Helene
Helene information Average distance from Saturn: 377400 km (0.0025 AU) Equatorial radius: 18 x 16 x 15 km (Diameter: 36 km) Mass: 800000000000000000 kg Siderial orbit period (length of year): 2.7369 earth days Orbital eccentricity: 0.005 Orbital inclination to ecliptic: 0.0 degrees		Helene, Saturn XII
Helene Helene is the name of an Amazon who battled with Achilles. Discovered by Laques and Lecacheux in 1980 from ground-based observations. Helene is in Dione's leading Lagrange point and hence was sometimes referred to as 'Dione B'.
More Discovered by P. Laques & J. Lecacheux in 1980
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