181.

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, 22 Jul 1999 at 05:58 PDT (9,487 days ago) in Cancer

182.

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, 30 May 1999 at 20:38 PDT (9,540 days ago) in Ophiuchus

183.

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. Thu, 08 Apr 1999 at 23:42 PDT (9,592 days ago) in Cetus

184.

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. Fri, 26 Mar 1999 at 10:28 PDT (9,605 days ago) in Coma Berenices

185.

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. Fri, 05 Mar 1999 at 02:18 PDT (9,626 days ago) in Ursa Major

186.

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, 30 Nov 1998 at 03:49 PDT (9,721 days ago) in Ophiuchus

187.

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, 27 Nov 1998 at 02:47 PDT (9,724 days ago) in Taurus

188.

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, 12 Oct 1998 at 02:58 PDT (9,770 days ago) in Cetus

189.

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. Mon, 28 Sep 1998 at 05:04 PDT (9,784 days ago) in Coma Berenices

190.

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, 06 Sep 1998 at 09:02 PDT (9,806 days ago) in Ursa Major

191.

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, 28 May 1998 at 01:54 PDT (9,907 days ago) in Ophiuchus

192.

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, 08 Apr 1998 at 12:02 PDT (9,957 days ago) in Cetus

193.

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, 07 Apr 1998 at 06:06 PDT (9,958 days ago) in Cetus

194.

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. Wed, 25 Mar 1998 at 05:14 PDT (9,971 days ago) in Coma Berenices

195.

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, 03 Mar 1998 at 19:05 PDT (9,993 days ago) in Ursa Major

196.

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. Thu, 27 Nov 1997 at 12:07 PDT (10,089 days ago) in Ophiuchus

197.

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. Sat, 11 Oct 1997 at 15:27 PDT (10,136 days ago) in Cetus

198.

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. Fri, 26 Sep 1997 at 23:50 PDT (10,151 days ago) in Coma Berenices

199.

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. Fri, 05 Sep 1997 at 01:12 PDT (10,172 days ago) in Ursa Major

200.

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, 28 Aug 1997 at 13:25 PDT (10,180 days ago) in Aquarius