401.

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, 16 Apr 2041 at 08:13 EDT (6,134 days away) in Virgo

402.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Wed, 17 Apr 2041 at 11:39 EDT (6,135 days away) in Virgo

403.

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, 25 Apr 2041 at 04:59 EDT (6,143 days away) in Aries

404.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Tue, 18 Jun 2041 at 02:22 EDT (6,197 days away) in Virgo

405.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Wed, 19 Jun 2041 at 21:00 EDT (6,198 days away) in Virgo

406.

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, 31 Jul 2041 at 00:31 EDT (6,240 days away) in Cancer

407.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Sat, 10 Aug 2041 at 14:36 EDT (6,250 days away) in Aries

408.

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, 20 Oct 2041 at 04:57 EDT (6,321 days away) in Virgo

409.

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, 29 Oct 2041 at 13:53 EDT (6,330 days away) in Aries

410.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Sat, 02 Nov 2041 at 04:10 EDT (6,334 days away) in Libra

411.

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. Mon, 04 Nov 2041 at 01:22 EDT (6,336 days away) in Libra

412.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Sun, 17 Nov 2041 at 12:48 EDT (6,349 days away) in Cancer

413.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Sat, 28 Dec 2041 at 00:39 EDT (6,390 days away) in Leo

414.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 15 Jan 2042 at 01:09 EDT (6,408 days away) in Aries

415.

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, 30 Jan 2042 at 06:27 EDT (6,423 days away) in Cancer

416.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Wed, 05 Feb 2042 at 02:50 EDT (6,429 days away) in Leo

417.

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. Thu, 06 Feb 2042 at 06:58 EDT (6,430 days away) in Leo

418.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Thu, 13 Feb 2042 at 17:38 EDT (6,437 days away) in Virgo

419.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Mon, 17 Mar 2042 at 22:42 EDT (6,469 days away) in Libra

420.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Tue, 18 Mar 2042 at 15:50 EDT (6,470 days away) in Cancer