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S/2003 J 12 is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard, et al. in 2003. It orbits Jupiter at a distance of about 19,002,480 km. S/2003 J 12 is about 1 kilometre in diameter.
It is the innermost of the outer irregular retrograde satellites of Jupiter, and does not seem to belong to any group other than its own.
| Jupiter |
|---|
| Amalthea group | Io | Europa | Ganymede | Callisto | Themisto | Himalia group | S/2003 J 20 |
| S/2003 J 12 | Ananke group | Carme group | Pasiphaë group | S/2003 J 2 |
| (see also: Jupiter's natural satellites) |