Lonely, Lumpy Janus

The irregularly shaped moon Janus keeps up its lonely orbit as seen by NASA Cassini spacecraft. Even though Janus shares its orbit with the moon Epimetheus, they never get very close to one another.

The irregularly shaped moon Janus keeps up its lonely orbit as seen by NASA Cassini spacecraft. Even though Janus shares its orbit with the moon Epimetheus, they never get very close to one another.