:45:52 Venus 42' south of Mars 2.6° East
April 19, 2013 21:11:39 Mercury 2°02' south of Uranus 20.3° West
May 7, 2013 22:16:22 Mercury 26' south of Mars 4.6° West
May 25, 2013 03:52:17 Mercury 1°22' north of Venus 15° West
May 27, 2013 09:47:09 Mercury 2°22' north of Jupiter 17° East
May 28, 2013 20:39:31 Venus 1° north of Jupiter 15.9° East
June 20, 2013 17:37:02 Mercury 1°57' south of Venus 22° East
July 22, 2013 05:45:11 Mars 47' north of Jupiter 23.7° West
September 20, 2013 00:14:06 Venus 3°45' south of Saturn 41.7° East
October 10, 2013 18:40:54 Mercury 5°24' north of Saturn 23.6° East
October 28, 2013 21:00:50 Mercury 4°06' north of Saturn 7.9° East
November 26, 2013 03:39:41 Mercury 20' south of Saturn 17.5° West

2014

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 7, 2014 10:28:53 Mercury 6°27' south of Venus 5.9° East
March 22, 2014 11:38:46 Mercury 1°15' south of Neptune 25.7° West
April 12, 2014 08:19:49 Venus 42' north of Neptune 45.4° West
April 14, 2014 16:11:35 Mercury 1°23' south of Uranus 11.5° West
May 15, 2014 13:14:02 Venus 1°16' south of Uranus 39.9° West
August 2, 2014 16:39:29 Mercury 58' north of Jupiter 6.5° West
August 18, 2014 04:08:26 Venus 12' north of Jupiter 17.9° West
August 27, 2014 13:16:34 Mars 3°34' south of Saturn 73.6° East
October 17, 2014 08:02:46 Mercury 2°44' south of Venus 1.7° West
November 13, 2014 09:04:07 Venus 1°36' south of Saturn 4.8° East
December 2, 2014 09:01:16 Mercury 1°43' south of Saturn 6.8° West
December 30, 2014 07:25:46 Mercury 3°44' south of Venus 12.6° East

2015

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 5, 2015 16:30:15 Mercury 1°40' south of Venus 16.1° East
January 19, 2015 21:33:54 Mars 14' south of Neptune 36.4° East
February 1, 2015 11:31:23 Venus 50' south of Neptune 23.8° East
February 21, 2015 19:43:28 Venus 28' south of Mars 28.4° East
March 4, 2015 19:30:15 Venus 6' north of Uranus 30.8° East
March 11, 2015 19:50:33 Mars 17' north of Uranus 24.1° East
March 17, 2015 23:40:08 Mercury 1°36' south of Neptune 19.1° West
April 8, 2015 09:55:57 Mercury 31' south of Uranus 1.8° West
April 23, 2015 07:09:00 Mercury 1°23' north of Mars 13.7° East
May 27, 2015 15:20:33 Mercury 1°41' south of Mars 4.8° East
July 1, 2015 14:17:16 Venus 24' south of Jupiter 42.2° East
July 16, 2015 04:29:03 Mercury 8' south of Mars 8.9° West
July 31, 2015 19:47:59 Venus 6°26' south of Jupiter 19.5° East
August 5, 2015 08:52:16 Mercury 8°11' north of Venus 13.1° East
August 7, 2015 04:04:09 Mercury 35' north of Jupiter 14.6° East
August 29, 2015 05:18:53 Venus 9°25' south of Mars 21.3° West
October 17, 2015 13:50:10 Mars 24' north of Jupiter 39.8° West
October 26, 2015 08:14:32 Venus 1°04' south of Jupiter 46.4° West
November 3, 2015 16:08:44 Venus 42' south of Mars 46.2° West
November 25, 2015 12:33:25 Mercury 2°46' south of Saturn 4.3° East

2016

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 9, 2016 03:57:19 Venus 5' north of Saturn 36.3° West
March 10, 2016 22:12:11 Mercury 1°30' south of Neptune 10.9° West
March 20, 2016 13:51:16 Venus 32' south of Neptune 20.1° West
March 31, 2016 23:41:55 Mercury 38' north of Uranus 8.3° East
April 22, 2016 14:17:27 Venus 52' south of Uranus 11.7° West
May 13, 2016 20:49:07 Mercury 26' south of Venus 6.5° West
July 16, 2016 17:39:09 Mercury 32' north of Venus 10.9° East
August 25, 2016 17:52:42 Mars 4°23' south of Saturn 97° East
August 27, 2016 04:57:57 Mercury 5°16' south of Venus 22.1° East
August 27, 2016 21:47:56 Venus 4' north of Jupiter 22.3° East
October 11, 2016 04:17:47 Mercury 52' north of Jupiter 11.5° West
October 30, 2016 08:25:30 Venus 3°02' south of Saturn 36.9° East
November 24, 2016 00:38:02 Mercury 3°28' south of Saturn 14.8° East

