Skoll (moon)

Short description: Moon of Saturn

Skoll

Image of Skoll taken by Cassini on February 23, 2016

Discovery[1]
Discovered by| S. S. Sheppard
D. C. Jewitt
J. Kleyna
Discovery date| 2006
Designations

Designation

| Saturn XLVII
Pronunciation| English: /skɒl/
Old Norse: [skœlː] (approximately /skɜːrl/)
Named after| Sköll

Alternative names

| S/2006 S 8
Orbital characteristics[2]

Semi-major axis

| 17560000000 km
Eccentricity| 0.418
Orbital period| 869 days
(2.38 yr)
Inclination| 156°
Satellite of| Saturn
Group| Norse group
Physical characteristics
Mean diameter| 5+50%
−30% km[3]
Rotation period| 7.26±0.09? h[3]
Albedo| 0.04 (assumed)[4]

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.[2][5]

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

It was named in April 2007[7] after Sköll, a giant wolf from Norse mythology, son of Fenrir and twin brother of Hati.

## References

1. ↑ Discovery Circumstances from JPL
2. ↑ 2.0 2.1 MPEC 2006-M45: Eight New Satellites of Saturn 26 June 2006 (discovery and ephemeris)
3. ↑ 3.0 3.1 Denk, T.; Mottola, S. (2019). "Cassini Observations of Saturn's Irregular Moons". 50th Lunar and Planetary Science Conference. Lunar and Planetary Institute. https://www.hou.usra.edu/meetings/lpsc2019/pdf/2654.pdf.
4. ↑ 4.0 4.1 Scott Sheppard's pages
5. ↑ IAUC 8727: Satellites of Saturn 30 June 2006 (discovery)
6. ↑ Denk, T.; Mottola, S.; Bottke, W. F.; Hamilton, D. P. (2018). "The Irregular Satellites of Saturn". Enceladus and the Icy Moons of Saturn. 322. University of Arizona Press. pp. 409–434. doi:10.2458/azu_uapress_9780816537075-ch020. ISBN 9780816537488. Bibcode: 2018eims.book..409D. https://tilmanndenk.de/wp-content/uploads/DenkEtAl2018_IrregularMoons.pdf.
7. ↑ "IAUC 8826: Sats OF JUPITER, SATURN; RING OF URANUS; 2006 VV_2". http://www.cbat.eps.harvard.edu/iauc/08800/08826.html.

* MPC: Natural Satellites Ephemeris Service
* Mean orbital parameters from NASA JPL

## External links

* David Jewitt's pages

* v
* t
* e

Saturn

* Outline of Saturn

Geography|

* Dragon Storm
* Great White Spot
* Hexagon
* Magnetosphere
* Rings

Moons|

* S/2009 S 1
* Ring moonlets
* Pan
* Daphnis
* Atlas
* Prometheus
* S/2004 S 6
* S/2004 S 4
* S/2004 S 3
* Pandora
* Epimetheus
* Janus
* Aegaeon
* Mimas
* Methone
* Anthe
* Pallene
* Enceladus
* Tethys
* Telesto
* Calypso
* Dione
* Helene
* Polydeuces
* Rhea
* Titan
* Hyperion
* Iapetus
* Kiviuq
* Ijiraq
* Phoebe
* Paaliaq
* Skathi
* S/2004 S 37
* Albiorix
* S/2007 S 2
* S/2004 S 29
* Bebhionn
* Erriapus
* Skoll
* S/2004 S 31
* Siarnaq
* Tarqeq
* S/2004 S 13
* Greip
* Hyrrokkin
* Jarnsaxa
* Tarvos
* Mundilfari
* S/2006 S 1
* S/2004 S 17
* Bergelmir
* Narvi
* S/2004 S 20
* Suttungr
* Hati
* S/2004 S 12
* S/2004 S 27
* Farbauti
* Thrymr
* S/2004 S 30
* Aegir
* S/2007 S 3
* Bestla
* S/2004 S 7
* S/2004 S 22
* S/2004 S 23
* S/2004 S 25
* S/2004 S 32
* S/2006 S 3
* S/2004 S 38
* Fenrir
* S/2004 S 28
* Surtur
* Kari
* S/2004 S 35
* Ymir
* S/2004 S 21
* S/2004 S 24
* Loge
* S/2004 S 36
* S/2004 S 39
* S/2004 S 33
* S/2004 S 34
* Fornjot
* S/2004 S 26

Astronomy|

* Delta Octantis
* Saturn-crossing minor planets

Exploration|

* Cassini–Huygens (Huygens)
* timeline
* retirement
* Pioneer 11
* Voyager program
* Voyager 1
* Voyager 2

