Paaliaq

Paaliaq is a prograde irregular satellite of Saturn.

It was discovered by J. J. Kavelaars, Brett J. Gladman, Jean-Marc Petit, Hans Scholl, Matthew J. Holman, Brian G. Marsden, Philip D. Nicholson and Joseph A. Burns in early October 2000, and given the temporary designation S/2000 S 2. It was named in August 2003 after a fictional shaman in the book The Curse of the Shaman, written by Michael Kusugak, who supplied Kavelaars with the names of giants from Inuit mythology that were used for other Saturnian moons.

Paaliaq
Paaliaq
Time lapse of Paaliaq moving along its orbit that lead to its discovery
Discovery
Discovered byJ. J. Kavelaars et al.
Discovery dateOctober 2000
Designations
Designation
Saturn XX
Pronunciation/ˈpɑːli.ɑːk/
S/2000 S 2
AdjectivesPaaliapian, Paaliaqian
Orbital characteristics
Epoch 2000 January 1.5
14 997 300 km
Eccentricity0.384
687.1 d
(1.88 yr)
Inclination47.1°
Satellite ofSaturn
GroupInuit group (Paaliaq)
Physical characteristics
Mean radius
14.5 km
Mass2.94×1016 kg (calculated)
Mean density
2.3 g/cm3 (assumed)
18.79±0.09 h
Albedo0.06 (assumed)
Spectral type
red
B−V=0.86, R−V=0.40
D
21.3
11.38±0.26 (V)

Paaliaq is thought to be about 29 kilometres in diameter, and orbits Saturn at an average distance of 15.0 million km in 687 days. It is a member of the Inuit group of irregular satellites. It also has a proximity with 9 other moons reaching up to ten miles from each.[clarification needed]

It is light red in color, and in the infrared the Paaliapian (Paaliaqan) spectrum is very similar to the Inuit-group satellites Kiviuq and Siarnaq, supporting the thesis of a possible common origin of the Inuit group in the break-up of a larger body. Its light curve has an unusual pattern of four minima, suggesting that it has a very peculiar shape.

Paaliaq
Paaliaq imaged by the CFHT on 23 September 2000

Notes

References

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Paaliaq 
This audio file was created from a revision of this article dated 6 February 2010 (2010-02-06), and does not reflect subsequent edits.

Tags:

Brett J. GladmanBrian G. MarsdenHans Scholl (astronomer)Inuit mythologyIrregular satelliteJ. J. KavelaarsJean-Marc PetitJoseph A. BurnsMatthew J. HolmanMichael KusugakPhilip D. NicholsonRetrograde motionSaturn

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