Tarvos (moon)
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Tarvos Template:IPAc-en, 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.[1]
Orbit
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).[2] It has a high orbital eccentricity of 0.53.[3]
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[4][5] or to be a fragment of that body.[6]
References
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External links
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- Ephemeris IAU-MPC NSES
- Saturn's Known Satellites (by Scott S. Sheppard)
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