Discovered by            C. Perrine
Date of Discovery        1904
Distance from Jupiter    11,480,000 km
Radius                   85 km
Mass                     9.5x10^21 g
Orbital Eccentricity     0.15798
Orbital Inclination      27.63°
Orbital Period           250.57 days
Rotational Period        0.4 day
Density (gm/cm3)         ???

Himalia shares a similar orbital inclination to Leda, Lysithea, and Elara. They also orbit at roughly the same distance from Jupiter. These facts lead some to believe the four moons were once part of a larger asteroid rent asunder by Jupiter's immense gravity. Himalia is the largest of the four.


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