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Helene (moon)


Helene, as imaged by Voyager 2 (NASA)

Helene is a moon of Saturn, discovered by Laques and Lecacheux in 1980 from ground-based observations. It is co-oribtal with Dione and located in its leading Lagrangian point (L4) and hence is sometimes referred to as "Dione B".

  • Orbital radius: 377,400 km
  • Diameter: 33 km (36 x 32 x 30)
  • Mass: Unknown
  • Orbital period: 2.7369 days
  • Orbital inclination: 0.2°



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