21.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Sun, 25 Aug 2019 at 23:48 EDT (1,757 days ago) in Leo

22.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 28 Aug 2019 at 15:20 EDT (1,754 days ago) in Leo

23.

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. Mon, 02 Sep 2019 at 06:17 EDT (1,749 days ago) in Leo

24.

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, 10 Sep 2019 at 03:15 EDT (1,741 days ago) in Aquarius

25.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Wed, 18 Sep 2019 at 04:25 EDT (1,733 days ago) in Sagittarius

26.

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. Mon, 28 Oct 2019 at 04:07 EDT (1,693 days ago) in Aries

27.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 27 Nov 2019 at 08:58 EDT (1,663 days ago) in Aquarius

28.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 25 Dec 2019 at 16:56 EDT (1,635 days ago) in Sagittarius

29.

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. Fri, 27 Dec 2019 at 13:14 EDT (1,633 days ago) in Sagittarius

30.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Fri, 10 Jan 2020 at 21:53 EDT (1,619 days ago) in Aries

31.

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. Mon, 13 Jan 2020 at 10:06 EDT (1,616 days ago) in Sagittarius

32.

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. Sun, 08 Mar 2020 at 08:14 EDT (1,561 days ago) in Aquarius

33.

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. Sun, 26 Apr 2020 at 04:51 EDT (1,512 days ago) in Aries

34.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sun, 10 May 2020 at 23:38 EDT (1,498 days ago) in Capricornus

35.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Thu, 14 May 2020 at 10:33 EDT (1,494 days ago) in Sagittarius

36.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 22 Jun 2020 at 22:58 EDT (1,455 days ago) in Aquarius

37.

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. Tue, 14 Jul 2020 at 03:50 EDT (1,433 days ago) in Sagittarius

38.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Wed, 15 Jul 2020 at 05:56 EDT (1,432 days ago) in Sagittarius

39.

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, 20 Jul 2020 at 18:19 EDT (1,427 days ago) in Sagittarius

40.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Mon, 03 Aug 2020 at 05:24 EDT (1,413 days ago) in Pisces