261.

136199 Eris at opposition 136199 Eris is optimally positioned for observation. Mon, 12 Oct 1998 at 06:16 EDT (10,144 days ago) in Cetus

262.

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 07:54 EDT (10,158 days ago) in Coma Berenices

263.

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 12:33 EDT (10,180 days ago) in Ursa Major

264.

134340 Pluto at opposition 134340 Pluto is optimally positioned for observation. Thu, 28 May 1998 at 01:54 EDT (10,281 days ago) in Ophiuchus

265.

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 15:19 EDT (10,331 days ago) in Cetus

266.

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 05:55 EDT (10,331 days ago) in Cetus

267.

136108 Haumea at opposition 136108 Haumea is optimally positioned for observation. Wed, 25 Mar 1998 at 08:06 EDT (10,345 days ago) in Coma Berenices

268.

136472 Makemake at opposition 136472 Makemake is optimally positioned for observation. Tue, 03 Mar 1998 at 22:38 EDT (10,367 days ago) in Ursa Major

269.

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 12:15 EDT (10,463 days ago) in Ophiuchus

270.

136199 Eris at opposition 136199 Eris is optimally positioned for observation. Sat, 11 Oct 1997 at 18:44 EDT (10,510 days ago) in Cetus

271.

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 02:44 EDT (10,524 days ago) in Coma Berenices

272.

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 04:47 EDT (10,546 days ago) in Ursa Major

273.

1 Ceres at opposition 1 Ceres is optimally positioned for observation, appearing at its closest and brightest. Fri, 29 Aug 1997 at 10:17 EDT (10,553 days ago) in Aquarius

274.

1 Ceres at aphelion 1 Ceres passes the furthest point along its orbit from the Sun. Sat, 09 Aug 1997 at 22:08 EDT (10,573 days ago) in Aquarius

275.

134340 Pluto at opposition 134340 Pluto is optimally positioned for observation. Sun, 25 May 1997 at 06:46 EDT (10,649 days ago) in Ophiuchus

276.

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, 08 Apr 1997 at 03:46 EDT (10,696 days ago) in Cetus

277.

136108 Haumea at opposition 136108 Haumea is optimally positioned for observation. Mon, 24 Mar 1997 at 02:57 EDT (10,711 days ago) in Coma Berenices

278.

136472 Makemake at opposition 136472 Makemake is optimally positioned for observation. Sun, 02 Mar 1997 at 15:35 EDT (10,733 days ago) in Ursa Major

279.

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, 13 Jan 1997 at 16:33 EDT (10,781 days ago) in Sagittarius

280.

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. Sun, 24 Nov 1996 at 19:46 EDT (10,831 days ago) in Scorpius