301.

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 21:47 PDT (13,813 days ago) in Coma Berenices

302.

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 14:15 PDT (13,836 days ago) in Ursa Major

303.

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, 18 Jun 1987 at 01:47 PDT (13,904 days ago) in Sagittarius

304.

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. Wed, 29 Apr 1987 at 09:01 PDT (13,954 days ago) in Virgo

305.

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 04:37 PDT (13,977 days ago) in Cetus

306.

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 01:58 PDT (13,999 days ago) in Coma Berenices

307.

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 10:53 PDT (14,022 days ago) in Ursa Major

308.

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. Thu, 30 Oct 1986 at 22:03 PDT (14,135 days ago) in Virgo

309.

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. Thu, 30 Oct 1986 at 14:07 PDT (14,135 days ago) in Libra

310.

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. Thu, 09 Oct 1986 at 08:20 PDT (14,156 days ago) in Cetus

311.

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. Tue, 16 Sep 1986 at 17:03 PDT (14,179 days ago) in Coma Berenices

312.

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, 24 Aug 1986 at 05:41 PDT (14,202 days ago) in Ursa Major

313.

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. Sat, 26 Apr 1986 at 09:57 PDT (14,322 days ago) in Virgo

314.

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, 05 Apr 1986 at 16:08 PDT (14,343 days ago) in Cetus

315.

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, 13 Mar 1986 at 21:49 PDT (14,366 days ago) in Coma Berenices

316.

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. Mon, 24 Feb 1986 at 09:05 PDT (14,383 days ago) in Leo

317.

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, 19 Feb 1986 at 03:18 PDT (14,388 days ago) in Ursa Major

318.

1 Ceres at perihelion 1 Ceres passes its orbit's closest point to the Sun. Thu, 13 Feb 1986 at 07:15 PDT (14,394 days ago) in Leo

319.

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. Mon, 28 Oct 1985 at 01:34 PDT (14,502 days ago) in Virgo

320.

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, 08 Oct 1985 at 20:49 PDT (14,522 days ago) in Cetus