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.[2]
| Discovery | |
|---|---|
| Discovered by | Scott S. Sheppard, David C. Jewitt, Jan Kleyna, Brett J. Gladman, Edward Ashton |
| Discovery date | 2006 |
| Orbital characteristics | |
| 22,760,700 km (14,142,800 mi)[1] | |
| Eccentricity | 0.089 |
| -3.555 yrs (1,298.40 d)[1] | |
| Inclination | 169.5° (to the ecliptic) |
| Satellite of | Saturn |
| Group | Norse group |
| Physical characteristics | |
| 4 km | |
| 16.1 | |
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.[2] 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.[3]
References
edit- ^ a b c "Planetary Satellite Mean Elements". Jet Propulsion Laboratory. California Institute of Technology. Retrieved 15 May 2023.
- ^ a b c "MPEC 2023-J170 : S/2006 S 18". Minor Planet Electronic Circular. Minor Planet Center. Retrieved 15 May 2023.
- ^ a b "S/2006 S 18". Tilmann's Web Site. Tilmann Denk. Retrieved 25 December 2023.