1.

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

2.

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

3.

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

4.

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

5.

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. Fri, 30 Apr 2021 at 12:44 PDT (1,530 days ago) in Aries

6.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sun, 23 May 2021 at 02:36 PDT (1,507 days ago) in Capricornus

7.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Sun, 20 Jun 2021 at 08:07 PDT (1,479 days ago) in Aquarius

8.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 25 Jun 2021 at 10:08 PDT (1,474 days ago) in Aquarius

9.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Mon, 12 Jul 2021 at 18:36 PDT (1,457 days ago) in Leo

10.

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. Sun, 01 Aug 2021 at 23:06 PDT (1,437 days ago) in Capricornus

11.

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. Thu, 19 Aug 2021 at 17:20 PDT (1,419 days ago) in Capricornus

12.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Thu, 19 Aug 2021 at 17:57 PDT (1,419 days ago) in Aries

13.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Thu, 19 Aug 2021 at 22:25 PDT (1,419 days ago) in Capricornus

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. Tue, 14 Sep 2021 at 02:12 PDT (1,393 days ago) in Aquarius

15.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Mon, 20 Sep 2021 at 04:33 PDT (1,387 days ago) in Virgo

16.

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. Thu, 07 Oct 2021 at 20:35 PDT (1,370 days ago) in Virgo

17.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Sun, 10 Oct 2021 at 19:41 PDT (1,367 days ago) in Capricornus

18.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Sun, 17 Oct 2021 at 22:13 PDT (1,360 days ago) in Capricornus

19.

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, 04 Nov 2021 at 16:49 PDT (1,342 days ago) in Aries

20.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 01 Dec 2021 at 05:10 PDT (1,315 days ago) in Aquarius