File:Skoll-Cassini.png · Wikimedia Commons · See Wikimedia Commons
Key facts
- Discovered by
- S. S. Sheppard , D. C. Jewitt , J. Kleyna
- Designation
- Saturn XLVII
- Pronunciation
- English: / ˈ s k ɒ l / , Old Norse: [ skœlː ] (approximately / s k ɜːr l / )
- Named after
- Sköll
- Alternative names
- S/2006 S 8
- Semi major axis
- 17 560 000 km
- Orbital period sidereal
- 869 days , (2.38 yr )
- Inclination
- 156°
- Satellite of
- Saturn
- Group
- Norse group
- Mean diameter
- 5 +50%, −30% km
- Synodic rotation period
- 7.26 ± 0.09 ? h
- Albedo
- 0.06 (assumed)
- Spectral type
- r – i = 0.36 ± 0.08
via Wikipedia infobox
Wikidata facts
- Diameter
- 5
- Orbital period
- 869
Show 7 more facts
- time of discovery or invention
- 2006-01-05
- provisional designation
- S/2006 S 8
- Commons category
- Skoll (moon)
- orbital eccentricity
- 0.418
- semi-major axis of an orbit
- 17610000
- orbital inclination
- 156
- albedo
- 0.04
via Wikidata · CC0
~1 min read
Article
Skoll, 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.
Skoll is about 5 kilometres in diameter (assuming an albedo of 0.06) and orbits Saturn at an average distance of 17.6 Gm (million km) in 869 days, following a highly eccentric and moderately inclined orbit. A rotation period of 7.26±0.04 h was obtained by Cassini–Huygens in 2016, but this is in strong disagreement with 2013 data for unknown reasons; one possible explanation is variation in the rotation speed and axis due to Milankovitch wobble.