Leda [LEE-duh] is the ninth known and smallest satellite of Jupiter. Leda was the queen of Sparta and the mother of Helen and Pollux. The picture shown above is the discovery image of Leda. Very little is known about Leda.
Discovered by C. Kowal
Date of discovery 1974
Mass (kg) 5.68e+15
Mass (Earth = 1) 9.5047e-10
Equatorial radius (km) 8
Equatorial radius (Earth = 1) 1.2543e-03
Mean density (gm/cm^3) 2.7
Mean distance from Jupiter (km) 11,094,000
Rotational period (days) ?
Orbital period (days) 238.72
Mean orbital velocity (km/sec) 3.38
Orbital eccentricity 0.1476
Orbital inclination (degrees) 26.07
Escape velocity (km/sec) 0.0097
Visual geometric albedo ?
Magnitude (Vo) 20.2
Jupiter Callisto Himalia
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