S/2003 J 9
Satellite
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. Wikipedia
Orbital period: 768 days
Mean diameter: ≈1 km
Discoverers: Scott S. Sheppard, David C. Jewitt, Jan Kleyna, and more
Discovered: February 6, 2003
Discovery site: Mauna Kea