|
Neptune's
Moons
Neptune
has 8 known moons. 7 small satellites and Triton.
| Satellite |
Distance
(km) |
Radius
(km) |
Mass
(kg) |
Discoverer |
Date |
| Naiad |
48,000
|
29
|
?
|
Voyager
2 |
1989
|
| Thalassa |
50,000
|
40
|
?
|
Voyager
2 |
1989
|
| Despina |
53,000
|
74
|
?
|
Voyager
2 |
1989
|
| Galatea |
62,000
|
79
|
?
|
Voyager
2 |
1989
|
| Larissa |
74,000
|
96
|
?
|
Voyager
2 |
1989
|
| Proteus |
118,000
|
209
|
?
|
Voyager
2 |
1989
|
| Triton |
355,000
|
1,350
|
2.14e22
|
Lassell |
1846
|
| Nereid |
5,509,000
|
170
|
?
|
Kuiper |
1949
|
|
