Surtur (moon)
| Surtur | |
|---|---|
| Provisional or systematic name | S / 2006 S 7 |
| Central body | Saturn |
| Properties of the orbit | |
| Major semi-axis | 22,707,000 km |
| Periapsis | 12,466,000 km |
| Apoapsis | 32,948,000 km |
| eccentricity | 0.451 |
| Orbit inclination | 177.5 ° |
| Orbital time | 1297.7 d |
| Mean orbital velocity | 1.21 km / s |
| Physical Properties | |
| Apparent brightness | 24.8 mag |
| Medium diameter | ≈ 6 km |
| Dimensions | ≈ kg |
| Acceleration of gravity on the surface | ≈ 0 m / s 2 |
| Escape speed | ≈ 0 m / s |
| discovery | |
| Explorer |
Scott S. Sheppard , David C. Jewitt , |
| Date of discovery | January 5, 2006 |
Surtur (also Saturn XLVIII ) is one of the smaller outer moons of the planet Saturn .
discovery
The discovery of Surtur by Scott S. Sheppard , David C. Jewitt , Jan Kleyna and Brian G. Marsden on recordings from January 5 to April 29, 2006 was announced on June 26, 2006. Surtur was initially given the provisional designation S / 2006 S 7. In April 2007, the moon was named after the leader of the fire giants, Surtur , from Nordic mythology .
Orbit data
Surtur orbits Saturn on a retrograde eccentric orbit in around 1242 days and 9 hours. The orbital eccentricity is 0.451, the orbit is inclined at 177.5 ° against the ecliptic , which represents the Laplace plane at this distance from Saturn .
Structure and physical data
Surtur has a diameter of about 6 km.
Web links
- T. Denk's Surtur website (in English)
- IAUC 8727: Satellites of Saturn June 30, 2006 (Discovery)
- MPEC 2006-M45: Eight New Satellites of Saturn June 26, 2006 (Discovery and Ephemeris)
- MPEC 2006-N06: S / 2006 S 7 July 6, 2006 (additional observations from 2004 and 2005)
- IAUC 8826: Satellites of Jupiter and Saturn April 5, 2007 (numbering and naming)
| further inside | Saturn moons | further outside |
| Fenrir |
Semi- major axis (km) Surtur 22,707,000 |
S / 2004 S 39 |