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.

ErosS-type near-Earth asteroid·34 km
Cygnus X-1Stellar black hole·120 km
PhoebeCaptured irregular moon·213 km
NereidIrregular outer moon·340 km
EnceladusIcy ocean moon·500 km

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