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 |