| Discovery | |
|---|---|
| Discovered by | Scott S. Sheppard, David C. Jewitt, Jan Kleyna, Brett J. Gladman, Edward Ashton |
| Discovery date | 2006 |
| Orbital characteristics | |
| Semi-major axis | 22,760,700 km (14,142,800 mi) |
| Eccentricity | 0.089 |
| Orbital period (sidereal) | -3.555 yrs (1,298.40 d) |
| Inclination | 169.5° (to the ecliptic) |
| Satellite of | Saturn |
| Group | Norse group |
| Physical characteristics | |
| Mean diameter | 4 km |
| Absolute magnitude (H) | 16.1 |
S/2006 S 18 is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, Edward Ashton, Brett J. Gladman, Jean-Marc Petit and Mike Alexandersen on May 15, 2023 from observations taken between December 14, 2004 and July 9, 2021.
S/2006 S 18 is about 4 kilometers in diameter, and orbits Saturn at a distance of 23.256 Gm in 1,324.09 days, at an inclination of 171.6, orbits in retrograde direction and eccentricity of 0.089. S/2006 S 18 belongs to the Norse group and its orbit is quite circular due to of its low eccentricity unlike the other irregular moons.
References
- ^ "Planetary Satellite Mean Elements". Jet Propulsion Laboratory. California Institute of Technology. Retrieved 15 May 2023.
- ^ "MPEC 2023-J170 : S/2006 S 18". Minor Planet Electronic Circular. Minor Planet Center. Retrieved 15 May 2023.
- ^ "S/2006 S 18". Tilmann's Web Site. Tilmann Denk. Retrieved 25 December 2023.
| Moons of Saturn | |||||||
|---|---|---|---|---|---|---|---|
| Listed in approximate increasing distance from Saturn | |||||||
| Ring moonlets | |||||||
| Ring shepherds | |||||||
| Other inner moons | |||||||
| Alkyonides | |||||||
| Large moons (with trojans) | |||||||
| Inuit group (13) |
| ||||||
| Gallic group (7) | |||||||
| Norse group (100) |
| ||||||
| Outlier prograde irregular moons |
| ||||||