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Tarvos (moon)

Moon of Saturn From Wikipedia, the free encyclopedia

Tarvos (moon)
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Tarvos /ˈtɑːrvɒs/, or Saturn XXI, is a prograde irregular satellite of Saturn. It was discovered by John J. Kavelaars et al. on September 23, 2000, and given the temporary designation S/2000 S 4. The name, given in August 2003, is after Tarvos, a deity depicted as a bull god carrying three cranes alongside its back from Gaulish mythology.[8]

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Orbit

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Discovery images of Tarvos (circled) taken by the CFHT

Tarvos orbits Saturn at an average distance of 18 million km in 926 days and is about 15 km in diameter (assuming an albedo of 0.06).[5] It has a high orbital eccentricity of 0.53.[4]

It is a member of the Gallic group of irregular satellites.

Origin

With a similar orbit and displaying a similar light-red colour to Albiorix, Tarvos is thought to have its origin in the break-up of a common progenitor[6][9] or to be a fragment of that body.[10]

References

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