1.

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, 27 Sep 2018 at 05:58 PDT (2,470 days ago) in Coma Berenices

2.

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 (2,461 days ago) in Virgo

3.

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 (2,451 days ago) in Cetus

4.

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 (2,449 days ago) in Bootes

5.

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 (2,364 days ago) in Sagittarius

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. Mon, 25 Mar 2019 at 12:45 PDT (2,291 days ago) in Coma Berenices

7.

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 (2,272 days ago) in Cetus

8.

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 (2,270 days ago) in Bootes

9.

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 (2,227 days ago) in Ophiuchus

10.

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 (2,180 days ago) in Sagittarius

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 (2,104 days ago) in Coma Berenices

12.

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 (2,085 days ago) in Cetus

13.

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 (2,083 days ago) in Bootes

14.

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 (1,997 days ago) in Sagittarius

15.

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 (1,997 days ago) in Sagittarius

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. Wed, 25 Mar 2020 at 18:31 PDT (1,925 days ago) in Coma Berenices

17.

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 (1,906 days ago) in Cetus

18.

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 (1,903 days ago) in Bootes

19.

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 (1,813 days ago) in Sagittarius

20.

1 Ceres at aphelion 1 Ceres passes the furthest point along its orbit from the Sun. Mon, 17 Aug 2020 at 23:25 PDT (1,780 days ago) in Aquarius