Saturn LIV

Summary

Saturn LIV, provisionally known as S/2004 S 20, is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, and Jan Kleyna on October 7, 2019 from observations taken between December 12, 2004 and March 22, 2007.[3] It was given its permanent designation in June 2021.[4]

Saturn LIV
Discovery[1]
Discovered bySheppard et al.
Discovery date2019
Designations
S/2004 S 20
S2423b[2]
Orbital characteristics[2]
19211000 km
Eccentricity0.204
−990.23 days
Inclination163.1°
Satellite ofSaturn
GroupNorse group
Physical characteristics
Mean diameter
4+50%
−30%
 km
25.0

Saturn LIV is about 4 kilometres in diameter, and orbits Saturn at an average distance of 19.418 Gm in 1010.55 days, at an inclination of 163° to the ecliptic, in a retrograde direction and with an eccentricity of 0.197.[3]

ReferencesEdit

  1. ^ Discovery Circumstances from JPL
  2. ^ a b S.S. Sheppard (2019), Moons of Saturn, Carnegie Science, on line
  3. ^ a b "MPEC 2019-T126 : S/2004 S 20". minorplanetcenter.net. Retrieved 7 October 2019.
  4. ^ "M.P.C. 132212" (PDF). Minor Planet Center. International Astronomical Union. 1 June 2021. Retrieved 16 June 2021.