EntityQ18211· pop 40· linked from 121 articles

S/2004 S 12

moon of Saturn

Key facts

Discovered by: Scott S. Sheppard et al.
Discovery site: Mauna Kea Obs.
Discovery date: 12 December 2004
Observation arc: 15.61 yr (5,703 days)
Semi major axis: 0.1327201 AU (19,855,000 km)
Orbital period sidereal: –2.86 yr (–1044.50 d)
Mean anomaly: 326.59167 °
Mean motion: 0° 20 40.789 / day
Inclination: 163.85743° (to ecliptic )
Longitude of ascending node: 330.73760°
Argument of perihelion: 111.13920°
Satellite of: Saturn
Group: Norse group
Mean diameter: ≈ 5 km
Albedo: 0.04 (assumed)

via Wikipedia infobox

Article

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 4 May 2005 from observations taken between 12 December 2004 and 9 March 2005.

S/2004 S 12 is about 5 kilometres in diameter, and orbits Saturn at an average distance of 19,855,000 kilometres in about 1,044 days, at an inclination of 163.9° to the ecliptic, in a retrograde direction and with an eccentricity of 0.371.