What is Aegir (moon)?
'''Aegir''' or '''Saturn XXXVI''' (provisional designation '''S/2004 S 10''') is a [[Satellite (natural)|moon]] of [[Saturn (planet)|Saturn]]. Its discovery was announced by [[Scott S. Sheppard]], [[David C. Jewitt]], [[Jan Kleyna]], and [[Brian G. Marsden]] on May 4, 2005, from observations taken between December 12, 2004, and March 11, 2005. Aegir is about 6 kilometres in diameter, and orbits Saturn at an average distance of 19,618,000&nbsp;km in 1025.908 days, at an [[inclination]] of 167° to the [[ecliptic]] (140° to Saturn's equator), with an [[Orbital eccentricity|eccentricity]] of 0.237. It was named in April 2007 after [[Ægir]], a giant from [[Norse mythology]], the personification of tranquil seas, the one who soothes storms away. He is a son of [[Fornjót]], and brother of [[Logi]] (fire, flame) and [[Kári]] (wind). == 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) {{Moons of Saturn}} {{sci-stub}} [[Category:Saturn's moons]]