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Solar System Exploration
Atlas: Facts & Figures
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Discovered By
R. Terrile, Voyager 1
Date of Discovery
Orbit Size Around Saturn (semi-major axis)
Metric: 137,670 km
English: 85,544 miles
Periapsis (closest)
Metric: 137,505 km
Apoapsis (farthest)
Metric: 137,835 km
Sidereal Orbit Period (Length of Year)
0.001648186 Earth years
0.602 Earth days
Orbit Circumference
Metric: 865,005.81 km
Average Orbit Velocity
Metric: 59,870.3 km/h
Orbit Eccentricity
Orbit Inclination
0.003 degree
Mean Radius
Metric: 15.1 km
By Comparison: 18.5 x 17.2 x 13.5 km, tri-axial
Equatorial Circumference
Metric: 94.9 km
Metric: 14,422 km3
Metric: 6,594,141,105,627,650 kg
Scientific Notation: 6.5941 x 1015 kg
Metric: 0.46 g/cm3
Surface Area
Metric: 2,865.26 km2
Surface Gravity
Metric: 0.002 m/s2
Escape Velocity
Metric: 27 km/h
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Last Updated: 12 Aug 2013