S / 2004 S 13
S / 2004 S 13 | |
---|---|
Central body | Saturn |
Properties of the orbit | |
Major semi-axis | 18,404,000 km |
Periapsis | 13,645,000 km |
Apoapsis | 23,163,000 km |
eccentricity | 0.2586 |
Orbit inclination | 168.789 ° |
Orbital time | 933.48 d |
Mean orbital velocity | 1.41 km / s |
Physical Properties | |
Albedo | 0.04 |
Apparent brightness | 24.5 mag |
Medium diameter | ≈ 6 km |
Dimensions | ≈ 2.6 × 10 14 kg |
Medium density | 2.3 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 13 is one of the smaller outer moons of the planet Saturn .
discovery
The discovery of S / 2004 S 13 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 13 orbits Saturn on a retrograde eccentric orbit in around 905 days and 20 hours. The eccentricity of the orbit is 0.261, with the orbit inclined at 167.38 ° to the ecliptic .
Structure and physical data
S / 2004 S 13 has a diameter of about 6 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 |
Hyrrokkin |
Semi- major axis (km) S / 2004 S 13 18,450,000 |
Jarnsaxa |