501.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Tue, 23 Jan 2046 at 22:23 EDT (7,878 days away) in Aries

502.

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, 17 Feb 2046 at 21:26 EDT (7,903 days away) in Leo

503.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Sat, 10 Mar 2046 at 21:13 EDT (7,924 days away) in Virgo

504.

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, 15 Mar 2046 at 10:19 EDT (7,929 days away) in Pisces

505.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Fri, 16 Mar 2046 at 02:18 EDT (7,930 days away) in Pisces

506.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sun, 01 Apr 2046 at 11:02 EDT (7,946 days away) in Ophiuchus

507.

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. Tue, 17 Apr 2046 at 14:00 EDT (7,962 days away) in Virgo

508.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Tue, 24 Apr 2046 at 00:26 EDT (7,969 days away) in Virgo

509.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Fri, 04 May 2046 at 15:29 EDT (7,979 days away) in Leo

510.

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. Sun, 06 May 2046 at 23:49 EDT (7,981 days away) in Aries

511.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Mon, 28 May 2046 at 11:29 EDT (8,003 days away) in Virgo

512.

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. Sun, 10 Jun 2046 at 11:14 EDT (8,016 days away) in Ophiuchus

513.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Wed, 08 Aug 2046 at 00:14 EDT (8,075 days away) in Pisces

514.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Mon, 20 Aug 2046 at 14:44 EDT (8,087 days away) in Ophiuchus

515.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Wed, 22 Aug 2046 at 10:03 EDT (8,089 days away) in Aries

516.

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, 24 Aug 2046 at 20:02 EDT (8,091 days away) in Leo

517.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Fri, 05 Oct 2046 at 23:21 EDT (8,133 days away) in Pisces

518.

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, 06 Oct 2046 at 21:21 EDT (8,134 days away) in Pisces

519.

Jupiter at perihelion Jupiter passes its orbit's closest point to the Sun. Tue, 30 Oct 2046 at 15:42 EDT (8,158 days away) in Cetus

520.

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. Fri, 09 Nov 2046 at 23:35 EDT (8,169 days away) in Aries