Moon
Phoebe
Moon of Saturn
Moon of Saturn
Photo: NASA/JPL/Space Science Institute · Public domain · Wikimedia Commons
Phoebe is the most massive irregular satellite of Saturn with a mean diameter of 213 km (132 mi). It was discovered by William Henry Pickering on 18 March 1899 from photographic plates that had been taken by DeLisle Stewart starting on 16 August 1898 at the Boyden Station of the Carmen Alto Observatory near Arequipa, Peru. It was the first natural satellite to be discovered photographically.
Description from Wikipedia (CC BY-SA 4.0).
Key facts
Distance
Orbits Saturn
Orbits
Saturn
Mean radius
106 km
Orbital period
551 days
Discovered
1898 · William Henry Pickering
Orbits
Saturn
