S/2004 S 12

S/2004 S 12 is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, and Brian G. Marsden on May 4, 2005 from observations taken between December 12, 2004 and March 9, 2005.

S/2004 S 12
Discovery[1]
Discovered bySheppard et al.
Discovery date2005
Orbital characteristics[2]
19650000 km
Eccentricity0.401
−1048 days
Inclination164.0°
Satellite ofSaturn
GroupNorse group?
Physical characteristics
Mean diameter
5+50%
−30%
 km
24.8

    S/2004 S 12 is about 5 kilometres in diameter, and orbits Saturn at an average distance of 19.906 Gm in 1048.541 days, at an inclination of 164° to the ecliptic (162° to Saturn's equator), in a retrograde direction and with an eccentricity of 0.396.

    This moon has not been seen since its discovery and is currently considered lost.[3][4][5]

    References

    1. Discovery Circumstances from JPL
    2. S.S. Sheppard (2019), Moons of Saturn, Carnegie Science, on line
    3. Beatty, Kelly (4 April 2012). "Outer-Planet Moons Found — and Lost". www.skyandtelescope.com. Sky & Telescope. Archived from the original on 2017-06-07. Retrieved 27 June 2017.
    4. Brozović, Marina; Jacobson, Robert A. (9 March 2017). "The Orbits of Jupiter's Irregular Satellites". The Astronomical Journal. 153 (4): 147. Bibcode:2017AJ....153..147B. doi:10.3847/1538-3881/aa5e4d.
    5. Jacobson, B.; Brozović, M.; Gladman, B.; Alexandersen, M.; Nicholson, P. D.; Veillet, C. (28 September 2012). "Irregular Satellites of the Outer Planets: Orbital Uncertainties and Astrometric Recoveries in 2009–2011". The Astronomical Journal. 144 (5): 132. Bibcode:2012AJ....144..132J. doi:10.1088/0004-6256/144/5/132.
    This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.