S/1999 J 1 is a new moon of Jupiter discovered in 1999 by Spacewatch program at the University of Arizona and the Minor Planet Center at the Smithsonian Astrophysical Observatory in Massachusetts. Observations in July 2000, further confirmed the discovery and the orbit of the moon.

As of now, it is the outermost moon of Jupiter, at a distance of 24,200,000 km. Estimated diameter is 10-15 km. Mass is unknown.

This discovery opens up some questions. Are there any other such moons of Jupiter? Does such a small celestial body constitute a moon?

A moon of Jupiter can also be refered to as a Jovian satellite

Various websites were used to gather information for this nodeshell rescue.

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