Suttungr (moon)

Suttungr
Discovery
Discovery date	2000
Designations
Designation	Saturn XXIII
Pronunciation	/ˈsʊtʊŋər/[1]
Named after	Suttungr
Alternative names	S/2000 S 12
Adjectives	Suttung /ˈsʊtʊŋ/, ; Suttungian /sʊˈtʊŋiən/
Orbital characteristics [2]
Semi-major axis	19459000 km
Eccentricity	0.114
Orbital period	−1016.7 days
Inclination	175.8°
Satellite of	Saturn
Group	Norse group
Physical characteristics
Mean diameter	7+50%; −30% km[3]
Rotation period	7.67±0.02 h[3]
Apparent magnitude	23.9

Suttungr /ˈsʊtʊŋər/, or Saturn XXIII, is a natural satellite of Saturn. It was discovered by Brett J. Gladman, et al. in 2000, and given the temporary designation S/2000 S 12. It was named for Suttungr in Norse mythology, a Jötunn or giant who once owned the mead of poetry.

Suttungr is about 7 kilometres in diameter, and orbits Saturn at an average distance of 19,667 Mm in 1029.703 days. It may have formed from debris knocked off Phoebe. The Suttung orbit is retrograde, at an inclination of 174° to the ecliptic (151° to Saturn's equator) and with an eccentricity of 0.131. Its rotation period is 7.67±0.02 hours.[3]

Its name was announced in its oblique form Suttung in IAU Circular 8177. However, the IAU Working Group on Planetary System Nomenclature later decided to add the nomintive suffix -r to the base form Suttung.

References

"Suttung". Dictionary.com Unabridged. Random House.
S.S. Sheppard (2019), Moons of Saturn, Carnegie Science, on line
Denk, T.; Mottola, S. (2019). Cassini Observations of Saturn's Irregular Moons (PDF). 50th Lunar and Planetary Science Conference. Lunar and Planetary Institute.

IAUC 7548: S/2000 S 12 December 23, 2000 (discovery)
MPEC 2000-Y33: S/2000 S 12 December 22, 2000 (recovery/discovery and ephemeris)
IAUC 8177: Satellites of Jupiter, Saturn, Uranus August 8, 2003 (naming the moon Suttung)
IAUC 8471: Satellites of Saturn January 21, 2005 (correcting the name)

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[1] "Suttung". Dictionary.com Unabridged. Random House.

[2] S.S. Sheppard (2019), Moons of Saturn, Carnegie Science, on line

[LPSC2654-3] Denk, T.; Mottola, S. (2019). Cassini Observations of Saturn's Irregular Moons (PDF). 50th Lunar and Planetary Science Conference. Lunar and Planetary Institute.

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

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)