S / 2007 S 2
| S / 2007 S 2 | |
|---|---|
| Central body | Saturn |
| Properties of the orbit | |
| Major semi-axis | 16,560,000 km |
| Periapsis | 12,950,000 km |
| Apoapsis | 20,170,000 km |
| eccentricity | 0.218 |
| Orbit inclination | 176.7 ° |
| Orbital time | 793 d |
| Mean orbital velocity | 1.5 km / s |
| Physical Properties | |
| Apparent brightness | 24.4 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 18, 2007 |
S / 2007 S 2 is one of the smaller outer moons of the planet Saturn .
Orbit data
S / 2007 S 2 orbits Saturn on a retrograde eccentric orbit at an average distance of 16,560,000 km in around 793 days.
The eccentricity of the orbit is 0.218, with the orbit being inclined at 177 ° to the ecliptic .
discovery
The discovery of S / 2007 S 2 by Scott S. Sheppard , David C. Jewitt , Jan Kleyna and Brian G. Marsden on recordings from January 18 to April 19, 2007 was announced on May 1, 2007.
Structure and physical data
S / 2007 S 2 has a diameter of about 6 km.
Web links
- MPEC 2007-J09: S / 2007 S 2, S / 2007 S 3 May 1, 2007 (Discovery and Ephemeris)
- IAUC 8836: S / 2007 S 1, S / 2007 S 2, and S / 2007 S 3 May 11, 2007 (discovery)
| further inside | Saturn moons | further outside |
| Albiorix |
Semi- major axis (km) S / 2007 S 2 16,560,000 |
S / 2004 S 29 |