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. Wed, 26 Apr 1989 at 09:38 EDT (12,867 days ago) in Cetus

282.

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. Thu, 06 Apr 1989 at 03:02 EDT (12,887 days ago) in Cetus

283.

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. Thu, 16 Mar 1989 at 10:40 EDT (12,908 days ago) in Coma Berenices

284.

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, 22 Feb 1989 at 02:00 EDT (12,930 days ago) in Ursa Major

285.

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. Sun, 09 Oct 1988 at 06:25 EDT (13,066 days ago) in Cetus

286.

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, 18 Sep 1988 at 02:21 EDT (13,087 days ago) in Coma Berenices

287.

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, 15 Sep 1988 at 15:31 EDT (13,090 days ago) in Cetus

288.

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, 25 Aug 1988 at 22:47 EDT (13,111 days ago) in Ursa Major

289.

1 Ceres at aphelion 1 Ceres passes the furthest point along its orbit from the Sun. Sat, 28 May 1988 at 01:06 EDT (13,200 days ago) in Aquarius

290.

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 1988 at 15:00 EDT (13,253 days ago) in Cetus

291.

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. Tue, 15 Mar 1988 at 06:08 EDT (13,274 days ago) in Coma Berenices

292.

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, 21 Feb 1988 at 18:14 EDT (13,297 days ago) in Ursa Major

293.

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, 31 Jan 1988 at 00:56 EDT (13,318 days ago) in Capricornus

294.

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, 09 Oct 1987 at 18:30 EDT (13,432 days ago) in Cetus

295.

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. Thu, 17 Sep 1987 at 21:28 EDT (13,454 days ago) in Coma Berenices

296.

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, 25 Aug 1987 at 13:56 EDT (13,477 days ago) in Ursa Major

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. Fri, 19 Jun 1987 at 01:16 EDT (13,544 days ago) in Sagittarius

298.

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. Mon, 06 Apr 1987 at 02:51 EDT (13,618 days ago) in Cetus

299.

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, 15 Mar 1987 at 01:35 EDT (13,640 days ago) in Coma Berenices

300.

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, 20 Feb 1987 at 10:34 EDT (13,663 days ago) in Ursa Major