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Uranus XII

Proper NamePortia
DesignationUranus XII
Primary PlanetUranus
Orbital Period12 hours, 19 minutes
Distance from UranusSemi-Major Axis: 66,097 km
Periapsis: 66,094 km
Apoapsis: 66,101 km
Rotation Period12 hours, 19 minutes (synchronous orbit)
Mean Diameter135.2 km
NotesThe largest of a group of inner Uranian moons collectively known as the Portia Group, all orbiting less than 80,000 km from Uranus. Portia is an elongated ellipsoid in shape, and travels around Uranus with its longest axis pointing towards the ice giant planet.


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