S/2006 S 18

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S/2006 S 18
Discovery 
Discovered by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, Brett J. Gladman, Edward Ashton
Discovery date2006
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 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]

    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 a retrograde direction and has an eccentricity of 0.089. [2] S/2006 S 18 belongs to the Norse group and its orbit is quite circular due to its low eccentricity unlike the other irregular moons. [3]

    References

    1. 1 2 "Planetary Satellite Mean Elements". Jet Propulsion Laboratory. California Institute of Technology. Retrieved 15 May 2023.
    2. 1 2 "MPEC 2023-J170 : S/2006 S 18". Minor Planet Electronic Circular. Minor Planet Center. Retrieved 15 May 2023.
    3. ↑ "S/2006 S 18". Tilmann's Web Site. Tilmann Denk. Retrieved 25 December 2023.
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