301.

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 02:08 EDT (14,941 days ago) in Leo Minor

302.

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 08:01 EDT (14,950 days ago) in Piscis Austrinus

303.

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 02:03 EDT (15,079 days ago) in Cetus

304.

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 08:25 EDT (15,104 days ago) in Coma Berenices

305.

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 03:18 EDT (15,127 days ago) in Leo Minor

306.

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 05:04 EDT (15,177 days ago) in Sagittarius

307.

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 06:38 EDT (15,258 days ago) in Cetus

308.

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 21:19 EDT (15,284 days ago) in Coma Berenices

309.

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 16:58 EDT (15,308 days ago) in Leo Minor

310.

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. Sat, 08 May 1982 at 17:23 EDT (15,411 days ago) in Libra

311.

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. Sun, 04 Apr 1982 at 14:03 EDT (15,445 days ago) in Cetus

312.

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. Wed, 10 Mar 1982 at 04:13 EDT (15,470 days ago) in Coma Berenices

313.

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. Sun, 14 Feb 1982 at 19:27 EDT (15,494 days ago) in Leo Minor

314.

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. Wed, 07 Oct 1981 at 18:38 EDT (15,624 days ago) in Cetus

315.

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. Sun, 13 Sep 1981 at 15:02 EDT (15,648 days ago) in Leo

316.

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. Fri, 11 Sep 1981 at 16:34 EDT (15,650 days ago) in Leo

317.

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. Tue, 18 Aug 1981 at 07:53 EDT (15,674 days ago) in Leo Minor

318.

1 Ceres at perihelion 1 Ceres passes its orbit's closest point to the Sun. Sat, 27 Jun 1981 at 18:43 EDT (15,726 days ago) in Leo

319.

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. Sat, 04 Apr 1981 at 02:07 EDT (15,810 days ago) in Cetus

320.

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. Mon, 09 Mar 1981 at 00:00 EDT (15,836 days ago) in Leo