81.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Tue, 24 Oct 2017 at 15:19 PDT (2,817 days ago) in Virgo

82.

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, 19 Oct 2017 at 10:26 PDT (2,822 days ago) in Pisces

83.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Sat, 07 Oct 2017 at 16:43 PDT (2,834 days ago) in Leo

84.

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, 04 Sep 2017 at 22:19 PDT (2,867 days ago) in Aquarius

85.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Fri, 25 Aug 2017 at 04:39 PDT (2,877 days ago) in Ophiuchus

86.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Sat, 05 Aug 2017 at 03:39 PDT (2,897 days ago) in Cancer

87.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Wed, 02 Aug 2017 at 22:08 PDT (2,900 days ago) in Pisces

88.

Mars at solar conjunction Mars 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, 26 Jul 2017 at 17:30 PDT (2,907 days ago) in Cancer

89.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 16 Jun 2017 at 04:41 PDT (2,947 days ago) in Aquarius

90.

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. Thu, 15 Jun 2017 at 03:09 PDT (2,948 days ago) in Ophiuchus

91.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Fri, 09 Jun 2017 at 07:12 PDT (2,954 days ago) in Virgo

92.

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. Thu, 13 Apr 2017 at 22:21 PDT (3,011 days ago) in Pisces

93.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Sat, 08 Apr 2017 at 14:23 PDT (3,016 days ago) in Virgo

94.

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. Fri, 07 Apr 2017 at 14:31 PDT (3,017 days ago) in Virgo

95.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Wed, 05 Apr 2017 at 22:18 PDT (3,019 days ago) in Sagittarius

96.

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, 01 Mar 2017 at 18:35 PDT (3,054 days ago) in Aquarius

97.

Jupiter at aphelion Jupiter passes the furthest point along its orbit from the Sun. Thu, 16 Feb 2017 at 02:07 PDT (3,067 days ago) in Virgo

98.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Sun, 05 Feb 2017 at 22:42 PDT (3,078 days ago) in Virgo

99.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 29 Dec 2016 at 02:14 PDT (3,116 days ago) in Pisces

100.

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. Sat, 10 Dec 2016 at 03:41 PDT (3,135 days ago) in Ophiuchus