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Elara (moon)

Elara
Discovery
Discovered byCharles Dillon Perrine[?]
Discovered in1905
Orbital characteristics
Mean radius11,716,000 km
Eccentricity0.155-0.272
Orbital period259.1d
Inclination1.4-46.7°
Is a satellite ofJupiter
Physical characteristics
Equatorial diameter~86 km
Surface area km2
Mass8.7×1018 kg
Mean density2.6 g/cm3
Surface gravity0.031 m/s2
Rotation period~0.5d
Axial tilt
Albedo0.03
Surface temp.
minmeanmax
KKK
Atmospheric pressure0 kPa

Elara (pronounced "EE lar uh") is a moon of Jupiter. It was discovered by Charles Dillon Perrine[?] at Lick Observatory in 1905 and is named after the mother by Zeus of the giant Tityus.



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