641.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Mon, 26 Apr 1993 at 05:24 EDT (11,386 days ago) in Sagittarius

642.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Sun, 25 Apr 1993 at 17:35 EDT (11,387 days ago) in Cancer

643.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Thu, 22 Apr 1993 at 18:48 EDT (11,390 days ago) in Sagittarius

644.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Wed, 31 Mar 1993 at 01:40 EDT (11,412 days ago) in Virgo

645.

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, 30 Mar 1993 at 06:53 EDT (11,413 days ago) in Virgo

646.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Mon, 15 Feb 1993 at 02:45 EDT (11,456 days ago) in Gemini

647.

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. Tue, 09 Feb 1993 at 11:00 EDT (11,462 days ago) in Capricornus

648.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Thu, 28 Jan 1993 at 18:16 EDT (11,474 days ago) in Virgo

649.

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. Fri, 08 Jan 1993 at 16:54 EDT (11,494 days ago) in Sagittarius

650.

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, 08 Jan 1993 at 04:00 EDT (11,494 days ago) in Sagittarius

651.

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, 07 Jan 1993 at 17:36 EDT (11,495 days ago) in Gemini

652.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Sun, 03 Jan 1993 at 08:27 EDT (11,499 days ago) in Gemini

653.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Sat, 28 Nov 1992 at 18:28 EDT (11,535 days ago) in Cancer

654.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Thu, 15 Oct 1992 at 22:22 EDT (11,579 days ago) in Capricornus

655.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sun, 27 Sep 1992 at 13:22 EDT (11,597 days ago) in Sagittarius

656.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Tue, 22 Sep 1992 at 19:28 EDT (11,602 days ago) in Sagittarius

657.

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, 17 Sep 1992 at 14:20 EDT (11,607 days ago) in Virgo

658.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 16 Sep 1992 at 22:28 EDT (11,608 days ago) in Virgo

659.

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. Fri, 07 Aug 1992 at 05:44 EDT (11,648 days ago) in Capricornus

660.

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. Thu, 09 Jul 1992 at 09:17 EDT (11,677 days ago) in Sagittarius