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Proper Name	Adrastea
Designation	Jupiter XV
Primary Planet	Jupiter
Orbital Period	7 hours, 9 minutes
Distance from Jupiter	Semi-Major Axis: 128,690 km Periapsis: 128,497 km Apoapsis: 128,883 km
Eccentricity	0.0015
Rotation Period	7 hours, 9 minutes (synchronous orbit)
Mean Diameter	16.4 km 10.2 miles
Notes	With Metis, Amalthea and Thebe, this is one of four moons of Jupiter known as the Amalthea Group, whose orbits lie inside that of Io, innermost of the four large Galilean Moons. Adrastea is a major source of the material in Jupiter's faint ring system.

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