Nereid size and scale context

Nereid is a distant irregular moon of Neptune with one of the most eccentric moon orbits in the Solar System. Its 360-day path suggests either capture from elsewhere or a major disturbance during the capture of Triton. Read its scale context, comparisons, and journey links on the canonical object page.

JanusCo-orbital inner moon·203 km
PhoebeCaptured irregular moon·219 km
NereidIrregular outer moon·357 km
HyperionIrregular icy moon·360 km

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ScaleOfSpace.org
357km