801.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Wed, 19 Aug 1987 at 05:14 EDT (13,484 days ago) in Ophiuchus

802.

Jupiter at perihelion Jupiter passes its orbit's closest point to the Sun. Sun, 12 Jul 1987 at 15:33 EDT (13,522 days ago) in Pisces

803.

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. Sun, 28 Jun 1987 at 16:38 EDT (13,536 days ago) in Sagittarius

804.

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. Tue, 16 Jun 1987 at 05:39 EDT (13,548 days ago) in Ophiuchus

805.

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 Jun 1987 at 01:12 EDT (13,555 days ago) in Ophiuchus

806.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Thu, 09 Apr 1987 at 21:12 EDT (13,616 days ago) in Sagittarius

807.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Tue, 31 Mar 1987 at 23:52 EDT (13,624 days ago) in Sagittarius

808.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Tue, 31 Mar 1987 at 00:03 EDT (13,625 days ago) in Ophiuchus

809.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Fri, 27 Mar 1987 at 22:44 EDT (13,629 days ago) in Pisces

810.

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, 26 Mar 1987 at 19:44 EDT (13,630 days ago) in Pisces

811.

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. Sat, 27 Dec 1986 at 08:55 EDT (13,719 days ago) in Sagittarius

812.

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, 14 Dec 1986 at 15:34 EDT (13,732 days ago) in Ophiuchus

813.

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. Thu, 04 Dec 1986 at 10:47 EDT (13,742 days ago) in Ophiuchus

814.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Sat, 08 Nov 1986 at 04:34 EDT (13,768 days ago) in Aquarius

815.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Thu, 25 Sep 1986 at 10:04 EDT (13,812 days ago) in Sagittarius

816.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sun, 14 Sep 1986 at 15:54 EDT (13,823 days ago) in Sagittarius

817.

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. Wed, 10 Sep 1986 at 17:08 EDT (13,827 days ago) in Aquarius

818.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Wed, 10 Sep 1986 at 09:05 EDT (13,827 days ago) in Aquarius

819.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Wed, 27 Aug 1986 at 17:37 EDT (13,841 days ago) in Ophiuchus

820.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Tue, 12 Aug 1986 at 03:45 EDT (13,856 days ago) in Sagittarius