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Saturn IX

Proper NamePhoebe
DesignationSaturn IX
Primary PlanetSaturn
Orbital Period1 year, 185 days
Distance from SaturnSemi-Major Axis: 12,947,800 km
Periapsis: 10,824,000 km
Apoapsis: 15,071,000 km
Rotation Period9 hours, 17 minutes
Mean Diameter213 km
132 miles
NotesPhoebe is the innermost and largest of a widely dispersed group of nearly fifty outer Saturnian moons known as the Norse group. The other members of the group take their names from Norse mythology, but Phoebe was discovered in 1899, decades before the other moons in the group, and bears a name from Greek tradition.


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