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Cressida: Facts & Figures
   Back to Uranus   Overview   Gallery   Facts & Figures   News 
Discovered By
Voyager 2
Date of Discovery
9 January 1986
Orbit Size Around Uranus (semi-major axis)
Metric: 61,800 km
English: 38,401 miles
Periapsis (closest)
Metric: 61,775 km
Apoapsis (farthest)
Metric: 61,825 km
Sidereal Orbit Period (Length of Year)
0.001270363 Earth years
0.464 Earth days
Orbit Circumference
Metric: 388,300.84 km
Average Orbit Velocity
Metric: 34,869.0 km/h
Orbit Eccentricity
0.0004
Orbit Inclination
0.006
Mean Radius
Metric: 39.8 km
Equatorial Circumference
Metric: 250.1 km
Volume
Metric: 264,081 km3
Mass
Metric: 343,195,071,179,257,000 kg
Scientific Notation: 3.4320 x 1017 kg
Density
Metric: 1.3 g/cm3
Surface Area
Metric: 19,905.63 km2
Surface Gravity
Metric: 0.014 m/s2
Escape Velocity
Metric: 122 km/h

Additional Information:

-USGS Astrogeology: Gazetteer of Planetary Nomenclature: http://planetarynames.wr.usgs.gov/append7.html

-JPL Solar System Dynamics: http://ssd.jpl.nasa.gov/

-Encyclopedia of the Solar System, second edition; edited by Lucy-Ann McFadden, Paul R. Weissman, and Torrence V. Johnson; Academic Press 2007
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Last Updated: 12 Aug 2013