Related|

* Fiction
* Moons
* The Day the Earth Smiled
* In Saturn's Rings (2018 documentary)

* v
* t
* e

Natural satellites of the Solar System

Planetary
satellites|

* Terrestrial
* Martian
* Jovian
* Saturnian
* Uranian
* Neptunian

Dwarf-planet
satellites|

* Plutonian
* Haumean
* Makemakean
* Eridian
* OR10
* Quaoaran
* Orcean

Minor-planet moons|

* Main belt binaries:
* Antiope
* Frostia
* Berna
* Tokai
* Ostro
* Balam
* Doppler
* Pauling
* Iwamoto
* Wolff
* Bettig
* Christophedumas
* Trojans:
* Patroclus–Menoetius
* Hektor–Skamandrios
* Iphthime
* Eurydamas
* TNOs:
* Huya
* Typhon–Echidna
* Lempo–Paha–Hiisi
* 2002 UX25
* Logos–Zoe
* Ceto–Phorcys
* Borasisi–Pabu
* Sila–Nunam
* Teharonhiawako–Sawiskera
* Salacia–Actaea
* 2002 WC19
* Altjira
* Varda–Ilmarë
* 2003 AZ84
* Gǃkúnǁʼhòmdímà–Gǃòʼé ǃHú
* Mors–Somnus
* Manwë–Thorondor
* ǂKá̦gára–ǃHãunu
* 2013 FY27

Ranked by size|

* Planetary-mass moon
* Ganymede
* largest: 5268 km / 0.413 Earths
* Titan
* Callisto
* Io
* Moon
* Europa
* Triton
* Titania
* Rhea
* Oberon
* Iapetus
* Charon
* Umbriel
* Ariel
* Dione
* Tethys
* Dysnomia
* Enceladus
* Miranda
* Vanth
* Proteus
* Mimas
* Ilmarë
* Nereid
* Hiʻiaka
* Actaea
* Hyperion
* ...

* Discovery timeline
* Inner moons
* Irregular moons
* List
* Planetary-mass moons
* Naming
* Subsatellite
* Regular moons
* Trojan moons

* v
* t
* e

Moons of Saturn

Listed in approximately increasing distance from Saturn.

Ring shepherds|

* S/2009 S 1
* Ring moonlets
* Pan
* Daphnis
* Atlas
* Prometheus
* Pandora

Co-orbitals|

* Epimetheus
* Janus

G Ring|

* Aegaeon

Alkyonides|

* Methone
* Anthe
* Pallene

Inner large
(with trojans)|

* Mimas
* Enceladus
* Tethys
* Telesto
* Calypso
* Dione
* Helene
* Polydeuces

Outer large|

* Rhea
* Titan
* Hyperion
* Iapetus

Inuit group|

* Kiviuq
* Ijiraq
* Paaliaq
* S/2004 S 29
* S/2004 S 31
* Siarnaq
* Tarqeq

Norse group|

* Phoebe
* Skathi
* S/2004 S 37
* S/2007 S 2
* Skoll
* S/2004 S 13(?)
* Greip
* Hyrrokkin
* Jarnsaxa
* Mundilfari
* S/2006 S 1
* S/2004 S 17(?)
* Bergelmir
* Narvi
* S/2004 S 20
* Suttungr
* Hati
* S/2004 S 12(?)
* S/2004 S 27
* Farbauti
* Thrymr
* S/2004 S 30
* Aegir
* S/2007 S 3(?)
* Bestla
* S/2004 S 7(?)
* S/2004 S 22(?)
* S/2004 S 23(?)
* S/2004 S 25(?)
* S/2004 S 32(?)
* S/2006 S 3
* S/2004 S 38(?)
* Fenrir
* S/2004 S 28(?)
* Surtur
* Kari
* S/2004 S 35(?)
* Ymir
* S/2004 S 21(?)
* Loge
* S/2004 S 36(?)
* S/2004 S 39(?)
* S/2004 S 33(?)
* S/2004 S 34(?)
* Fornjot
* S/2004 S 26(?)

Gallic group|

* Albiorix
* Bebhionn
* Erriapus
* Tarvos

Prograde outer satellites|

* S/2004 S 24

* Rings of Saturn
* Cassini–Huygens
* Themis
* Chiron
* S/2004 S 6
* S/2004 S 4
* S/2004 S 3
* In fiction

0.00

(0 votes)

Original source: https://en.wikipedia.org/wiki/Skoll (moon). Read more

|

Retrieved from "https://handwiki.org/wiki/index.php?title=Astronomy:Skoll_(moon)&oldid=177049"
*[v]: View this template
*[t]: Discuss this template
*[e]: Edit this template