381.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Mon, 14 Feb 2039 at 21:27 EDT (5,343 days away) in Leo

382.

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, 15 Feb 2039 at 02:54 EDT (5,344 days away) in Leo

383.

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, 16 Mar 2039 at 12:04 EDT (5,373 days away) in Virgo

384.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Fri, 01 Apr 2039 at 19:51 EDT (5,389 days away) in Gemini

385.

Saturn ring plane crossing Saturn's seasons are changing, making its rings appear edge-on from the Earth. Fri, 01 Apr 2039 at 20:22 EDT (5,389 days away) in Virgo

386.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Sun, 17 Apr 2039 at 10:47 EDT (5,405 days away) in Leo

387.

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. Thu, 21 Apr 2039 at 02:43 EDT (5,409 days away) in Pisces

388.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Tue, 24 May 2039 at 23:28 EDT (5,442 days away) in Leo

389.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Thu, 26 May 2039 at 07:03 EDT (5,444 days away) in Pisces

390.

Saturn ring plane crossing Saturn's seasons are changing, making its rings appear edge-on from the Earth. Sat, 09 Jul 2039 at 10:05 EDT (5,488 days away) in Virgo

391.

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. Thu, 21 Jul 2039 at 19:01 EDT (5,500 days away) in Cancer

392.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Sat, 06 Aug 2039 at 12:56 EDT (5,516 days away) in Aries

393.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Sun, 04 Sep 2039 at 08:50 EDT (5,545 days away) in Leo

394.

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. Sun, 04 Sep 2039 at 13:52 EDT (5,545 days away) in Leo

395.

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. Sun, 25 Sep 2039 at 11:58 EDT (5,566 days away) in Virgo

396.

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, 25 Oct 2039 at 14:15 EDT (5,596 days away) in Pisces

397.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Tue, 08 Nov 2039 at 15:55 EDT (5,610 days away) in Cancer

398.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Wed, 23 Nov 2039 at 15:48 EDT (5,625 days away) in Gemini

399.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Wed, 28 Dec 2039 at 09:40 EDT (5,660 days away) in Gemini

400.

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. Mon, 02 Jan 2040 at 10:21 EDT (5,665 days away) in Gemini