S/2004 S 21 is about 3 kilometres in diameter, and orbits Saturn at an average distance of 22.645 Gm in 1272.61 days, at an inclination of 160° to the ecliptic, in a retrograde direction and with an eccentricity of 0.318.[3]
^ abS.S. Sheppard (2019), Moons of Saturn, Carnegie Science, on line
^ ab"MPEC 2019-T127 : S/2004 S 21". minorplanetcenter.net. Retrieved 7 October 2019.
December 28, 2022
2004, natural, satellite, saturn, discovery, announced, scott, sheppard, david, jewitt, kleyna, october, 2019, from, observations, taken, between, december, 2004, january, 2007, discovery, discovered, bysheppard, discovery, date2019designationsalternative, nam. S 2004 S 21 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 January 17 2007 3 S 2004 S 21Discovery 1 Discovered bySheppard et al Discovery date2019DesignationsAlternative namesS5602a 2 Orbital characteristics 2 Semi major axis23810 400 kmEccentricity0 312Orbital period sidereal 1365 1 daysInclination154 6 Satellite ofSaturnGroupNorse groupPhysical characteristicsMean diameter3 50 30 kmApparent magnitude25 4S 2004 S 21 is about 3 kilometres in diameter and orbits Saturn at an average distance of 22 645 Gm in 1272 61 days at an inclination of 160 to the ecliptic in a retrograde direction and with an eccentricity of 0 318 3 References Edit Discovery Circumstances from JPL a b S S Sheppard 2019 Moons of Saturn Carnegie Science on line a b MPEC 2019 T127 S 2004 S 21 minorplanetcenter net Retrieved 7 October 2019 Retrieved from https en wikipedia org w index php title S 2004 S 21 amp oldid 1126025169, wikipedia, wiki, book, books, library,
