Elara
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.
| Elara Statistics | |
|---|---|
| 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 (degrees) | 24.77 |
| Escape velocity (km/sec) | 0.0522 |
| Visual geometric albedo | 0.03 |
| Magnitude (Vo) | 16.77 |

Jupiter
Lysithea
Ananke