S/2003 J 4

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S/2003 J 4 is a natural 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 4 is about 2 km in diameter, and orbits Jupiter at an average distance of 23,571 Mm in 739.294 days, at an inclination of 147° to the ecliptic (149° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.3003.

It belongs to the Pasiphae group, irregular retrograde moons orbiting Jupiter at distances ranging between 22.8 and 24.1 Gm, and with inclinations ranging between 144.5° and 158.3°.