281.

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 (15,206 days ago) in Sagittarius

282.

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 (15,287 days ago) in Cetus

283.

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 (15,313 days ago) in Coma Berenices

284.

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 (15,337 days ago) in Leo Minor

285.

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 (15,440 days ago) in Libra

286.

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 (15,474 days ago) in Cetus

287.

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 (15,499 days ago) in Coma Berenices

288.

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 (15,523 days ago) in Leo Minor

289.

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 (15,653 days ago) in Cetus

290.

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 (15,677 days ago) in Leo

291.

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 (15,679 days ago) in Leo

292.

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 (15,703 days ago) in Leo Minor

293.

1 Ceres at perihelion 1 Ceres passes its orbit's closest point to the Sun. Sat, 27 Jun 1981 at 18:43 EDT (15,755 days ago) in Leo

294.

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 (15,839 days ago) in Cetus

295.

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 (15,865 days ago) in Leo

296.

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, 13 Feb 1981 at 11:21 EDT (15,889 days ago) in Leo Minor

297.

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. Thu, 08 Jan 1981 at 23:49 EDT (15,924 days ago) in Gemini

298.

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. Tue, 07 Oct 1980 at 06:41 EDT (16,018 days ago) in Cetus

299.

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, 10 Sep 1980 at 11:47 EDT (16,045 days ago) in Leo

300.

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. Sat, 16 Aug 1980 at 22:26 EDT (16,070 days ago) in Leo Minor