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Solar System Exploration
Carme: Facts & Figures
   Back to Jupiter   Overview   Facts & Figures   News 
Discovered By
Seth Barnes Nicholson
Date of Discovery
30 July 1938
Orbit Size Around Jupiter (semi-major axis)
Metric: 23,404,000 km
English: 14,542,571 miles
Scientific Notation: 2.3404x107 km (1.5645x10-1 A.U.)
Periapsis (closest)
Metric: 17,475,767 km
Apoapsis (farthest)
Metric: 29,332,233 km
Sidereal Orbit Period (Length of Year)
2.010047912 Earth years
734.17 Earth days
By Comparison: Retrograde orbit
Orbit Circumference
Metric: 144,663,765.05 km
Average Orbit Velocity
Metric: 8,210.2 km/h
Orbit Eccentricity
Orbit Inclination
By Comparison: Retrograde orbit
Mean Radius
Metric: 23.0 (assuming an albedo of 0.04) km
English: 14.3 miles
Scientific Notation: 2.3x101 km
Equatorial Circumference
Metric: 144.5 km
Metric: 50,965 km3
Metric: 131,882,822,112,553,000 kg
Scientific Notation: 1.3188x1017 kg
Metric: 2.6 g/cm3
Surface Area
Metric: 6,647.61 km2
Surface Gravity
Metric: 0.017 m/s2
Escape Velocity
Metric: 100 km/h
English: 62 mph
Scientific Notation: 28 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