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Solar

Rounded by their own gravity

Dwarf planets

Worlds massive enough to pull themselves round, but which never cleared their orbital neighbourhood — Ceres in the asteroid belt, and Pluto, Eris, Haumea and Makemake out beyond Neptune. Candidates are included.

Gonggong

(225088) Gonggong

Dwarf planet candidate
Ø 1,230 km

Ceres

(1) Ceres

Dwarf planet
Ø 939 km
2.77 AU from Sun
4.6 years orbit

Orcus

(90482) Orcus

Dwarf planet candidate
Ø 917 km
39.38 AU from Sun
247.1 years orbit

Pluto

(134340) Pluto

Dwarf planet
Ø 2,376 km
39.59 AU from Sun
249.1 years orbit

Salacia

(120347) Salacia

Dwarf planet candidate
Ø 846 km
42.06 AU from Sun
272.7 years orbit

Haumea

(136108) Haumea

Dwarf planet
Ø 1,560 km
43.06 AU from Sun
282.6 years orbit

Quaoar

(50000) Quaoar

Dwarf planet candidate
Ø 1,090 km
43.16 AU from Sun
283.5 years orbit

Makemake

(136472) Makemake

Dwarf planet
Ø 1,430 km
45.57 AU from Sun
307.6 years orbit

Eris

(136199) Eris

Dwarf planet
Ø 2,326 km
67.93 AU from Sun
559.9 years orbit

Sedna

(90377) Sedna

Dwarf planet candidate
Ø 996 km
543.72 AU from Sun
12,678.6 years orbit