1.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Tue, 11 Jun 2019 at 23:03 EDT (1,774 days ago) in Ophiuchus

2.

Jupiter at opposition Jupiter 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. Mon, 10 Jun 2019 at 11:20 EDT (1,775 days ago) in Ophiuchus

3.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Mon, 29 Apr 2019 at 21:16 EDT (1,817 days ago) in Sagittarius

4.

Uranus at solar conjunction Uranus 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, 22 Apr 2019 at 18:57 EDT (1,824 days ago) in Aries

5.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Wed, 10 Apr 2019 at 12:52 EDT (1,836 days ago) in Ophiuchus

6.

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 (1,871 days ago) in Aquarius

7.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Sun, 06 Jan 2019 at 16:06 EDT (1,930 days ago) in Pisces

8.

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 (1,934 days ago) in Sagittarius

9.

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 (1,971 days ago) in Scorpius

10.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sat, 24 Nov 2018 at 21:48 EDT (1,973 days ago) in Aquarius

11.

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 (1,974 days ago) in Scorpius

12.

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 (2,005 days ago) in Aries

13.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Sun, 16 Sep 2018 at 08:53 EDT (2,042 days ago) in Capricornus

14.

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 (2,051 days ago) in Aquarius

15.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Thu, 06 Sep 2018 at 07:19 EDT (2,052 days ago) in Sagittarius

16.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Mon, 27 Aug 2018 at 10:01 EDT (2,062 days ago) in Sagittarius

17.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Tue, 07 Aug 2018 at 11:57 EDT (2,082 days ago) in Aries

18.

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 (2,089 days ago) in Capricornus

19.

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 (2,093 days ago) in Capricornus

20.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Tue, 10 Jul 2018 at 13:19 EDT (2,110 days ago) in Libra