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
Wikidata facts
- Instance of
- moon of Saturn
- Parent body
- Saturn
- Diameter
- 5
- Orbital period
- -1048
Show 7 more facts
- time of discovery or invention
- 2004-12-12
- provisional designation
- S/2004 S 12
- semi-major axis of an orbit
- 19905867
- orbital eccentricity
- 0.401
- orbital inclination
- 164
- apparent magnitude
- 24.8
- discoverer or inventor
- Brian G. Marsden
Sources (1)
via Wikidata · CC0
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Encyclopedic overview
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.
Excerpted from Wikipedia’s “S/2004 S 12” article, available under the CC BY-SA 4.0 licence.