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Greip (moon)

Moon of Saturn

Summary

Moon of Saturn

Field	Value
name	Greip
image	Greip-cassini.png
caption	Greip imaged by the Cassini spacecraft in September 2015
mpc_name	Saturn LI
alt_names	S/2006 S 4
discovered	2006
discoverer	Scott S. Sheppard
David C. Jewitt
Jan T. Kleyna
Brian G. Marsden
named_after	Greipa
orbit_ref
semimajor
inclination	179.8°
eccentricity	0.326
period	−921.2 days
satellite_of	Saturn
group	Norse group
physical_ref
mean_diameter
rotation	? h
albedo	0.06 (assumed)
magnitude	24.4
abs_magnitude	15.4

David C. Jewitt Jan T. Kleyna Brian G. Marsden

Greip or Saturn LI is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, and Brian G. Marsden on 26 June 2006, from observations taken between 5 January and 1 May 2006. Greip is about 5 kilometres in diameter, and orbits Saturn at an average distance of 18,066 Mm in 906.556 days, at an inclination of 172.7° to the ecliptic (159.2° to Saturn's equator), in a retrograde direction and with an eccentricity of 0.3735, and is presumably at high risk of eventually colliding with Phoebe. It is unknown whether Greip is more similar to Suttungr or Hyrrokkin in color. Its rotation period is most likely hours with two minima in the light curve,{{cite conference |title=Cassini Observations of Saturn's Irregular Moons

It is named after Greip, a giantess in Norse mythology.

References

[https://sites.google.com/carnegiescience.edu/sheppard/moons/saturnmoons S.S. Sheppard (2019), Moons of Saturn, ''Carnegie Science'', on line]
(2018). "Enceladus and the Icy Moons of Saturn". [[The University of Arizona Press]].

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

norse-group moons-of-saturn irregular-satellites discoveries-by-scott-s.-sheppard astronomical-objects-discovered-in-2006 moons-with-a-retrograde-orbit

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