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Solar System Exploration
Thebe: Facts & Figures
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Discovered By
Voyager science team
Date of Discovery
Orbit Size Around Jupiter (semi-major axis)
Metric: 221,900 km
English: 137,882 miles
Periapsis (closest)
Metric: 217,995 km
Apoapsis (farthest)
Metric: 225,805 km
Sidereal Orbit Period (Length of Year)
0.001848049 Earth years
0.675 Earth days
Orbit Circumference
Metric: 1,394,130.84 km
Average Orbit Velocity
Metric: 86,057.5 km/h
Orbit Eccentricity
Orbit Inclination
Mean Radius
Metric: 49.3 km
English: 30.6 miles
Equatorial Circumference
Metric: 309.8 km
Metric: 501,914 km3
Metric: 1,498,668,433,097,190,000 kg
Scientific Notation: 1.4987 x 1018 kg
Metric: 3 g/cm3
Surface Area
Metric: 30,542.44 km2
Surface Gravity
Metric: 0.041 m/s2
Escape Velocity
Metric: 229 km/h
English: 142 mph
Scientific Notation: 64 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