161.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Wed, 30 Jan 2013 at 06:26 EDT (4,116 days ago) in Taurus

162.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Thu, 24 Jan 2013 at 03:28 EDT (4,122 days ago) in Capricornus

163.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 13 Dec 2012 at 08:26 EDT (4,164 days ago) in Pisces

164.

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, 02 Dec 2012 at 20:37 EDT (4,175 days ago) in Taurus

165.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Sat, 01 Dec 2012 at 09:50 EDT (4,176 days ago) in Taurus

166.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sun, 11 Nov 2012 at 01:57 EDT (4,196 days ago) in Aquarius

167.

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, 25 Oct 2012 at 04:22 EDT (4,213 days ago) in Virgo

168.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Thu, 04 Oct 2012 at 09:19 EDT (4,234 days ago) in Taurus

169.

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, 29 Sep 2012 at 03:06 EDT (4,239 days ago) in Pisces

170.

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, 24 Aug 2012 at 08:23 EDT (4,275 days ago) in Aquarius

171.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Fri, 13 Jul 2012 at 05:34 EDT (4,317 days ago) in Cetus

172.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Mon, 25 Jun 2012 at 03:47 EDT (4,335 days ago) in Virgo

173.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 04 Jun 2012 at 14:58 EDT (4,356 days ago) in Aquarius

174.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Tue, 15 May 2012 at 16:29 EDT (4,376 days ago) in Taurus

175.

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, 13 May 2012 at 09:11 EDT (4,378 days ago) in Aries

176.

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, 15 Apr 2012 at 14:18 EDT (4,406 days ago) in Virgo

177.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Fri, 13 Apr 2012 at 23:52 EDT (4,408 days ago) in Leo

178.

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, 24 Mar 2012 at 14:11 EDT (4,428 days ago) in Pisces

179.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Mon, 05 Mar 2012 at 11:55 EDT (4,447 days ago) in Leo

180.

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. Sat, 03 Mar 2012 at 15:04 EDT (4,449 days ago) in Leo