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Jupiter XXXI

Proper NameAitne
DesignationJupiter XXXI
Primary PlanetJupiter
Orbital Period1 year, 364 days (retrograde)
Distance from JupiterSemi-Major Axis: 23,064,400 km (0.15 AU)
Periapsis: 16,675,600 km (0.11 AU)
Apoapsis: 29,453,200 km (0.20 AU)
Rotation PeriodNot known
Mean Diameter3 km
1.8 miles
NotesAitne is a member of the Carme Group, a collection of approximately twelve Jovian moons that follow highly inclined retrograde orbits near the outer edge of the Jupiter system. These moons seem to be remains of a body that broke apart as it was pulled into Jupiter's orbit. The 47-kilometre moon Carme represents the surviving bulk of this body, with tiny moons like Aitne, Kale or Pasithee representing fragments that broke away during the capture event.