Moon
Pan
TypeMoon
Mass4.95 × 10¹⁵ kg
Diameter28 km
Orbital Radius133,580 km
Orbital Period0.575 days
Rotation Period13.8 hours
Known Moons0
Surface Gravity0.002 m/s²
Average Temp-180 °C
AtmosphereNone
Discovered ByMark Showalter
Discovery Year1990
About Pan
A ravioli-shaped shepherd moon orbiting inside the Encke Gap of the A ring. Its equatorial skirt of accumulated ring material was revealed in dramatic Cassini images from 2017. Its gravity keeps the 325 km gap clear of debris.
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