Jupiter IX

Jupiter VIII and IX are tiny moons of Jupiter which circle their host planet at an average distance of about 15 million miles, greater than any other known satellite in the Solar System. It takes over two years to complete one orbit.
 Seth Barnes Nicholson United States 1914 Jupiter IX

Jupiter VIII and IX are tiny moons of Jupiter which circle their host planet at an average distance of about 15 million miles, greater than any other known satellite in the Solar System. It takes over two years to complete one orbit.