Mundilfari (moon)

Brett Gladman et al.

Mundilfari ( Saturn XXV) is one of the smaller outer moons of the planet Saturn.

Discovery

The discovery of Mundilfari by a team consisting of Brett Gladman, John J. Kavelaars, Jean -Marc Petit, Hans Scholl, Matthew J. Holman, Brian G. Marsden, Philip D. Nicholson, Joseph A. Burns on recordings from September 23 until 27 November 2000, announced on 7 December 2000. Mundilfari first received the provisional designation S/2000 S 9 was named after the moon Mundilfari, a giant from Norse mythology.

Path data

Mundilfari orbiting Saturn on an eccentric orbit at an average distance of 18,722,000 km in 951 days and 13 hours. The orbital eccentricity is 0.2078. The track is 167.461 ° inclined to the ecliptic and therefore retrograde, that is, the moon runs opposite to the direction of rotation of Saturn around the planet.

Structure and physical data

Mundilfari has a diameter of about 7 km, and a day - night cycle takes about 6 ¾ hours. This is the second shortest previously known rotation period of a moon in the solar system.

With an apparent magnitude of 23.8 m Mundilfari is an extremely light faint object.

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