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|period=869 days <br>(2.38 [[Julian year (astronomy)|yr]])
|period=869 days <br>(2.38 [[Julian year (astronomy)|yr]])
|mean_diameter = {{val|5|50|30|+errend=%|-errend=%|u=km}}<ref name="LPSC2654"/>
|mean_diameter = {{val|5|50|30|+errend=%|-errend=%|u=km}}<ref name="LPSC2654"/>
|rotation={{val|7.26|0.09}} h<ref name="LPSC2654">{{cite conference
|rotation={{val|7.26|0.09}}? h<ref name="LPSC2654">{{cite conference
|title=Cassini Observations of Saturn's Irregular Moons
|title=Cassini Observations of Saturn's Irregular Moons
|url=https://www.hou.usra.edu/meetings/lpsc2019/pdf/2654.pdf
|url=https://www.hou.usra.edu/meetings/lpsc2019/pdf/2654.pdf

Revision as of 08:33, 10 March 2020

Skoll
Discovery[1]
Discovered byS. S. Sheppard
D. C. Jewitt
J. Kleyna
Discovery date2006
Designations
Designation
Saturn XLVII
Pronunciation/ˈskɒl/, Norse [skœlː] (approximately /ˈskɜːrl/)
Named after
Sköll
S/2006 S 8
Orbital characteristics[2]
17.56 Gm
Eccentricity0.418
869 days
(2.38 yr)
Inclination156°
Physical characteristics
5+50%
−30% km[3]
7.26±0.09? h[3]
Albedo0.04 (assumed)[4]

Skoll /ˈskɒl/ or Saturn XLVII (provisional designation S/2006 S 8) is a retrograde irregular satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt and Jan Kleyna on 26 June 2006 from observations taken between 5 January and 30 April 2006.[2][5]

Skoll is about 6 kilometres in diameter (assuming an albedo of 0.04)[4] and orbits Saturn at an average distance of 17.6 Gm (million km) in 869 days, following a highly eccentric and moderately inclined orbit.

It was named in April 2007[6] after Sköll, a giant wolf from Norse mythology, son of Fenrir and twin brother of Hati.

References

  1. ^ Discovery Circumstances from JPL
  2. ^ a b MPEC 2006-M45: Eight New Satellites of Saturn 26 June 2006 (discovery and ephemeris)
  3. ^ a b Denk, T.; Mottola, S. (2019). Cassini Observations of Saturn's Irregular Moons (PDF). 50th Lunar and Planetary Science Conference. Lunar and Planetary Institute.
  4. ^ a b Cite error: The named reference SheppardPage was invoked but never defined (see the help page).
  5. ^ IAUC 8727: Satellites of Saturn 30 June 2006 (discovery)
  6. ^ IAUC 8826: Satellites of Jupiter and Saturn 5 April 2007 (naming the moon)
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