S/2003 J 9

S/2003 J 9 is a non-spherical moon of Jupiter. It was found 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 23,858,000 km in 752.839 days, at an inclination of 165° to the ecliptic (165° to Jupiter's equator), with an orbital eccentricity of 0.276.

It belongs to the Carme group, made up of non-spherical retrograde moons orbiting Jupiter at a distance ranging between 23,000,000 and 24,000,000 km and at an inclination of about 165°.

References

1. IAUC 8089: Satellites of Jupiter 2003 March 7 (discovery)
2. MPEC 2003-E29: S/2003 J 9, 2003 J 10, 2003 J 11, 2003 J 12; S/2003 J 1, 2003 J 6 2003 April 3 (discovery and ephemeris)