2017

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 1, 2017 06:46:46 Mars 1' south of Neptune 58.7° East
January 13, 2017 01:46:45 Venus 25' north of Neptune 47° East
February 27, 2017 08:20:34 Mars 37' north of Uranus 43.1° East
March 4, 2017 05:34:17 Mercury 1°08' south of Neptune 2.2° West
March 16, 2017 23:21:32 Mercury 9°33' south of Venus 9.5° East
March 27, 2017 05:55:27 Mercury 2°25' north of Uranus 16.7° East
April 28, 2017 17:52:58 Mercury 9' south of Uranus 13.4° West
May 7, 2017 23:22:48 Mercury 2°14' south of Uranus 21.8° West
June 2, 2017 14:41:15 Venus 1°47' south of Uranus 45.2° West
June 28, 2017 18:17:30 Mercury 47' north of Mars 8.7° East
September 2, 2017 00:07:46 Mercury 4°06' south of Mars 10.8° West
September 16, 2017 18:23:28 Mercury 3' north of Mars 16.9° West
October 5, 2017 13:25:48 Venus 13' north of Mars 23.4° West
October 18, 2017 14:56:38 Mercury 1°01' south of Jupiter 6.4° East
November 13, 2017 06:10:03 Venus 17' north of Jupiter 13.8° West
November 28, 2017 09:36:06 Mercury 3°03' south of Saturn 21.1° East
December 6, 2017 11:29:41 Mercury 1°21' south of Saturn 13.9° East
December 15, 2017 16:04:48 Mercury 2°14' north of Venus 5.9° West
December 25, 2017 17:49:20 Venus 1°08' south of Saturn 3.5° West

2018

Date Time UTC Planet Angle distance Planet Elongation to Sun
January 7, 2018 03:40:50 Mars 13' south of Jupiter 58.8° West
February 21, 2018 14:19:55 Venus 35' south of Neptune 10.5° East
February 25, 2018 10:07:00 Mercury 29' south of Neptune 6.9° East
March 5, 2018 18:28:59 Mercury 1°24' north of Venus 13.4° East
March 18, 2018 01:16:29 Mercury 3°53' north of Venus 16.4° East
March 29, 2018 0:13:21 Venus 4' south of Uranus 19° East
April 2, 2018 11:53:07 Mars 1°16' south of Saturn 93.7° West
May 12, 2018 21:01:21 Mercury 2°24' south of Uranus 22.2° West
October 14, 2018 15:20:14 Mercury 6°49' north of Venus 15.8° East
October 30, 2018 03:38:40 Mercury 3°16' south of Jupiter 21.3° East
December 7, 2018 14:55:51 Mars 2' south of Neptune 88.3° East
December 21, 2018 14:43:16 Mercury 52' north of Jupiter 20.1° West

2019

Date Time GMT Planet Angle distance Planet Elongation to Sun
January 13, 2019 10:48:09 Mercury 1°43' south of Saturn 10.1° West
January 22, 2019 05:47:42 Venus 2°26' north of Jupiter 45.9° West
February 13, 2019 20:06:54 Mars 1°03' north of Uranus 64.4° East
February 18, 2019 13:54:15 Venus 1°05' north of Saturn 42.7° West
February 19, 2019 11:09:52 Mercury 46' north of Neptune 15.1° East
March 22, 2019 06:18:30 Mercury 3°24' north of Neptune 13.5° West
April 2, 2019 18:54:11 Mercury 23' north of Neptune 25.5° West
April 10, 2019 03:52:24 Venus 18' south of Neptune 32.6° West
May 8, 2019 08:12:50 Mercury 1°23' south of Uranus 14.1° West
May 18, 2019 08:12:13 Venus 1°09' south of Uranus 23.2° West
June 19, 2019 14:34:40 Mercury 14' north of Mars 24.4° East
July 7, 2019 13:33:33 Mercury 3°50' south of Mars 18.4° East
July 24, 2019 10:32:05 Mercury 5°43' south of Venus 5.8° West
August 24, 2019 12:34:05 Venus 19' north of Mars 3.1° East
September 3, 2019 10:44:25 Mercury 42' north of Mars 1.1° West
September 13, 2019 21:35:21 Mercury 20' south of Venus 8.5° East
October 30, 2019 08:29:03 Mercury 2°43' south of Venus 20.3° East
November 24, 2019 14:00:35 Venus 1°24' south of Jupiter 26.2° East
December 11, 2019 04:42:34 Venus 1°49' south of Saturn 30° East

2020

Date Time GMT Planet Angle distance Planet Elongation to Sun
January 27, 2020 19:21 Venus 0°04' south of Neptune 39.5° East
March 9, 2020 14:36 Venus 2°24' north of Uranus 45.4° East
March 20, 2020 06:21 Mars 0°42' south of Jupiter 67.4° West
March 31, 2020 11:56 Mars 0°55' south of Saturn 70.6° West
April 3, 2020 16:17 Mercury 1°24' south of Neptune 25.9° West
May 22, 2020 08:44 Mercury 0°53' south of Venus 18.4° East
June 12, 2020 13:18 Mars 1°44' south of Neptune 91.5° east
December 21, 2020 18:20[1] Jupiter 0°06' north of Saturn 31° East

References

  1. Jones, Graham. "The December 2020 Great Conjunction". timeanddate.com.
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