301.

1 Ceres at opposition 1 Ceres is optimally positioned for observation, appearing at its closest and brightest. Sat, 17 Jun 2056 at 19:15 EDT (10,870 days away) in Sagittarius

302.

134340 Pluto at opposition 134340 Pluto is optimally positioned for observation. Fri, 08 Sep 2056 at 20:26 EDT (10,953 days away) in Aquarius

303.

136199 Eris at opposition 136199 Eris is optimally positioned for observation. Wed, 25 Oct 2056 at 00:11 EDT (11,000 days away) in Pisces

304.

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. Wed, 01 Nov 2056 at 09:49 EDT (11,007 days away) in Virgo

305.

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. Wed, 29 Nov 2056 at 01:09 EDT (11,035 days away) in Ophiuchus

306.

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, 30 Jan 2057 at 00:12 EDT (11,097 days away) in Capricornus

307.

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. Wed, 07 Mar 2057 at 13:19 EDT (11,133 days away) in Aquarius

308.

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. Sun, 22 Apr 2057 at 01:24 EDT (11,179 days away) in Pisces

309.

136472 Makemake at opposition 136472 Makemake is optimally positioned for observation. Sun, 29 Apr 2057 at 23:53 EDT (11,186 days away) in Virgo

310.

136108 Haumea at opposition 136108 Haumea is optimally positioned for observation. Tue, 29 May 2057 at 00:56 EDT (11,216 days away) in Ophiuchus

311.

1 Ceres at aphelion 1 Ceres passes the furthest point along its orbit from the Sun. Sun, 03 Jun 2057 at 18:17 EDT (11,221 days away) in Aquarius

312.

134340 Pluto at opposition 134340 Pluto is optimally positioned for observation. Mon, 10 Sep 2057 at 08:19 EDT (11,320 days away) in Aquarius

313.

1 Ceres at opposition 1 Ceres is optimally positioned for observation, appearing at its closest and brightest. Sat, 15 Sep 2057 at 13:35 EDT (11,325 days away) in Cetus

314.

136199 Eris at opposition 136199 Eris is optimally positioned for observation. Thu, 25 Oct 2057 at 11:44 EDT (11,365 days away) in Pisces

315.

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, 02 Nov 2057 at 12:33 EDT (11,373 days away) in Virgo

316.

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, 30 Nov 2057 at 10:53 EDT (11,401 days away) in Ophiuchus

317.

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. Sat, 09 Mar 2058 at 00:31 EDT (11,500 days away) in Aquarius

318.

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, 22 Apr 2058 at 13:14 EDT (11,544 days away) in Pisces

319.

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. Fri, 26 Apr 2058 at 05:58 EDT (11,548 days away) in Cetus

320.

136472 Makemake at opposition 136472 Makemake is optimally positioned for observation. Wed, 01 May 2058 at 03:24 EDT (11,553 days away) in Virgo