S/2003 J 2 is a natural satellite, or moon, of the planet Jupiter. It was discovered in 2003 and is part of a group of small moons that orbit the planet at considerable distances. S/2003 J 2 is relatively small and not well-studied compared to the larger, more prominent moons of Jupiter, such as the Galilean moons (Io, Europa, Ganymede, and Callisto).
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