521.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Mon, 03 Dec 2046 at 07:01 EDT (8,191 days away) in Capricornus

522.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Mon, 03 Dec 2046 at 20:05 EDT (8,191 days away) in Cetus

523.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Tue, 11 Dec 2046 at 10:23 EDT (8,199 days away) in Leo

524.

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, 17 Dec 2046 at 05:57 EDT (8,205 days away) in Ophiuchus

525.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sat, 26 Jan 2047 at 09:58 EDT (8,245 days away) in Aries

526.

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. Fri, 22 Feb 2047 at 20:41 EDT (8,272 days away) in Leo

527.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sat, 13 Apr 2047 at 07:23 EDT (8,322 days away) in Sagittarius

528.

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. Mon, 22 Apr 2047 at 00:25 EDT (8,331 days away) in Aries

529.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Tue, 23 Apr 2047 at 21:16 EDT (8,332 days away) in Aries

530.

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, 09 May 2047 at 13:38 EDT (8,348 days away) in Aries

531.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 09 May 2047 at 16:44 EDT (8,348 days away) in Leo

532.

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, 22 Jun 2047 at 15:00 EDT (8,392 days away) in Sagittarius

533.

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. Mon, 24 Jun 2047 at 22:27 EDT (8,394 days away) in Gemini

534.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 17 Jul 2047 at 16:34 EDT (8,417 days away) in Gemini

535.

Saturn at aphelion Saturn passes the furthest point along its orbit from the Sun. Sat, 20 Jul 2047 at 19:36 EDT (8,420 days away) in Sagittarius

536.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Sat, 24 Aug 2047 at 22:19 EDT (8,455 days away) in Aries

537.

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, 30 Aug 2047 at 00:25 EDT (8,461 days away) in Leo

538.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Sun, 01 Sep 2047 at 14:23 EDT (8,463 days away) in Sagittarius

539.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Sat, 14 Sep 2047 at 08:32 EDT (8,476 days away) in Taurus

540.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Mon, 11 Nov 2047 at 12:09 EDT (8,534 days away) in Aries