S/2004 S 28 Explained

S/2004 S 28
Alt Names:S8386a
Discovery Ref:[1]
Discoverer:Sheppard et al.
Discovered:2019
Orbit Ref:[2]
Inclination:171.0°
Eccentricity:0.133
Period:−1197.2 days
Satellite Of:Saturn
Group:Norse group
Magnitude:24.9
Mean Diameter:4 km

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]

Notes and References

  1. Discovery Circumstances from JPL
  2. Web site: Moons of Saturn, Carnegie Science, on line. S.S. Sheppard. 2019.
  3. Web site: MPEC 2019-T135 : S/2004 S 28 . minorplanetcenter.net . 7 October 2019.