461.

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 Jul 1978 at 02:36 EDT (16,794 days ago) in Sagittarius

462.

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, 05 Apr 1978 at 08:58 EDT (16,888 days ago) in Virgo

463.

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, 03 Apr 1978 at 14:01 EDT (16,890 days ago) in Cetus

464.

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, 06 Mar 1978 at 12:32 EDT (16,918 days ago) in Leo

465.

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, 10 Feb 1978 at 11:50 EDT (16,942 days ago) in Leo Minor

466.

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. Mon, 21 Nov 1977 at 21:00 EDT (17,023 days ago) in Libra

467.

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. Fri, 07 Oct 1977 at 09:49 EDT (17,068 days ago) in Virgo

468.

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, 06 Oct 1977 at 18:25 EDT (17,069 days ago) in Cetus

469.

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, 07 Sep 1977 at 22:19 EDT (17,098 days ago) in Leo

470.

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, 13 Aug 1977 at 18:41 EDT (17,123 days ago) in Leo Minor

471.

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, 03 Apr 1977 at 01:52 EDT (17,255 days ago) in Cetus

472.

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, 02 Apr 1977 at 13:58 EDT (17,256 days ago) in Virgo

473.

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. Wed, 23 Mar 1977 at 03:56 EDT (17,266 days ago) in Coma Berenices

474.

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. Sat, 05 Mar 1977 at 08:39 EDT (17,284 days ago) in Leo

475.

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, 09 Feb 1977 at 03:51 EDT (17,308 days ago) in Leo Minor

476.

1 Ceres at perihelion 1 Ceres passes its orbit's closest point to the Sun. Sat, 27 Nov 1976 at 12:45 EDT (17,382 days ago) in Leo

477.

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, 06 Oct 1976 at 06:23 EDT (17,434 days ago) in Cetus

478.

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, 04 Oct 1976 at 15:19 EDT (17,436 days ago) in Virgo

479.

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. Mon, 06 Sep 1976 at 17:53 EDT (17,464 days ago) in Leo

480.

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, 12 Aug 1976 at 09:19 EDT (17,489 days ago) in Leo Minor