Thalassa
Thalassa information Average distance from Neptune: 50070 km (0.0003 AU) Equatorial radius: 54 x 50 x 26 km (Diameter: 108 km) Mass: 400000000000000000 kg Siderial orbit period (length of year): 0.311485 earth days Orbital eccentricity: 0.000 Orbital inclination to ecliptic: 0.21 degrees		Thalassa, Neptune IV
Thalassa Thalassa was a daughter of Aether and Hemera. 'Thalassa' is also the Greek word for 'sea'. Discovered in 1989 by Voyager 2.
More Discovered by R. Terrile (Voyager 2) in 1989
Find more information on Thalassa