Moon
Larissa
TypeMoon
Mass~5 × 10¹⁸ kg
Diameter194 km
Orbital Radius73,100 km
Orbital Period0.555 days
Rotation Period13.3 hours
Known Moons0
Surface Gravity~0.03 m/s²
Average Temp-220 °C
AtmosphereNone
Discovered ByVoyager 2 team
Discovery Year1981
About Larissa
A cratered inner moon first detected in 1981 when it briefly blocked a star, then confirmed by Voyager 2. Features a 70 km impact basin. Orbits between the rings and Proteus.
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