Hyrrokkin (pronounced /ˌhɪˈrɒkɨn/ hirr-ROK-in) or Saturn XLIV (provisional designation S/2004 S 19) 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 December 12, 2004 and April 30, 2006.
Hyrrokkin is about 8 kilometres in diameter, and orbits Saturn at an average distance of 18,168.3 Mm in 914.292 days, at an inclination of 153.3° to the ecliptic (154.3° to Saturn's equator), in a retrograde direction and with an eccentricity of 0.3604.
It was named in April 2007 after Hyrrokkin, a giantess from Norse mythology, who launched Hringhorni, Baldr's funeral ship. It was originally listed as being spelled Hyrokkin, but the spelling was later corrected.
* Institute for Astronomy Saturn Satellite Data
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