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Metis: Facts & Figures
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Discovered By
Stephen Synnott
Voyager 2
Date of Discovery
1980
Orbit Size Around Jupiter (semi-major axis)
Metric: 128,000 km
English: 79,536 miles
Periapsis (closest)
Metric: 127,846 km
Apoapsis (farthest)
Metric: 128,154 km
Orbit Period (Length of Year)
0.295 Earth days
Orbit Circumference
Metric: 804,247.43 km
Average Orbit Velocity
Metric: 113,594.3 km/h
Orbit Eccentricity
0.0012
Orbit Inclination
0.019
Mean Radius
Metric: 21.5 km
Equatorial Circumference
Metric: 135.1 km
Volume
Metric: 41,630 km3
Mass
Metric: 119,893,474,647,775,000 kg
Scientific Notation: 1.1989 x 1017 kg
Density
Metric: 3 g/cm3
Surface Area
Metric: 5,808.80 km2
Surface Gravity
Metric: 0.017 m/s2
Escape Velocity
Metric: 98 km/h
English: 61 mph
Scientific Notation: 27 m/s
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Last Updated: 25 Apr 2012