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 15:38 EDT (1,337 days ago) in Aquarius

2.

1 Ceres at aphelion 1 Ceres passes the furthest point along its orbit from the Sun. Sat, 15 Aug 2020 at 11:19 EDT (1,350 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 22:45 EDT (1,381 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 12:17 EDT (1,471 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 11:01 EDT (1,474 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. Thu, 26 Mar 2020 at 04:45 EDT (1,492 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. Tue, 14 Jan 2020 at 01:24 EDT (1,564 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 15:15 EDT (1,565 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. Sun, 20 Oct 2019 at 03:11 EDT (1,650 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 13:12 EDT (1,653 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 22:14 EDT (1,672 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 18:05 EDT (1,748 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. Wed, 29 May 2019 at 13:26 EDT (1,794 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. Tue, 16 Apr 2019 at 04:19 EDT (1,837 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 23:05 EDT (1,840 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 22:41 EDT (1,859 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 13:15 EDT (1,932 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 19:33 EDT (2,017 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. Wed, 17 Oct 2018 at 01:17 EDT (2,018 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. Sun, 07 Oct 2018 at 21:18 EDT (2,028 days ago) in Virgo