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Proper Name	Dia
Designation	Jupiter LIII
Primary Planet	Jupiter
Orbital Period	274 days
Mean Distance from Jupiter	Semi-Major Axis: 12,570,424 km Periapsis: 9,983,431 km Apoapsis: 15,157,417
Eccentricity	0.2058
Rotation Period	Not known
Mean Diameter	c.4 km c.2.5 miles
Notes	A small moon that follows an inclined orbit around Jupiter beyond the large Galilean Moons. Dia is likely a member of the Himalia group, a collection of moons thought to have originated as an asteroid captured and broken apart by Jupiter's intense gravity.

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