1.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Tue, 07 Aug 2018 at 11:57 EDT (2,170 days ago) in Aries

2.

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 (2,177 days ago) in Capricornus

3.

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 (2,181 days ago) in Capricornus

4.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Tue, 10 Jul 2018 at 13:19 EDT (2,198 days ago) in Libra

5.

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 (2,211 days ago) in Sagittarius

6.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Tue, 26 Jun 2018 at 17:01 EDT (2,212 days ago) in Capricornus

7.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 18 Jun 2018 at 19:45 EDT (2,220 days ago) in Aquarius

8.

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 (2,259 days ago) in Libra

9.

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, 08 May 2018 at 20:31 EDT (2,261 days ago) in Libra

10.

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. Wed, 18 Apr 2018 at 09:51 EDT (2,281 days ago) in Pisces

11.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Tue, 17 Apr 2018 at 21:48 EDT (2,282 days ago) in Sagittarius

12.

Saturn at aphelion Saturn passes the furthest point along its orbit from the Sun. Sat, 07 Apr 2018 at 14:56 EDT (2,292 days ago) in Sagittarius

13.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Thu, 08 Mar 2018 at 23:45 EDT (2,321 days ago) in Libra

14.

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, 04 Mar 2018 at 08:45 EDT (2,326 days ago) in Aquarius

15.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Tue, 02 Jan 2018 at 10:24 EDT (2,387 days ago) in Pisces

16.

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. Thu, 21 Dec 2017 at 15:59 EDT (2,399 days ago) in Sagittarius

17.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 22 Nov 2017 at 10:12 EDT (2,428 days ago) in Aquarius

18.

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, 26 Oct 2017 at 13:58 EDT (2,455 days ago) in Virgo

19.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Tue, 24 Oct 2017 at 18:19 EDT (2,457 days ago) in Virgo

20.

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, 19 Oct 2017 at 13:26 EDT (2,462 days ago) in Pisces