1.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 21 Jun 2019 at 10:13 EDT (1,761 days ago) in Aquarius

2.

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. Tue, 09 Jul 2019 at 12:59 EDT (1,743 days ago) in Sagittarius

3.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Sun, 11 Aug 2019 at 09:47 EDT (1,710 days ago) in Ophiuchus

4.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Sun, 11 Aug 2019 at 21:53 EDT (1,710 days ago) in Aries

5.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Sun, 25 Aug 2019 at 23:48 EDT (1,696 days ago) in Leo

6.

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 (1,693 days ago) in Leo

7.

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 (1,688 days ago) in Leo

8.

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 (1,680 days ago) in Aquarius

9.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Wed, 18 Sep 2019 at 04:25 EDT (1,672 days ago) in Sagittarius

10.

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 (1,632 days ago) in Aries

11.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 27 Nov 2019 at 08:58 EDT (1,602 days ago) in Aquarius

12.

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 (1,574 days ago) in Sagittarius

13.

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 (1,572 days ago) in Sagittarius

14.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Fri, 10 Jan 2020 at 21:53 EDT (1,558 days ago) in Aries

15.

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 (1,555 days ago) in Sagittarius

16.

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 (1,500 days ago) in Aquarius

17.

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 (1,451 days ago) in Aries

18.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sun, 10 May 2020 at 23:38 EDT (1,437 days ago) in Capricornus

19.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Thu, 14 May 2020 at 10:33 EDT (1,433 days ago) in Sagittarius

20.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 22 Jun 2020 at 22:58 EDT (1,394 days ago) in Aquarius