Universe & space

Discovery of S/2003 J 16

6 February 2003

S/2003 J 16 is a provisional designation for a small natural satellite of Jupiter, announced in 2003 after a ground-based survey for faint moons around the planet. Like most of Jupiter's recently found moons, it is probably an irregular satellite: a small, distant body on a tilted, elongated orbit that was most likely captured from the population of asteroids and comets. Many such moons are thought to be fragments of larger bodies shattered in collisions. Little more is known than its orbit, measured with telescopes from Earth.

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