1.

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 15:52 PDT (1,581 days ago) in Aquarius

2.

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 17:28 PDT (1,622 days ago) in Capricornus

3.

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 18:16 PDT (1,623 days ago) in Capricornus

4.

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 18:51 PDT (1,627 days ago) in Capricornus

5.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 14 Jan 2021 at 01:12 PDT (1,636 days ago) in Aries

6.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sat, 28 Nov 2020 at 16:57 PDT (1,683 days ago) in Aquarius

7.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Fri, 13 Nov 2020 at 16:35 PDT (1,698 days ago) in Pisces

8.

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, 31 Oct 2020 at 08:45 PDT (1,711 days ago) in Aries

9.

The Great Conjunction of 2020 In December, Jupiter and Saturn will make their closest approach since the year 1623. Tue, 20 Oct 2020 (1,721 days ago)

10.

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. Tue, 13 Oct 2020 at 16:19 PDT (1,729 days ago) in Pisces

11.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Tue, 06 Oct 2020 at 07:13 PDT (1,736 days ago) in Pisces

12.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Mon, 28 Sep 2020 at 21:44 PDT (1,744 days ago) in Sagittarius

13.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Sat, 12 Sep 2020 at 17:47 PDT (1,760 days ago) in Sagittarius

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. Fri, 11 Sep 2020 at 13:17 PDT (1,761 days ago) in Aquarius

15.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Wed, 09 Sep 2020 at 15:21 PDT (1,763 days ago) in Pisces

16.

Mars 2020: a great chance to see the red planet The coming opposition of Mars will be the best opportunity to observe it for many years to come. Sat, 22 Aug 2020 (1,780 days ago)

17.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Sat, 15 Aug 2020 at 06:40 PDT (1,788 days ago) in Aries

18.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Mon, 03 Aug 2020 at 02:24 PDT (1,800 days ago) in Pisces

19.

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 15:19 PDT (1,814 days ago) in Sagittarius

20.

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 02:56 PDT (1,819 days ago) in Sagittarius