1.

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 13:19 EDT (1,945 days ago) in Sagittarius

2.

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 19:32 EDT (2,030 days ago) in Bootes

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. Wed, 17 Oct 2018 at 01:18 EDT (2,031 days ago) in Cetus

4.

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. Sun, 07 Oct 2018 at 20:20 EDT (2,041 days ago) in Virgo

5.

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 15:46 EDT (2,051 days ago) in Coma Berenices

6.

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, 12 Jul 2018 at 13:05 EDT (2,128 days ago) in Sagittarius

7.

1 Ceres at perihelion 1 Ceres passes its orbit's closest point to the Sun. Tue, 24 Apr 2018 at 11:42 EDT (2,207 days ago) in Cancer

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. Sat, 14 Apr 2018 at 20:42 EDT (2,217 days ago) in Bootes

9.

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. Fri, 13 Apr 2018 at 11:30 EDT (2,218 days ago) in Cetus

10.

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. Sat, 24 Mar 2018 at 16:29 EDT (2,238 days ago) in Coma Berenices

11.

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, 31 Jan 2018 at 06:51 EDT (2,290 days ago) in Cancer

12.

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, 09 Jan 2018 at 10:58 EDT (2,312 days ago) in Sagittarius

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. Tue, 17 Oct 2017 at 12:07 EDT (2,396 days ago) in Bootes

14.

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. Mon, 16 Oct 2017 at 13:33 EDT (2,397 days ago) in Cetus

15.

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, 26 Sep 2017 at 09:07 EDT (2,417 days ago) in Coma Berenices

16.

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. Mon, 10 Jul 2017 at 07:20 EDT (2,495 days ago) in Sagittarius

17.

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, 05 Jun 2017 at 09:51 EDT (2,530 days ago) in Taurus

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, 13 Apr 2017 at 13:00 EDT (2,583 days ago) in Bootes

19.

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. Wed, 12 Apr 2017 at 23:40 EDT (2,584 days ago) in Cetus

20.

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. Thu, 23 Mar 2017 at 10:14 EDT (2,604 days ago) in Coma Berenices