| Número | Nome | Massa (10⁶ kg) | % Correto |
|---|---|---|---|
| Netuno I | Tritão | 2140800 | 100%
|
| Netuno IV | Talassa | 35 | 89%
|
| Netuno VI | Galateia | 212 | 78%
|
| Netuno IX | Halimede | 16 | 78%
|
| Netuno XIV | Hipocampo | 5 | 78%
|
| Netuno VII | Larissa | 460 | 78%
|
| Netuno II | Nereida | 2700 | 78%
|
| Netuno VIII | Proteu | 4400 | 78%
|
| Netuno V | Despina | 210 | 67%
|
| Netuno XII | Laomedeia | 5 | 67%
|
| Netuno III | Náiade | 19 | 67%
|
| Netuno XI | Sao | 6 | 67%
|
| Netuno XIII | Neso | 15 | 44%
|
| Netuno X | Psámata | 4 | 44%
|