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Solar System Exploration
Callirrhoe: Facts & Figures
   Back to Jupiter   Overview   Facts & Figures 
Discovered By
Jim V. Scotti, Timothy B. Spahr, Robert S. McMillan, Jeffrey A. Larsen, Joe Montani, Arianna E. Gleason, and Tom Gehrels
Date of Discovery
19 October 1999
Orbit Size Around Jupiter (semi-major axis)
Metric: 24,102,000 km
English: 14,976,288 miles
By Comparison: 0.16111
Periapsis (closest)
Metric: 17,283,544 km
Apoapsis (farthest)
Metric: 30,920,456 km
Sidereal Orbit Period (Length of Year)
2.077399042 Earth years
758.77 Earth days
By Comparison: Retrograde orbit
Orbit Circumference
Metric: 148,360,304.47 km
Average Orbit Velocity
Metric: 8,147.0 km/h
Orbit Eccentricity
Orbit Inclination
By Comparison: Retrograde orbit
Mean Radius
Metric: 4.3 km
English: 2.7 miles
Equatorial Circumference
Metric: 27.0 km
Metric: 333 km3
Metric: 869,227,691,196,372 kg
Scientific Notation: 8.6923 x 1014 kg
Metric: 2.6 g/cm3
Surface Area
Metric: 232.35 km2
Surface Gravity
Metric: 0.003 m/s2
Escape Velocity
Metric: 19 km/h

Additional Information:

-USGS Astrogeology: Gazetteer of Planetary Nomenclature:

-JPL Solar System Dynamics:

-Solar System Moons: Discovery and Mythology by Jürgen 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

-Encyclopædia Britannica Online. 2010:
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Last Updated: 8 Mar 2011