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Solar System Exploration
Leda: Facts & Figures
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Discovered By
Charles T. Kowal
Date of Discovery
14 September 1974
Orbit Size Around Jupiter (semi-major axis)
Metric: 11,165,000 km
English: 6,937,609 miles
Periapsis (closest)
Metric: 9,338,406 km
Apoapsis (farthest)
Metric: 12,991,594 km
Sidereal Orbit Period (Length of Year)
0.660 Earth years
240.92 Earth days
Orbit Circumference
Metric: 69,679,979.34 km
Average Orbit Velocity
Metric: 12,051.0 km/h
Orbit Eccentricity
Orbit Inclination
Mean Radius
Metric: 10.0 (assuming an albedo of 0.04) km
Equatorial Circumference
Metric: 62.8 km
Metric: 4,189 km3
Metric: 10,940,279,561,609,500 kg
Scientific Notation: 1.0940 x 1016 kg
Metric: 2.6 g/cm3
Surface Area
Metric: 1,256.64 km2
Surface Gravity
Metric: 0.007 m/s2
Escape Velocity
Metric: 43 km/h
English: 27 mph
Scientific Notation: 12 m/s

Additional Information:

-USGS Astrogeology: Gazetteer of Planetary Nomenclature:

-JPL Solar System Dynamics:

-Solar System Moons: Discovery and Mythology by J├╝rgen Blunck; Springer-Verlag Berlin Heidelberg 2010

-Encyclopedia of the Solar System, second edition; edited by Lucy-Ann McFadden, Paul R. Weissman, and Torrence V. Johnson; Academic Press 2007

-Ellis Miner
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Last Updated: 25 Apr 2012