Thalassa
Thalassa is a moon orbiting the planet Neptune.
Facts About Thalassa:
- Thalassa is the second moon from Neptune.
- It has an irregular but somewhat disk shape, and appears to be a rubble pile.
- It is slowly falling towards Neptune and will eventually either be destroyed upon hitting the giant planet's atmosphere, or break apart and form a ring around the planet.
Classification: Moon (orbiting Neptune)
Names: Thalassa, Neptune IV, S/1989 N5
Discovered: 1989 by Voyager Science Team
Naming: Named after the Greek mythological sea goddess Thalassa.
Magnitude: 23.3200 (app)
Diameter: 81.4 km
Semi-major axis: 50074.44 km
Orbital Period: 0.31148444 Earth days
Eccentricity: 0.00176000
Albedo: 0.0910
Adjective: Thalassian