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Saturn III

Proper NameTethys
DesignationSaturn III
Primary PlanetSaturn
Orbital Period1 days, 21 hours, 18 minutes
Distance from SaturnSemi-Major Axis: 294,619 km
Periapsis: 294,590, km
Apoapsis: 294,648 km
Rotation Period1 days, 21 hours, 18 minutes (synchronous orbit)
Mean Diameter1,062.2 km
660.0 miles
NotesThe fifth largest of Saturn's many moons, Tethys is composed largely from water ice, and is one of the most reflective bodies in the Solar System. It shares its orbital path with two much smaller moons, Telesto and Calypso.


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