Jupiter VII
Elara [EE-lar-uh] is the twelfth known satellite of Jupiter. Elara and Zeus were the parents of Tityus the giant. Very little is known about Elara.
Discovered by .................................... C. Perrine Date of discovery ...................................... 1905 Mass (kg) .......................................... 7.77e+17 Mass (Earth = 1) ................................. 1.3002e-07 Equatorial radius (km) ................................... 38 Equatorial radius (Earth = 1) .................... 5.9580e-03 Mean density (gm/cm^3) .................................. 3.3 Mean distance from Jupiter (km) .................. 11,737,000 Rotational period (days) ................................ 0.5 Orbital period (days) .............................. 259.6528 Mean orbital velocity (km/sec) ......................... 3.29 Orbital eccentricity ................................. 0.2072 Orbital inclination ................................... 24.77° Escape velocity (km/sec) ............................. 0.0522 Visual geometric albedo ................................ 0.03 Magnitude (Vo) ........................................ 16.77
Jupiter
Lysithea
Ananke