Moon
Despina
TypeMoon
Mass~2 × 10¹⁸ kg
Diameter150 km
Orbital Radius52,520 km
Orbital Period0.335 days
Rotation Period8 hours
Known Moons0
Surface Gravity~0.02 m/s²
Average Temp-220 °C
AtmosphereNone
Discovered ByVoyager 2 team
Discovery Year1989
About Despina
A small moon hugging Neptune, found in Voyager 2 images days before closest approach. May feed the Le Verrier ring with debris. Circles the planet every eight hours.
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