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Helene
Moon
Helene
Planet
Saturn
Mass
0.003
Semi-Major Axis
377.4
Sidereal Orbit Period
2.7369
Orbital Eccentricity
0.005
Mean Density
1500
Geometric Albedo
0.7
Radius
15x12.5x7.5
Data+Picture Copyright
N.A.S.A.
