Neptune's Natural Satellites
As of January 2008, Neptune has 13 named natural satellites.
| Name | Diameter | Mass | Distance from Neptune |
|---|---|---|---|
| Naiad | 58 km | 48,227 km | |
| Thalassa | 80 km | 50,074 km | |
| Despina | 148 km | 52,526 km | |
| Galatea | 158 km | 61,953 km | |
| Larissa | 208 x 178 km | 73,548 km | |
| Proteus | 436 x 416 x 402 km | 117,647 km | |
| Triton | 2,704 km | 2.14 x 1022 kg | 354,300 km |
| Nereid | 340 km | 5,513,400 km | |
| Halimede | 61 km | 15,728,000 km | |
| Sao | 40 km | 22,422,000 km | |
| Laomedeia | 40 km | 23,571,000 km | |
| Psamathe | 38 km | 46,695,000 km | |
| Neso | 60 km | 48,387,000 km |
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