Moon
Epimetheus
TypeMoon
Mass5.266 × 10¹⁷ kg
Diameter116 km
Orbital Radius151,420 km
Orbital Period0.694 days
Rotation Period16.7 hours
Known Moons0
Surface Gravity0.03 m/s²
Average Temp-180 °C
AtmosphereNone
Discovered ByRichard Walker
Discovery Year1980
About Epimetheus
Shares the same orbital lane as Janus, exchanging inner and outer positions every four years. A soft-looking cratered body with ridges and grooves. Cassini passed 6,568 km away in 2010.
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