S/2002 N 4 is a natural satellite of Neptune. It was discovered by Matthew J. Holman, et al. and Brett J. Gladman, et al. in 2003 from pictures taken in 2002. It orbits Neptune at a distance of 48.837 Gm, making it the most distant known moon of any planet. S/2002 N 4 is about 60 kilometres in diameter.

Neptune
Naiad | Thalassa | Despina | Galatea | Larissa | Proteus | Triton
Nereid | S/2002 N 1 | S/2002 N 2 | S/2002 N 3 | S/2003 N 1 | S/2002 N 4
Neptune's natural satellites | The Solar System

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