Discovered by P. Laques and J. Lecacheus from ground-based photos taken in 1980
Named after one of the mythological Amazons, a daughter of Ares and Harmonia
Orbital size 377,400 km (about 235,000 miles) (identical to that of Dione)
Co-orbital with Dione, at Lagrangian point 60 degrees ahead of Dione
Orbital eccentricity 0%
Orbital inclination 0 degrees
Orbital period 2.73691 days (identical to that of Dione)
Diameter is (not quite round) 36 x 32 x 30 km (22 x 20 x 19 miles)
Mass, density and surface gravity unknown
Albedo (reflectivity) 70%
Orbit controlled by interaction with gravity of Saturn and Dione