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Janus
Janus
Diameter 194 km
120 mi.
Distance from primary 151,460 km
94,112 mi.
Nickname(s) Two-faced Saturn's Moon

Janus is the sixth satellite of Saturn. It was discovered by Audouin Dollfus in 1966. It is depicted with two faces looking in opposite directions. Janus has an irregular shape with a size of 196x192x150 kilometers (122x119x93 miles) in diameter. It is heavily cratered with several craters 30 kilometers (19 miles) in diameter. The pervasive cratering indicates that its surface must be several billion years old. Prometheus appears to have fewer craters indicating a younger surface while Pandora appears to have an older surface. Janus has few linear features.