S/2004 S 28

S/2004 S 28
Discovery[1]
Discovered bySheppard et al.
Discovery date2019
Designations
S8386a[2]
Orbital characteristics[2]
21791300 km
Eccentricity0.133
−1197.2 days
Inclination171.0°
Satellite ofSaturn
GroupNorse group
Physical characteristics
4 km
24.9

S/2004 S 28 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 21, 2007.[3]

S/2004 S 28 is about 4 kilometres in diameter, and orbits Saturn at an average distance of 22.020 Gm in 1220.31 days, at an inclination of 170° to the ecliptic, in a retrograde direction and with an eccentricity of 0.143.[3]

  1. ^ Discovery Circumstances from JPL
  2. ^ a b S.S. Sheppard (2019). "Moons of Saturn, Carnegie Science, on line".
  3. ^ a b "MPEC 2019-T135 : S/2004 S 28". minorplanetcenter.net. Retrieved 7 October 2019.