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Jarnsaxa ( ), also known as Saturn L (provisional designation S/2006 S 6), is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, and Brian G. Marsden on June 26, 2006, from observations taken between January 5 and April 29, 2006. Jarnsaxa is about 6 kilometres in diameter, and orbits Saturn at an average distance of 18,556.9 Mm in 943.784 days, at an inclination of 162.9° to the ecliptic (164.1° to Saturn's equator), in a retrograde direction and with an eccentricity of 0.1918. It is a member of the Norse group of irregular satellites. It is named after Járnsaxa, a giantess in Norse mythology. ==References== * (Institute for Astronomy Saturn Satellite Data ) * (IAUC 8727: ''Satellites of Saturn'' ) June 30, 2006 (discovery) * (MPEC 2006-M45: ''Eight New Satellites of Saturn'' ) June 26, 2006 (discovery and ephemeris) * (MPEC 2007-D79: ''S/2006 S 6'' ) February 28, 2007 (recovery) * (IAUC 8873: ''Satellites of Saturn'' ) September 20, 2007 (naming) Jarnsaxa was named by Alisha Toporski (aged 8 years at the time), daughter of a colleague of Scott Sheppard. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Jarnsaxa (moon)」の詳細全文を読む スポンサード リンク
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