361.

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 17:02 EDT (15,629 days ago) in Leo

362.

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 08:26 EDT (15,653 days ago) in Leo Minor

363.

1 Ceres at perihelion 1 Ceres passes its orbit's closest point to the Sun. Thu, 25 Jun 1981 at 23:54 EDT (15,707 days ago) in Leo

364.

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. Sun, 12 Apr 1981 at 21:24 EDT (15,781 days ago) in Bootes

365.

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 01:56 EDT (15,789 days ago) in Cetus

366.

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 00:28 EDT (15,815 days ago) in Leo

367.

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 11:53 EDT (15,839 days ago) in Leo Minor

368.

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, 09 Jan 1981 at 14:50 EDT (15,874 days ago) in Gemini

369.

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. Tue, 14 Oct 1980 at 20:19 EDT (15,961 days ago) in Virgo

370.

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 06:30 EDT (15,968 days ago) in Cetus

371.

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 12:16 EDT (15,995 days ago) in Leo

372.

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 23:00 EDT (16,020 days ago) in Leo Minor

373.

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. Fri, 16 May 1980 at 17:55 EDT (16,112 days ago) in Taurus

374.

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. Thu, 10 Apr 1980 at 00:41 EDT (16,148 days ago) in Bootes

375.

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, 03 Apr 1980 at 13:56 EDT (16,155 days ago) in Cetus

376.

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, 07 Mar 1980 at 20:27 EDT (16,182 days ago) in Leo

377.

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, 13 Feb 1980 at 03:59 EDT (16,205 days ago) in Leo Minor