21.

Jupiter at aphelion Jupiter passes the furthest point along its orbit from the Sun. Thu, 16 Feb 2017 at 05:07 EDT (2,632 days ago) in Virgo

22.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Mon, 06 Feb 2017 at 01:42 EDT (2,642 days ago) in Virgo

23.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 29 Dec 2016 at 05:14 EDT (2,681 days ago) in Pisces

24.

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, 10 Dec 2016 at 06:41 EDT (2,700 days ago) in Ophiuchus

25.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sat, 19 Nov 2016 at 23:51 EDT (2,720 days ago) in Aquarius

26.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Sat, 29 Oct 2016 at 10:10 EDT (2,742 days ago) in Sagittarius

27.

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. Sat, 15 Oct 2016 at 06:35 EDT (2,756 days ago) in Pisces

28.

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 Sep 2016 at 02:48 EDT (2,775 days ago) in Virgo

29.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Sun, 25 Sep 2016 at 03:31 EDT (2,776 days ago) in Virgo

30.

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, 02 Sep 2016 at 12:29 EDT (2,799 days ago) in Aquarius

31.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Sat, 13 Aug 2016 at 05:59 EDT (2,819 days ago) in Ophiuchus

32.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Fri, 29 Jul 2016 at 16:25 EDT (2,834 days ago) in Pisces

33.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Wed, 29 Jun 2016 at 19:39 EDT (2,864 days ago) in Libra

34.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 13 Jun 2016 at 17:26 EDT (2,880 days ago) in Aquarius

35.

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. Fri, 03 Jun 2016 at 02:29 EDT (2,890 days ago) in Ophiuchus

36.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Mon, 30 May 2016 at 17:29 EDT (2,894 days ago) in Libra

37.

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. Sun, 22 May 2016 at 07:10 EDT (2,902 days ago) in Scorpius

38.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Mon, 09 May 2016 at 08:26 EDT (2,915 days ago) in Leo

39.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Sun, 17 Apr 2016 at 08:17 EDT (2,937 days ago) in Ophiuchus

40.

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. Sat, 09 Apr 2016 at 17:17 EDT (2,945 days ago) in Pisces