S / 2004 S 12
| S / 2004 S 12 | |
|---|---|
| Central body | Saturn |
| Properties of the orbit | |
| Major semi-axis | 19,878,000 km |
| Periapsis | 13,398,000 km |
| Apoapsis | 26,358,000 km |
| eccentricity | 0.3260 |
| Orbit inclination | 165.282 ° |
| Orbital time | 1046.19 d |
| Mean orbital velocity | 1.34 km / s |
| Physical Properties | |
| Albedo | 0.04 |
| Apparent brightness | 24.8 mag |
| Medium diameter | ≈ 5 km |
| Dimensions | ≈ 1.5 × 10 14 kg |
| Medium density | 2.30 g / cm 3 |
| Acceleration of gravity on the surface | ≈ 0 m / s 2 |
| Escape speed | ≈ 0 m / s |
| discovery | |
| Explorer |
David C. Jewitt , Scott S. Sheppard , Jan Kleyna , Brian G. Marsden |
| Date of discovery | December 12, 2004 |
S / 2004 S 12 is one of the smaller outer moons of the planet Saturn .
discovery
The discovery of S / 2004 S 12 by David C. Jewitt , Scott S. Sheppard , Jan Kleyna and Brian G. Marsden on recordings from December 12, 2004 to March 9, 2005 was announced on May 3, 2005.
Orbit data
S / 2004 S 12 orbits Saturn on a retrograde eccentric orbit in around 1048 days and 13 hours. The eccentricity of the orbit is 0.396, with the orbit inclined at 164.04 ° to the ecliptic .
Structure and physical data
S / 2004 S 12 has a diameter of about 5 km.
Web links
- MPEC 2005-J13: Twelve New Satellites of Saturn May 3, 2005 (Discovery and Ephemeris)
- IAUC 8523: New Satellites of Saturn May 4, 2005 (discovery)
| further inside | Saturn moons | further outside |
| Erriapus |
Semi- major axis (km) S / 2004 S 12 17,402,800 |
Siarnaq |