Moons of Neptune
| Moons of Neptune |
| Name |
Diameter (km) |
Mass ( × 1016 kg) |
Discovery year |
| Naiad |
66 (96×60×52) |
~19 |
1989 |
| Thalassa |
82 (108×100×52) |
~35 |
1989 |
| Despina |
150 (180×148×128) |
~210 |
1989 |
| Galatea |
176 (204×184×144) |
212 |
1989 |
| Larissa |
194 (216×204×168) |
~420 |
1981 |
| Proteus |
420 (436 × 416 × 402) |
~5 000 |
1989 |
| Triton |
2707 |
2 140 000 |
1846 |
| Nereid |
340 |
~3 100 |
1949 |
| Halimede |
62 |
~16 |
2002 |
| Sao |
44 |
~5.8 |
2002 |
| Laomedeia |
42 |
~5.0 |
2002 |
| Psamathe |
38 |
~3.7 |
2003 |
| Neso |
60 |
~15 |
2002 |
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