401.

134340 Pluto at opposition 134340 Pluto lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Fri, 20 Apr 1984 at 14:02 EDT (14,681 days ago) in Virgo

402.

136199 Eris at solar conjunction 136199 Eris 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, 04 Apr 1984 at 13:42 EDT (14,697 days ago) in Cetus

403.

1 Ceres at solar conjunction 1 Ceres 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, 21 Mar 1984 at 08:24 EDT (14,711 days ago) in Cetus

404.

136108 Haumea at opposition 136108 Haumea lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Sun, 11 Mar 1984 at 12:54 EDT (14,721 days ago) in Coma Berenices

405.

136472 Makemake at opposition 136472 Makemake lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Fri, 17 Feb 1984 at 11:35 EDT (14,744 days ago) in Leo Minor

406.

134340 Pluto at solar conjunction 134340 Pluto 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, 23 Oct 1983 at 09:47 EDT (14,861 days ago) in Virgo

407.

1 Ceres at aphelion 1 Ceres passes the furthest point along its orbit from the Sun. Thu, 13 Oct 1983 at 01:14 EDT (14,871 days ago) in Microscopium

408.

136199 Eris at opposition 136199 Eris lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Sat, 08 Oct 1983 at 18:26 EDT (14,876 days ago) in Cetus

409.

136108 Haumea at solar conjunction 136108 Haumea 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, 14 Sep 1983 at 02:31 EDT (14,900 days ago) in Coma Berenices

410.

136472 Makemake at solar conjunction 136472 Makemake 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, 21 Aug 1983 at 02:40 EDT (14,924 days ago) in Leo Minor

411.

1 Ceres at opposition 1 Ceres lies in the opposite direction to the Sun in the sky, making it closer and brighter than at other times. It is also optimally positioned to be observable for much of the night. Fri, 12 Aug 1983 at 19:10 EDT (14,933 days ago) in Piscis Austrinus

412.

134340 Pluto at opposition 134340 Pluto lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Mon, 18 Apr 1983 at 16:09 EDT (15,049 days ago) in Virgo

413.

136199 Eris at solar conjunction 136199 Eris 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, 05 Apr 1983 at 01:54 EDT (15,062 days ago) in Cetus

414.

136108 Haumea at opposition 136108 Haumea lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Fri, 11 Mar 1983 at 08:51 EDT (15,087 days ago) in Coma Berenices

415.

136472 Makemake at opposition 136472 Makemake lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Wed, 16 Feb 1983 at 03:49 EDT (15,110 days ago) in Leo Minor

416.

1 Ceres at solar conjunction 1 Ceres 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, 28 Dec 1982 at 15:58 EDT (15,160 days ago) in Sagittarius

417.

134340 Pluto at solar conjunction 134340 Pluto 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, 20 Oct 1982 at 13:04 EDT (15,229 days ago) in Virgo

418.

136199 Eris at opposition 136199 Eris lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Fri, 08 Oct 1982 at 06:29 EDT (15,241 days ago) in Cetus

419.

136108 Haumea at solar conjunction 136108 Haumea 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, 12 Sep 1982 at 21:46 EDT (15,267 days ago) in Coma Berenices

420.

136472 Makemake at solar conjunction 136472 Makemake 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, 19 Aug 1982 at 17:31 EDT (15,291 days ago) in Leo Minor