1801.

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, 27 Apr 2104 at 17:47 EDT (29,213 days away) in Aries

1802.

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, 31 May 2104 at 16:59 EDT (29,247 days away) in Ophiuchus

1803.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Tue, 03 Jun 2104 at 13:39 EDT (29,250 days away) in Leo

1804.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Fri, 20 Jun 2104 at 04:39 EDT (29,267 days away) in Aquarius

1805.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Sun, 10 Aug 2104 at 21:43 EDT (29,318 days away) in Scorpius

1806.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Sat, 16 Aug 2104 at 22:49 EDT (29,324 days away) in Aries

1807.

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. Tue, 19 Aug 2104 at 14:50 EDT (29,327 days away) in Capricornus

1808.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Tue, 19 Aug 2104 at 21:29 EDT (29,327 days away) in Capricornus

1809.

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. Thu, 18 Sep 2104 at 10:41 EDT (29,357 days away) in Virgo

1810.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Fri, 17 Oct 2104 at 23:02 EDT (29,386 days away) in Capricornus

1811.

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. Sun, 02 Nov 2104 at 00:42 EDT (29,402 days away) in Aries

1812.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Thu, 04 Dec 2104 at 21:36 EDT (29,434 days away) in Ophiuchus

1813.

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, 08 Dec 2104 at 03:49 EDT (29,438 days away) in Ophiuchus

1814.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Tue, 30 Dec 2104 at 02:20 EDT (29,460 days away) in Virgo

1815.

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. Tue, 13 Jan 2105 at 09:30 EDT (29,474 days away) in Sagittarius

1816.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 15 Jan 2105 at 17:13 EDT (29,476 days away) in Aries

1817.

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, 05 Mar 2105 at 03:31 EDT (29,525 days away) in Aquarius

1818.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Thu, 05 Mar 2105 at 10:36 EDT (29,525 days away) in Aquarius

1819.

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, 17 Mar 2105 at 11:36 EDT (29,537 days away) in Virgo

1820.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Thu, 26 Mar 2105 at 02:32 EDT (29,546 days away) in Aquarius