Skathi (moon)
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Skathi_(moon)".

Skathi (pronounced /ˈskɑːði/ SKAH-dhee), or Saturn XXVII, is a natural satellite of Saturn. It was discovered by Brett Gladman,Kavelaars, et al. in 2000, and given the temporary designation S/2000 S 8.12 Skathi is about 6.4 kilometres in diameter, and orbits Saturn at an average distance of 15,576 Mm in 725.784 days, at an inclination of 149° to the ecliptic (150° to Saturn's equator), in a retrograde direction and with an eccentricity of 0.246.

The name is given as Skadi by most sources. This is the name that was originally announced in 20033; however the IAU Working Group on Planetary System Nomenclature (WGPSN) decided in early 2005 to use an alternative transliteration of the Norse spelling4. The classical spelling is Skaði, with the letter Ð (eth), and the original form Skadi was a graphic approximation of that.

Skathi may have been formed from debris knocked off Phoebe by large impacts at some point in the solar system's history.

Its name comes from Norse mythology, where Skaði is a giantess who is the wife of the Vanir god Niord.

References

  1. ^ IAUC 7538: S/2000 S 7, S/2000 S 8, S/2000 S 9 2000 December 7 (discovery)
  2. ^ MPEC 2000-Y15: S/2000 S 1, S/2000 S 2, S/2000 S 7, S/2000 S 8, S/2000 S 9 2000 December 19 (discovery and ephemeris)
  3. ^ IAUC 8177: Satellites of Jupiter, Saturn, Uranus 2003 August 8 (naming the moon)
  4. ^ IAUC 8471: Satellites of Saturn 2005 January 21 (naming the moon)


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Moons of Saturn
Generally listed in increasing distance from Saturn. Temporary names in italics.
Ring shepherds
Co-orbitals
Inner large (with Trojans)
Mimas · Methone · Anthe · Pallene · Enceladus · Tethys (Telesto • Calypso) · Dione (Helene • Polydeuces)
Outer large
Inuit group
Norse group
Phoebe · Skathi · S/2007 S 2 · Skoll · S/2004 S 13 · Greip · Hyrrokkin · Mundilfari · Jarnsaxa · 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 group
Rings of Saturn · Cassini-Huygens · Themis · Chiron
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