Proteus

Proteus, also known as Neptune VIII, is a moon of Neptune.

16th of June 1989

 * Proteus was discovered by Stephen P. Synnott via Voyager 2.

Other Facts

 * When it was first discovered, Proteus was named S/1989 N 1.
 * Proteus's landscape includes craters and valleys.
 * Proteus's surface temperature is about -222.15°C.