401.

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 15:58 EDT (15,133 days ago) in Sagittarius

402.

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. Wed, 20 Oct 1982 at 13:04 EDT (15,202 days ago) in Virgo

403.

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 06:29 EDT (15,214 days ago) in Cetus

404.

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 21:46 EDT (15,240 days ago) in Coma Berenices

405.

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 17:31 EDT (15,264 days ago) in Leo Minor

406.

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. Sun, 09 May 1982 at 07:13 EDT (15,366 days ago) in Libra

407.

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, 15 Apr 1982 at 18:41 EDT (15,390 days ago) in Virgo

408.

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 13:53 EDT (15,401 days ago) in Cetus

409.

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 04:40 EDT (15,426 days ago) in Coma Berenices

410.

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 19:59 EDT (15,450 days ago) in Leo Minor

411.

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. Sat, 17 Oct 1981 at 16:40 EDT (15,570 days ago) in Virgo

412.

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 18:28 EDT (15,580 days ago) in Cetus

413.

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, 14 Sep 1981 at 07:37 EDT (15,603 days ago) in Virgo

414.

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 (15,606 days ago) in Leo

415.

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 (15,630 days ago) in Leo Minor

416.

1 Ceres at perihelion 1 Ceres passes its orbit's closest point to the Sun. Thu, 25 Jun 1981 at 23:54 EDT (15,684 days ago) in Leo

417.

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 (15,758 days ago) in Bootes

418.

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 (15,766 days ago) in Cetus

419.

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 (15,792 days ago) in Leo

420.

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 (15,816 days ago) in Leo Minor