S/2003 J 4

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S/2003 J 4 is a 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 4 is about 2 km in diameter, and orbits Jupiter at an average distance of 23,571,000 km in 739.294 days, at an inclination of 147° to the ecliptic (149° to Jupiter's equator), with an orbital eccentricity of 0.3003.

It belongs to the Pasiphaë group, non-spherical retrograde moons orbiting Jupiter at distances ranging between 22,800,000 and 24,100,000 km, and with inclinations ranging between 144.5° and 158.3°.

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