S/2003 J 9

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°.

References

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

Moons of Jupiter

Listed in approximately increasing distance from Jupiter. Temporary names in italics.

Inner moons

Galilean moons

Io
Europa
Ganymede
Callisto

Themisto group

Themisto

Himalia group

Carpo group

Carpo

S/2003 J 12

S/2011 J 1

Ananke group

Core	Ananke Praxidike Harpalyke Iocaste Euanthe Thyone

Peripheral	Euporie S/2003 J 3 S/2003 J 18 Jupiter LII Thelxinoe Helike Orthosie S/2003 J 16 Hermippe Mneme S/2003 J 15

Carme group

Pasiphae group

S/2003 J 2

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