S/2016 J 4

S/2016 J 4 is a designation for one of the natural satellites, or moons, of Jupiter. It was discovered in 2016 and is part of a group of irregular moons around the planet. Specifically, S/2016 J 4 is classified as a small moon and is likely part of a larger cluster of moons that orbit in a retrograde motion, meaning they travel in the opposite direction of Jupiter's rotation.