Atlas 

Atlas is the second satellite of Saturn. It orbits around the outermost area of the A-ring and is measured to be 40 by 20 kilometers (25 x 15 miles) in size. Atlas is probably a shepherd satellite for the A-ring and was discovered by R. Terrile in 1980 through analyzing photos of the Voyager.

Physical Data Key Mass Mass Mass Mass compared to that of Earth. Radius Radius Radius Radius compared to that of Earth. Mean Density Average Density. Distance Distance to the planet's center. Magnitude The brightness of a star or object.

Orbital Data Key Rotational Period Number of days to make one complete rotation. Orbital Period Number of days to obital the planet. Mean Orbital Velocity Average obital speed. Orbital Eccentricity Eccentricity. Orbital Inclination The tilt of the moon or planet. Escape Escape Velocity. Albedo Visual geometric albedo.