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.
Ceres
(1) Ceres
- Ø 939 km
Pluto
(134340) Pluto
- Ø 2,377 km
Eris
(136199) Eris
- Ø 2,326 km
Makemake
(136472) Makemake
- Ø 1,430 km
Haumea
(136108) Haumea
- Ø 1,560 km
Orcus
(90482) Orcus
- Ø 917 km
Quaoar
(50000) Quaoar
- Ø 1,090 km
Sedna
(90377) Sedna
- Ø 996 km
Gonggong
(225088) Gonggong
- Ø 1,230 km
Salacia
(120347) Salacia
- Ø 846 km