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. Tue, 09 Jan 2018 at 10:58 EDT (2,313 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. Tue, 17 Oct 2017 at 12:07 EDT (2,397 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. Mon, 16 Oct 2017 at 13:33 EDT (2,398 days ago) in Cetus

4.

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 (2,418 days ago) in Coma Berenices

5.

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 (2,496 days ago) in Sagittarius

6.

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 (2,531 days ago) in Taurus

7.

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 (2,584 days ago) in Bootes

8.

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 (2,585 days ago) in Cetus

9.

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 (2,605 days ago) in Coma Berenices

10.

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, 07 Jan 2017 at 07:55 EDT (2,680 days ago) in Sagittarius

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. Thu, 20 Oct 2016 at 17:10 EDT (2,759 days ago) in Cetus

12.

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, 16 Oct 2016 at 04:52 EDT (2,763 days ago) in Bootes

13.

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. Sun, 16 Oct 2016 at 01:52 EDT (2,763 days ago) in Cetus

14.

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. Sun, 25 Sep 2016 at 02:39 EDT (2,784 days ago) in Coma Berenices

15.

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. Fri, 08 Jul 2016 at 00:55 EDT (2,863 days ago) in Sagittarius

16.

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. Tue, 12 Apr 2016 at 11:45 EDT (2,950 days ago) in Cetus

17.

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. Tue, 12 Apr 2016 at 05:18 EDT (2,950 days ago) in Bootes

18.

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. Tue, 22 Mar 2016 at 03:44 EDT (2,971 days ago) in Coma Berenices

19.

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. Thu, 03 Mar 2016 at 14:56 EDT (2,990 days ago) in Aquarius

20.

1 Ceres at aphelion 1 Ceres passes the furthest point along its orbit from the Sun. Thu, 07 Jan 2016 at 16:03 EDT (3,046 days ago) in Capricornus