Object |
IAU Definition |
IAU Planet Category |
Descriptive Category |
Unofficial mean diameter - estimate |
Mercury |
Planet |
|
Classical |
4,879 km |
Venus |
Planet |
|
Classical |
12,104 km |
Earth |
Planet |
|
Classical |
12,746 km |
Mars |
Planet |
|
Classical |
6,780 km |
Jupiter |
Planet |
|
Classical |
138,346 km |
Saturn |
Planet |
|
Classical |
114,632 km |
Uranus |
Planet |
|
Classical |
50,532 km |
Neptune |
Planet |
|
Classical |
49,105 km |
Ceres |
Planet |
|
Dwarf |
952 km |
Pluto |
Planet |
Pluton |
Dwarf |
2306+20 km |
Charon |
Planet |
Pluton |
Dwarf |
1205+2 km |
2003 UB313 |
Planet |
Pluton |
Dwarf |
2400 +100 km |
|
