461.

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, 07 May 2000 at 23:57 EDT (8,778 days ago) in Aries

462.

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, 06 Feb 2000 at 02:05 EDT (8,869 days ago) in Capricornus

463.

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. Mon, 24 Jan 2000 at 12:59 EDT (8,882 days ago) in Capricornus

464.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Tue, 11 Jan 2000 at 23:45 EDT (8,894 days ago) in Aries

465.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Mon, 20 Dec 1999 at 09:58 EDT (8,917 days ago) in Pisces

466.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Thu, 25 Nov 1999 at 09:15 EDT (8,942 days ago) in Capricornus

467.

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. Sat, 06 Nov 1999 at 08:44 EDT (8,961 days ago) in Aries

468.

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. Sat, 23 Oct 1999 at 14:56 EDT (8,975 days ago) in Pisces

469.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Sat, 23 Oct 1999 at 01:11 EDT (8,975 days ago) in Capricornus

470.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Fri, 22 Oct 1999 at 10:06 EDT (8,976 days ago) in Pisces

471.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 13 Oct 1999 at 21:34 EDT (8,985 days ago) in Capricornus

472.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sun, 29 Aug 1999 at 21:51 EDT (9,030 days ago) in Aries

473.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Tue, 24 Aug 1999 at 22:38 EDT (9,035 days ago) in Aries

474.

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. Sat, 07 Aug 1999 at 14:29 EDT (9,052 days ago) in Capricornus

475.

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. Mon, 26 Jul 1999 at 05:23 EDT (9,064 days ago) in Capricornus

476.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Fri, 04 Jun 1999 at 02:11 EDT (9,116 days ago) in Virgo

477.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Fri, 21 May 1999 at 18:31 EDT (9,130 days ago) in Capricornus

478.

Jupiter at perihelion Jupiter passes its orbit's closest point to the Sun. Wed, 19 May 1999 at 15:30 EDT (9,132 days ago) in Pisces

479.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Thu, 06 May 1999 at 20:21 EDT (9,145 days ago) in Capricornus

480.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Sat, 01 May 1999 at 13:21 EDT (9,150 days ago) in Virgo