1.

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. Sat, 23 Jan 2021 at 21:51 EDT (1,191 days ago) in Capricornus

2.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 27 Jan 2021 at 21:16 EDT (1,187 days ago) in Capricornus

3.

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. Thu, 28 Jan 2021 at 20:28 EDT (1,186 days ago) in Capricornus

4.

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, 10 Mar 2021 at 18:52 EDT (1,145 days ago) in Aquarius

5.

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. Fri, 30 Apr 2021 at 15:44 EDT (1,094 days ago) in Aries

6.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sun, 23 May 2021 at 05:36 EDT (1,071 days ago) in Capricornus

7.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Sun, 20 Jun 2021 at 11:07 EDT (1,043 days ago) in Aquarius

8.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 25 Jun 2021 at 13:08 EDT (1,038 days ago) in Aquarius

9.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Mon, 12 Jul 2021 at 21:36 EDT (1,021 days ago) in Leo

10.

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. Mon, 02 Aug 2021 at 02:06 EDT (1,000 days ago) in Capricornus

11.

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. Thu, 19 Aug 2021 at 20:20 EDT (983 days ago) in Capricornus

12.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Thu, 19 Aug 2021 at 20:57 EDT (983 days ago) in Aries

13.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Fri, 20 Aug 2021 at 01:25 EDT (982 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. Tue, 14 Sep 2021 at 05:12 EDT (957 days ago) in Aquarius

15.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Mon, 20 Sep 2021 at 07:33 EDT (951 days ago) in Virgo

16.

Mars at solar conjunction Mars is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Thu, 07 Oct 2021 at 23:35 EDT (934 days ago) in Virgo

17.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Sun, 10 Oct 2021 at 22:41 EDT (931 days ago) in Capricornus

18.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Mon, 18 Oct 2021 at 01:13 EDT (923 days ago) in Capricornus

19.

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. Thu, 04 Nov 2021 at 19:49 EDT (906 days ago) in Aries

20.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 01 Dec 2021 at 08:10 EDT (879 days ago) in Aquarius