S / 2004 S 17
S / 2004 S 17 | |
---|---|
Central body | Saturn |
Properties of the orbit | |
Major semi-axis | 19,447,000 km |
Periapsis | 15,960,000 km |
Apoapsis | 22,934,000 km |
eccentricity | 0.1793 |
Orbit inclination | 168.237 ° |
Orbital time | 1014.7 d |
Mean orbital velocity | 1.38 km / s |
Physical Properties | |
Albedo | 0.04 |
Apparent brightness | 25.2 mag |
Medium diameter | ≈ 4 km |
Dimensions | ≈ 7.7 × 10 13 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 13, 2004 |
S / 2004 S 17 is one of the smaller outer moons of the planet Saturn .
discovery
The discovery of S / 2004 S 17 by David C. Jewitt , Scott S. Sheppard , Jan Kleyna and Brian G. Marsden on recordings from December 13, 2004 to March 5, 2005 was announced on May 3, 2005.
Orbit data
S / 2004 S 17 orbits Saturn on a retrograde eccentric orbit in around 1014 days. The orbital eccentricity is 0.179, with the orbit inclined at 168.2 ° to the ecliptic .
Structure and physical data
S / 2004 S 17 has a diameter of about 4 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 |
Jarnsaxa |
Major semi-axis (km) S / 2004 S 17 |
Mundilfari |