Atlas orbits around the outer edge of Saturn's A Ring, and acts as a shepherding satellite, constraining the extent of the outer edge of this ring. Atlas was discovered by Voyager in 1980 from photographs taken during its encounter with Saturn.
Diameter: 37 x 34.4 x 27 km (23 x 21.3 x 17 miles)
Mass: 2 x 1015 kg ( 4.4 x 1015 lbs)
Science Goals
Determine general characteristics and geological history of Atlas
Define the different physical processes that created the surface of Atlas
Investigate composition and distribution of surface materials on Atlas, particularly dark, organic-rich materials and condensed ice with low melting point
Determine the bulk composition and internal structure of Atlas
Investigate interaction of Atlas with Saturn's magnetosphere and ring system
Atlas orbits around the outer edge of Saturn's A Ring, and acts as a shepherding satellite, constraining the extent of the outer edge of this ring. Atlas was discovered by Voyager in 1980 from photographs taken during its encounter with Saturn.
