521.

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. Fri, 23 Oct 1998 at 14:41 EDT (9,377 days ago) in Pisces

522.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Sun, 18 Oct 1998 at 16:23 EDT (9,382 days ago) in Capricornus

523.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sun, 11 Oct 1998 at 10:39 EDT (9,389 days ago) in Sagittarius

524.

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, 15 Sep 1998 at 22:54 EDT (9,415 days ago) in Aquarius

525.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Tue, 15 Sep 1998 at 12:57 EDT (9,415 days ago) in Aquarius

526.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sat, 15 Aug 1998 at 15:00 EDT (9,446 days ago) in Cetus

527.

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. Mon, 03 Aug 1998 at 03:04 EDT (9,458 days ago) in Capricornus

528.

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. Thu, 23 Jul 1998 at 16:11 EDT (9,469 days ago) in Capricornus

529.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Fri, 17 Jul 1998 at 21:47 EDT (9,475 days ago) in Pisces

530.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Sun, 21 Jun 1998 at 08:40 EDT (9,501 days ago) in Taurus

531.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Sun, 17 May 1998 at 10:42 EDT (9,536 days ago) in Capricornus

532.

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, 12 May 1998 at 15:12 EDT (9,541 days ago) in Aries

533.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 04 May 1998 at 07:13 EDT (9,549 days ago) in Capricornus

534.

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, 13 Apr 1998 at 07:31 EDT (9,570 days ago) in Pisces

535.

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, 23 Feb 1998 at 03:39 EDT (9,619 days ago) in Aquarius

536.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Mon, 23 Feb 1998 at 02:29 EDT (9,619 days ago) in Aquarius

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. Wed, 28 Jan 1998 at 14:59 EDT (9,645 days ago) in Capricornus

538.

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. Mon, 19 Jan 1998 at 17:25 EDT (9,654 days ago) in Sagittarius

539.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Wed, 07 Jan 1998 at 06:16 EDT (9,666 days ago) in Capricornus

540.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Tue, 16 Dec 1997 at 05:50 EDT (9,688 days ago) in Pisces