221.

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 23:40 EDT (9,130 days ago) in Ophiuchus

222.

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, 09 Apr 1999 at 02:06 EDT (9,181 days ago) in Cetus

223.

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 13:58 EDT (9,195 days ago) in Coma Berenices

224.

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 05:51 EDT (9,216 days ago) in Ursa Major

225.

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 06:46 EDT (9,311 days ago) in Ophiuchus

226.

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. Sat, 28 Nov 1998 at 01:55 EDT (9,313 days ago) in Taurus

227.

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 05:10 EDT (9,360 days ago) in Cetus

228.

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 08:28 EDT (9,374 days ago) in Coma Berenices

229.

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 12:30 EDT (9,396 days ago) in Ursa Major

230.

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 04:45 EDT (9,497 days ago) in Ophiuchus

231.

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 14:01 EDT (9,547 days ago) in Cetus

232.

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. Wed, 08 Apr 1998 at 05:25 EDT (9,547 days ago) in Cetus

233.

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 08:32 EDT (9,561 days ago) in Coma Berenices

234.

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 22:26 EDT (9,583 days ago) in Ursa Major

235.

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 14:52 EDT (9,679 days ago) in Ophiuchus

236.

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 17:16 EDT (9,726 days ago) in Cetus

237.

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. Sat, 27 Sep 1997 at 03:02 EDT (9,740 days ago) in Coma Berenices

238.

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 04:27 EDT (9,762 days ago) in Ursa Major

239.

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, 29 Aug 1997 at 14:11 EDT (9,769 days ago) in Aquarius

240.

1 Ceres at aphelion 1 Ceres passes the furthest point along its orbit from the Sun. Tue, 12 Aug 1997 at 03:49 EDT (9,786 days ago) in Aquarius