Larissa
Larissa is a moon of the planet Neptune
Larissa photographed by Voyager 2
Facts About Larissa:
- Larissa is the fourth-largest moon of Neptune.
- It is the 5th moon in average distance from Neptune.
Classification: Moon (orbiting Neptune)
Names: Larissa, Neptune VII, S/1989 N2
Discovered: 1981 by H. Reitsema, W. Hubbard, L. Lebofsky, and D. J. Th
Naming: Named after the Greek mythological nymph Larissa, lover of Poseidon (Neptune).
Magnitude: 21.5000 (app)
Diameter: 194 km
Mass: 4.2e+18 kg
Semi-major axis: 73,548.26 km
Orbital Period: 0.55465332 Earth days
Eccentricity: 0.00139300
Albedo: 0.0900
Volume: 3500000 km3
Density: 1.2000 g/cm3
Surface Area: 118236.98 km2
Escape Velocity: 0.0760 km/s
Adjective: Larissean, Larissian, Larissan