1.

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, 28 Aug 2020 at 01:05 PDT (1,779 days ago) in Aquarius

2.

1 Ceres at aphelion 1 Ceres passes the furthest point along its orbit from the Sun. Mon, 17 Aug 2020 at 23:25 PDT (1,790 days ago) in Aquarius

3.

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, 15 Jul 2020 at 12:38 PDT (1,823 days ago) in Sagittarius

4.

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 Apr 2020 at 01:58 PDT (1,913 days ago) in Bootes

5.

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, 13 Apr 2020 at 01:16 PDT (1,916 days ago) in Cetus

6.

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, 25 Mar 2020 at 18:31 PDT (1,935 days ago) in Coma Berenices

7.

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, 13 Jan 2020 at 09:32 PDT (2,007 days ago) in Sagittarius

8.

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, 13 Jan 2020 at 05:50 PDT (2,007 days ago) in Sagittarius

9.

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. Sat, 19 Oct 2019 at 17:08 PDT (2,093 days ago) in Bootes

10.

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, 17 Oct 2019 at 03:43 PDT (2,095 days ago) in Cetus

11.

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, 28 Sep 2019 at 12:05 PDT (2,114 days ago) in Coma Berenices

12.

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, 14 Jul 2019 at 08:30 PDT (2,190 days ago) in Sagittarius

13.

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. Tue, 28 May 2019 at 17:20 PDT (2,237 days ago) in Ophiuchus

14.

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, 15 Apr 2019 at 18:21 PDT (2,280 days ago) in Bootes

15.

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, 13 Apr 2019 at 13:41 PDT (2,282 days ago) in Cetus

16.

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. Mon, 25 Mar 2019 at 12:45 PDT (2,301 days ago) in Coma Berenices

17.

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, 11 Jan 2019 at 04:20 PDT (2,374 days ago) in Sagittarius

18.

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, 18 Oct 2018 at 09:51 PDT (2,459 days ago) in Bootes

19.

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, 16 Oct 2018 at 16:07 PDT (2,461 days ago) in Cetus

20.

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. Sat, 06 Oct 2018 at 21:36 PDT (2,471 days ago) in Virgo