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Information about Hyrrokkin (moon)

Hyrrokkin (hirr-roe'-kin, IPA: /hɪˈrɔʊkɨn/) 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.

References

... | Tarvos | Hyrrokkin | Mundilfari | ...


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Moons of Saturn
Generally listed in increasing distance from Saturn. Temporary names in italics.
Ring shepherdsPan Daphnis Atlas Prometheus S/2004 S 6? S/2004 S 4? S/2004 S 3? Pandora
Co-orbitalsEpimetheus Janus
Inner large
(and Trojan)
Outer largeRhea Titan Hyperion Iapetus
Inuit groupKiviuq Ijiraq Paaliaq Siarnaq S/2007 S 1
Norse group
Phoebe Skathi S/2007 S 2 Skoll S/2004 S 13 S/2006 S 4 Hyrrokkin Mundilfari S/2006 S 6 S/2006 S 1 S/2004 S 17 Narvi Bergelmir Aegir Suttungr S/2004 S 12 Bestla Farbauti Hati S/2004 S 7 Thrymr S/2007 S 3 S/2006 S 3 Surtur Kari Fenrir Ymir Loge Fornjot
Gallic groupAlbiorix Bebhionn Erriapo Tarvos
Rings of Saturn Cassini-Huygens Themis
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A natural satellite is an object that orbits a planet or other body larger than itself and which is not man-made. Such objects are often called moons. Technically, the term could also refer to a planet orbiting a star, or even to a star orbiting a galactic center, but these
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Saturn  

Saturn, as seen by Cassini
Orbital characteristics[1][2]
Epoch J2000
Aphelion distance: 1,513,325,783 km
10.11595804 AU
Perihelion distance: 1,353,572,956 km
9.
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Scott S. Sheppard is an astronomer in the Department of Terrestrial Magnetism at the Carnegie Institution of Washington. As a graduate student at the Institute for Astronomy at the University of Hawaii, he was credited with the discovery of many small moons of Jupiter, Saturn,
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David C. Jewitt is a Professor of astronomy at the University of Hawaii Institute for Astronomy. He was born in 1958 in England, and is a 1979 graduate of the University of London. Jewitt received an M.Sc. and a Ph.
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Jan Kleyna, is a postdoctoral astronomy researcher at the University of Hawaii Institute for Astronomy. His area of interest is galaxy dynamics, and he has worked with David C. Jewitt to develop codes for the real-time detection of moving objects such as Jovian satellites.
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Brian G. Marsden (born August 5,1937) is a British astronomer, the longtime director of the Minor Planet Center(MPC).

He specializes in celestial mechanics and astrometry, collecting data on the positions of asteroids and comets and computing their orbits, often from minimal
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For the science fiction novella by William Shunn, see .


Inclination in general is the angle between a reference plane and another plane or axis of direction.
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ecliptic is the apparent path that the Sun traces out in the sky, as it appears to move in the sky in relation to the stars, this apparent path aligns with the planets throughout the course of the year.
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Direct motion is the motion of a planetary body in a direction similar to that of other bodies within its system, and is sometimes called prograde motion. Retrograde motion is motion in the contrary direction.
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orbit's eccentricity, is an important parameter of the orbit that defines its absolute shape. Eccentricity may be interpreted as a measure of how much this shape deviates from a circle.
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Hyrrokkin ("Fire-Smoked", possibly referring to a dark, shrivelled appearance.[1]) is a giantess. She appears to be depicted on one of the surviving stones from the Hunnestad Monument near Marsvinsholm, Sweden called DR 284.
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Norse, Viking or Scandinavian mythology comprises the indigenous pre-Christian religion, beliefs and legends of the Scandinavian peoples, including those who settled on Iceland, where most of the written sources for Norse mythology were assembled.
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In Norse mythology, Hringhorni is the name of the ship of Baldr, described as the "greatest of all ships". According to Gylfaginning, following the murder of Baldr by Loki the other gods brought his body down to the sea and laid him to rest on the ship.
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Baldr (modern Icelandic and Faroese Baldur, Balder is the name in modern Norwegian, Swedish and Danish and sometimes an anglicized form) is, in Norse Mythology, the god of innocence, beauty, joy, purity, and peace, and is Odin's second son.
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Tarvos (tar'-vəs, IPA: /ˈtarvəs/) or Saturn XXI is a prograde irregular satellite of Saturn. It was discovered by John J. Kavelaars, et al.
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