181.

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, 12 Dec 2030 at 15:27 EDT (2,428 days away) in Taurus

182.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sat, 21 Dec 2030 at 16:47 EDT (2,437 days away) in Cetus

183.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Sat, 01 Feb 2031 at 21:37 EDT (2,479 days away) in Taurus

184.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Tue, 25 Feb 2031 at 05:44 EDT (2,503 days away) in Taurus

185.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Fri, 28 Mar 2031 at 20:33 EDT (2,534 days away) in Libra

186.

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. Wed, 02 Apr 2031 at 19:45 EDT (2,539 days away) in Pisces

187.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Tue, 15 Apr 2031 at 08:07 EDT (2,552 days away) in Sagittarius

188.

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. Sun, 04 May 2031 at 07:57 EDT (2,571 days away) in Libra

189.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Sun, 11 May 2031 at 23:43 EDT (2,578 days away) in Libra

190.

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. Mon, 02 Jun 2031 at 22:48 EDT (2,600 days away) in Taurus

191.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Fri, 13 Jun 2031 at 07:54 EDT (2,611 days away) in Virgo

192.

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. Sat, 14 Jun 2031 at 01:34 EDT (2,612 days away) in Taurus

193.

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. Sun, 15 Jun 2031 at 05:12 EDT (2,613 days away) in Ophiuchus

194.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Mon, 16 Jun 2031 at 16:34 EDT (2,614 days away) in Ophiuchus

195.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Sat, 19 Jul 2031 at 01:36 EDT (2,647 days away) in Pisces

196.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Sat, 16 Aug 2031 at 00:56 EDT (2,675 days away) in Ophiuchus

197.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Thu, 02 Oct 2031 at 23:08 EDT (2,722 days away) in Taurus

198.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sun, 05 Oct 2031 at 06:46 EDT (2,725 days away) in Taurus

199.

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, 07 Oct 2031 at 12:13 EDT (2,727 days away) in Pisces

200.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Sun, 16 Nov 2031 at 04:03 EDT (2,767 days away) in Sagittarius