1.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Wed, 10 Apr 2019 at 12:52 EDT (1,854 days ago) in Ophiuchus

2.

Neptune at solar conjunction Neptune is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 06 Mar 2019 at 19:51 EDT (1,889 days ago) in Aquarius

3.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Sun, 06 Jan 2019 at 16:06 EDT (1,948 days ago) in Pisces

4.

Saturn at solar conjunction Saturn is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 02 Jan 2019 at 00:40 EDT (1,952 days ago) in Sagittarius

5.

Jupiter at solar conjunction Jupiter is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 26 Nov 2018 at 01:22 EDT (1,989 days ago) in Scorpius

6.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sat, 24 Nov 2018 at 21:48 EDT (1,991 days ago) in Aquarius

7.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Fri, 23 Nov 2018 at 22:38 EDT (1,992 days ago) in Scorpius

8.

Uranus at opposition Uranus lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Tue, 23 Oct 2018 at 20:38 EDT (2,023 days ago) in Aries

9.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Sun, 16 Sep 2018 at 08:53 EDT (2,060 days ago) in Capricornus

10.

Neptune at opposition Neptune lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Fri, 07 Sep 2018 at 14:18 EDT (2,069 days ago) in Aquarius

11.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Thu, 06 Sep 2018 at 07:19 EDT (2,070 days ago) in Sagittarius

12.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Mon, 27 Aug 2018 at 10:01 EDT (2,080 days ago) in Sagittarius

13.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Tue, 07 Aug 2018 at 11:57 EDT (2,100 days ago) in Aries

14.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Tue, 31 Jul 2018 at 03:44 EDT (2,107 days ago) in Capricornus

15.

Mars at opposition Mars lies in the opposite direction to the Sun in the sky, making it closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Fri, 27 Jul 2018 at 01:06 EDT (2,111 days ago) in Capricornus

16.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Tue, 10 Jul 2018 at 13:19 EDT (2,128 days ago) in Libra

17.

Saturn at opposition Saturn lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Wed, 27 Jun 2018 at 09:20 EDT (2,141 days ago) in Sagittarius

18.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Tue, 26 Jun 2018 at 17:01 EDT (2,142 days ago) in Capricornus

19.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 18 Jun 2018 at 19:45 EDT (2,150 days ago) in Aquarius

20.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Thu, 10 May 2018 at 07:53 EDT (2,189 days ago) in Libra