- Fenrir (moon)
Fenrir (IPAEng|ˈfɛnrɪr "FEN-rirr)" or Saturn XLI (provisional designation S/2004 S 16) is a
natural satellite ofSaturn . Its discovery was announced byScott S. Sheppard ,David C. Jewitt ,Jan Kleyna , andBrian G. Marsden onMay 4 ,2005 , from observations taken betweenDecember 13 ,2004 , andMarch 5 ,2005 .Fenrir is about 4 kilometres in diameter, and orbits Saturn at an average distance of 22,611 Mm in 1269.362 days, at an
inclination of 163° to theecliptic (143° to Saturn's equator), in a retrograde direction and with an eccentricity of 0.131.It was named in April 2007 after
Fenrisulfr , a giant wolf fromNorse mythology , father ofHati andSkoll , son ofLoki , destined to break its bonds forRagnarök .References
* [http://www.ifa.hawaii.edu/~sheppard/satellites/satsatdata.html Institute for Astronomy Saturn Satellite Data]
* [http://www.ifa.hawaii.edu/~jewitt/saturn2005.html Jewitt's New Satellites of Saturn page]
* [http://cfa-www.harvard.edu/iauc/08500/08523.html IAUC 8523: "New Satellites of Saturn"] May 4 2005 (discovery)
* [http://cfa-www.harvard.edu/mpec/K05/K05J13.html MPEC 2005-J13: "Twelve New Satellites of Saturn"]May 3 2005 (discovery and ephemeris)
* [http://cfa-www.harvard.edu/iauc/08800/08826.html IAUC 8826: "Satellites of Jupiter and Saturn"] (subscription-only)2007 April 5 (naming the moon)da:S/2004 S 16 nl:S/2004 S16 sv:S/2004 S 16
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