Encyclopedia > Helene (moon)

  Article Content

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°

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
Charlie Chaplin

... (short) 1914 Her Friend the Bandit[?] (short) 1914 His Favorite Pastime[?] (short) 1914 His Musical Career[?] (short) 1914 His New Profession[?] (short) ...