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 04:20 PDT (2,374 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 09:51 PDT (2,459 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. Tue, 16 Oct 2018 at 16:07 PDT (2,461 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. Sat, 06 Oct 2018 at 21:36 PDT (2,471 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 05:58 PDT (2,480 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 03:55 PDT (2,557 days ago) in Sagittarius

7.

1 Ceres at perihelion 1 Ceres passes its orbit's closest point to the Sun. Mon, 30 Apr 2018 at 13:47 PDT (2,630 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 11:08 PDT (2,646 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 02:25 PDT (2,647 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 06:56 PDT (2,667 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. Tue, 30 Jan 2018 at 08:17 PDT (2,720 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 02:25 PDT (2,741 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 02:49 PDT (2,825 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 04:41 PDT (2,826 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. Mon, 25 Sep 2017 at 23:41 PDT (2,847 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. Sun, 09 Jul 2017 at 22:37 PDT (2,925 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. Sun, 04 Jun 2017 at 13:07 PDT (2,960 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 03:50 PDT (3,012 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 14:54 PDT (3,013 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 01:04 PDT (3,033 days ago) in Coma Berenices