Astronomy:Kiviuq (moon)

Kiviuq
	Kiviuq imaged by the Canada-France-Hawaii Telescope in September 2000
Discovery
Discovered by	J. J. Kavelaars et al.
Discovery date	18 November 2000
Designations
Designation	Saturn XXIV
Pronunciation	/ˈkɪvi.ʌk/
Alternative names	S/2000 S 5
Adjectives	Kiviupian, Kiviuqian
Orbital characteristics
	Epoch 2000 Feb. 26.00
Semi-major axis	11.111 Gm
Eccentricity	0.3288
Orbital period	449.22 d ; (1.23 yr)
Inclination	45.71
Satellite of	Saturn
Group	Inuit group (Kiviuq)
Physical characteristics
Mean diameter	17+50%; −30% km
Rotation period	21.97±0.16 h
Albedo	0.04 assumed
Spectral type	B−V=0.87 ; R−V=0.66/0.48; D-type

Short description: Moon of Saturn

Kiviuq is a prograde irregular satellite of Saturn. It was discovered by J. J. Kavelaars^[9] in 2000, and given the temporary designation S/2000 S 5.^[10]^[11] It was named after Kiviuq, a hero of Inuit mythology.^[12]

Kiviuq is about 16–17 km in diameter, and orbits Saturn at an average distance of 11.1 million kilometers in 450 days. It is a member of the Inuit group of irregular satellites. It is light red, and the Kiviupian (Kiviuqan)^[2] infrared spectrum is very similar to the Inuit-group satellites Siarnaq and Paaliaq, supporting the thesis of a possible common origin of the Inuit group in the break-up of a larger body.^[8]^[13]

Kiviuq is believed to be in Kozai resonance, cyclically reducing its orbital inclination while increasing the eccentricity and vice versa.^[14] Its current orbital elements overlap strongly with Phoebe's orbit, and the moons will likely eventually collide with each other.^[15]

The light curve amplitude of Kiviuq is large, varying in brightness by over 2 magnitudes. The large amplitude of Kiviuq suggests that it has an elongated shape, and may be a possible contact binary.^[4]

Exploration

On 30 August 2010, the ISS camera of the Cassini–Huygens spacecraft took light-curve data from a distance of 9.3 million km. With these data, the rotation period was measured to 21 hours and 49 minutes.^[5]

References

↑ Discovery Circumstances (JPL)
↑ ^2.0 ^2.1 The genitive form of Kiviuq is Kiviup. Thus the adjectival form could be absolutive Kiviuqian or genitive Kiviupian, parallel to nominative Venusian and genitive Venerian for Venus. See Inuktitut morphology
↑ Mean orbital parameters from JPL
↑ ^4.0 ^4.1 ^4.2 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.
↑ ^5.0 ^5.1 T. Denk, S. Mottola, et al. (2011): Rotation Periods of Irregular Satellites of Saturn. EPSC/DPS conference 2011, Nantes (France), abstract 1452.
↑ Scott Sheppard pages
↑ Grav, T.; Holman, M. J.; Gladman, B. J.; Aksnes, K.; Photometric survey of the irregular satellites, Icarus, 166 (2003), pp. 33–45
↑ ^8.0 ^8.1 ^8.2 Grav, T.; and Bauer, J.; A deeper look at the colors of Saturnian irregular satellites
↑ Kavelaars, J. J., et al. The discovery of faint irregular satellites of Uranus Icarus 169 (2004), 474.
↑ IAUC 7521: S/2000 S 5, S/2000 S 6 November 18, 2000 (discovery)
↑ MPEC 2000-Y14: S/2000 S 3, S/2000 S 4, S/2000 S 5, S/2000 S 6, S/2000 S 10 December 19, 2000 (discovery and ephemeris)
↑ IAUC 8177: Satellites of Jupiter, Saturn, Uranus August 8, 2003 (naming the moon)
↑ Gladman, B. J.; Nicholson, P. D.; Burns, J. A.; Kavelaars, J. J.; Marsden, B. G.; Holman, M. J.; Grav, T.; Hergenrother, C. W.; Petit, J.-M.; Jacobson, R. A.; and Gray, W. J.; Discovery of 12 satellites of Saturn exhibiting orbital clustering, Nature, 412 (July 12. 2001), pp. 163–166
↑ Ćuk, M.; and Burns, J. A.; On the Secular Behavior of Irregular Satellites, The Astronomical Journal, Vol. 128 (2004), pp. 2518–2541
↑ 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.

Ephemeris from IAU-MPC NSES

External links

David Jewitt pages

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

[Discoverers_JPL-1] Discovery Circumstances (JPL)

[adj-2] 2.0 ^2.1 The genitive form of Kiviuq is Kiviup. Thus the adjectival form could be absolutive Kiviuqian or genitive Kiviupian, parallel to nominative Venusian and genitive Venerian for Venus. See Inuktitut morphology

[3] Mean orbital parameters from JPL

[LPSC2654-4] 4.0 ^4.1 ^4.2 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.

[DenkMottola2011-5] 5.0 ^5.1 T. Denk, S. Mottola, et al. (2011): Rotation Periods of Irregular Satellites of Saturn. EPSC/DPS conference 2011, Nantes (France), abstract 1452.

[Sheppard-6] Scott Sheppard pages

[Grav2003-7] Grav, T.; Holman, M. J.; Gladman, B. J.; Aksnes, K.; Photometric survey of the irregular satellites, Icarus, 166 (2003), pp. 33–45

[Grav2006-8] 8.0 ^8.1 ^8.2 Grav, T.; and Bauer, J.; A deeper look at the colors of Saturnian irregular satellites

[9] Kavelaars, J. J., et al. The discovery of faint irregular satellites of Uranus Icarus 169 (2004), 474.

[10] IAUC 7521: S/2000 S 5, S/2000 S 6 November 18, 2000 (discovery)

[11] MPEC 2000-Y14: S/2000 S 3, S/2000 S 4, S/2000 S 5, S/2000 S 6, S/2000 S 10 December 19, 2000 (discovery and ephemeris)

[12] IAUC 8177: Satellites of Jupiter, Saturn, Uranus August 8, 2003 (naming the moon)

[Gladman2001-13] Gladman, B. J.; Nicholson, P. D.; Burns, J. A.; Kavelaars, J. J.; Marsden, B. G.; Holman, M. J.; Grav, T.; Hergenrother, C. W.; Petit, J.-M.; Jacobson, R. A.; and Gray, W. J.; Discovery of 12 satellites of Saturn exhibiting orbital clustering, Nature, 412 (July 12. 2001), pp. 163–166

[Cuk2004-14] Ćuk, M.; and Burns, J. A.; On the Secular Behavior of Irregular Satellites, The Astronomical Journal, Vol. 128 (2004), pp. 2518–2541

[Denk2018-15] 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.

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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

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)

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