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Herse (moon)
Herse ( ; Greek: ''Ἕρση''), or Jupiter L, previously known by its provisional designation of , is a natural satellite of Jupiter. It was discovered on 8 February 2003 by the astronomers Brett J. Gladman, John J. Kavelaars, Jean-Marc Petit, and Lynne Allen.〔Daniel W. E. Green, (IAUC 8116: ''Satellites of Jupiter and Saturn'' ) 2003 April 11 (discovery)〕〔Brian G. Marsden, (MPEC 2003-G19: ''S/2003 J 17'' ) 2003 April 3 (discovery and ephemeris)〕 It was named after Herse 'dew', a daughter of Zeus and Selene the moon in Greek mythology, on 11 November 2009.〔Jennifer S. Blue, (L Named Herse ), 2009 November 9〕〔Jennifer S. Blue, (IAUC 9094: ''Satellite of Jupiter'' ) ((subscription required )) 2009 November 11 (naming)〕
Herse is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 22.134 gigametre (Gm) in 672.752 days, at a mean inclination of 165° to the ecliptic, in a retrograde direction and with a mean eccentricity of 0.2493.〔(Planetary Satellite Mean Orbital Parameters ), JPL〕
It is the innermost member of the Carme group, made up of irregular retrograde moons orbiting Jupiter at a distance ranging between 23 and 24 Gm and at an inclination of about 165°.
== References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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