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Solar System Exploration
Miranda: Facts & Figures
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Discovered By
Gerard P. Kuiper
Date of Discovery
16 February 1948
Orbit Size Around Uranus (semi-major axis)
Metric: 129,900 km
English: 80,716 miles
Scientific Notation: 1.299 x 105 km (8.68 x 10-4 A.U.)
Periapsis (closest)
Metric: 129,731 km
Apoapsis (farthest)
Metric: 130,069 km
Sidereal Orbit Period (Length of Year)
0.00387 Earth years
1.413 Earth days
Orbit Circumference
Metric: 816,185.43 km
Average Orbit Velocity
Metric: 24,067.7 km/h
Orbit Eccentricity
Orbit Inclination
Mean Radius
Metric: 235.8 ± 0.7 km
English: 146.5 ± 0.4 miles
Scientific Notation: 2.358 x 102 km
By Comparison: 0.0370
Equatorial Circumference
Metric: 1481.6 km
Metric: 54,918,670 km3
Metric: 65,941,411,056,276,500,000 kg
Metric: 1.214 g/cm3
Surface Area
Metric: 698,710.82 km2
Surface Gravity
Metric: 0.079 m/s2
Escape Velocity
Metric: 695 km/h

Additional Information:

-USGS Astrogeology: Gazetteer of Planetary Nomenclature:

-JPL Solar System Dynamics:

-Voyager: Uranus' Moons:

-U.S. Geological Survey: Miranda:

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

-Uranus: the planet, rings and satellites, second edition; Ellis D. Miner, Wiley-Praxis Series in Astronomy and Astrophysics, 1998 (see especially the section on Miranda pp. 317-327)
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Last Updated: 17 Jun 2014