Tarvos (moon)

Brett Gladman et al.

Tarvos ( Saturn XXI) is one of the smaller outer moons of the planet Saturn.

Discovery

The discovery of Tarvos by a team consisting of Brett J. Gladman, John J. Kavelaars, Jean -Marc Petit, Hans Scholl, Matthew J. Holman, Brian Marsden, Philip D. Nicholson, Joseph A. Burns on recordings from 23 to September 27, 2000, announced on 25 October 2000. Tarvos first received the provisional designation S/2000 S 4

It was named after the moon Tarvos Trigaranus, a god of Celtic mythology.

Path data

Tarvos orbiting Saturn on an eccentric orbit at an average distance of 18,239,000 km in about 926 days and 3 hours. The orbital eccentricity is 0.5365, the web is highly inclined with 33.495 ° to the ecliptic, which from Saturn represents the Laplace plane at this distance.

Tarvos part of the Gallic group of Saturn's moons.

Structure and physical data

Tarvos has a diameter of 13 km. Its density is 2.3 g/m3 compared to the other Saturn moons relatively high. He is probably composed of water ice with a high proportion of silicate rock. He has a very dark surface with an albedo of 0.06, that is, only 6% of the incident sunlight is reflected. With an apparent magnitude of 22.1 m, it is an extremely light faint object.

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