S/2003 J 9

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S/2003 J 9 is a retrograde irregular satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2003.[1][2]

S/2003 J 9 is about 1 kilometre in diameter, and orbits Jupiter at an average distance of 23,858 Mm in 752.839 days, at an inclination of 165° to the ecliptic (165° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.276.

It belongs to 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°.