S/2004 S 21
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.

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.
Q2537
natural satellite
Concept
Q193
Saturn
CEL
Q310490
Scott S. Sheppard
PER
Q382992
David C. Jewitt
PER
Q354817
Jan Kleyna
PER
Q70072437
S/2004 S 21
CEL
Q70072437
S/2004 S 21
CEL
2019-10-07T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
October 7, 2019
DATE
2004-12-12T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
December 12, 2004
DATE
2007-01-17T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
January 17, 2007
DATE
1272-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1272
DATE
+2004^^http://www.w3.org/2001/XMLSchema#decimal
2004
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+2004^^http://www.w3.org/2001/XMLSchema#decimal
2004
NUMBER
+21^^http://www.w3.org/2001/XMLSchema#decimal
21
NUMBER
+3^^http://www.w3.org/2001/XMLSchema#decimal
3
NUMBER
+1272.61^^http://www.w3.org/2001/XMLSchema#decimal
1272.61
NUMBER
+0.318^^http://www.w3.org/2001/XMLSchema#decimal
0.318
NUMBER
parent astronomical body
discoverer or inventor
discoverer or inventor
discoverer or inventor