Helene (moon)
Helene is a moon of Saturn. It shares its orbit with larger moon Dione. It leads in front of Dione in its orbit around Saturn by 60 degrees. It was discovered in 1980 by a couple of astronomers based on observations from the Earth.
Helene (moon) Media
Animation of Helene's orbit relative to Saturn and Dione Polydeuces · Helene · Dione · Saturn
Flow-like features on Helene's leading hemisphere (Cassini, January 2011)
Image of Helene against the backdrop of Saturn's clouds (Cassini, March 3, 2010)
Helene's Saturn-facing side, lit by saturnshine (Cassini, March 2010)
Close-up of Helene with Saturn in the background (Cassini, March 2010)
Cassini image from March 3, 2010
Cassini orbiter image from November 2008
Voyager 2 image (August 1981)
