Science Fair Project Encyclopedia
Thrymr (thrim'-ur) is a natural satellite of Saturn. It was discovered by Gladman, et al. in 2000, and given the temporary designation S/2000 S 7. Thrymr is about 5.6 kilometers in diameter, and orbits Saturn at an average of 20,470,000 kilometers in a retrograde direction. It is also designated as Saturn XXX.
The name is given as Thrym by most sources. This is the name that was originally announced in IAU Circular 8177, however the IAU Working Group on Planetary System Nomenclature (WGPSN) later decided to use the form with the nominative case ending -r rather than just the root.
Thrymr may have formed from debris knocked off of Phoebe at some point in the past.
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