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Kore is a small moon that orbits Jupiter, one of many moons discovered around this giant planet. It matters primarily to astronomers studying Jupiter's moon system and the composition of objects in the outer solar system.
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Kore (/ˈkɔːriː/), also known as Jupiter XLIX and previously as S/2003 J 14, is a small natural satellite or moon of Jupiter. It is one of the most distant irregular moons of Jupiter, orbiting the planet at an average distance of 24.2 million km (15.0 million mi). It was discovered alongside over 20 other moons of Jupiter by Scott S. Sheppard, David C. Jewitt, and Jan T. Kleyna on 8 February 2003.
Kore is estimated to have a diameter of 2 km (1.2 mi). Like many other irregular moons of Jupiter, Kore follows a highly inclined and elliptical orbit that is retrograde or opposite to the direction of the planet's rotation. Due to Kore's immense distance from Jupiter, it is strongly perturbed by the gravitational influence of the Sun and other giant planets, which causes frequent changes in its orbit. Kore shares similar orbital properties as Jupiter's larger irregular moon Pasiphae, which makes it a member of the Pasiphae group. The moons of the Pasiphae group are believed to be fragments of an asteroid that was gravitationally captured by Jupiter and destroyed by a collision several billion years ago.