78431 Kemble

78431 Kemble (provisional designation 2002 QJ50) is a background asteroid from the inner regions of the asteroid belt, approximately 1.4 kilometers (0.9 miles) in diameter. It was named after Father Lucian Kemble. The asteroid was discovered on 16 August 2002, by astronomer Andrew Lowe on images taken at the Palomar Observatory, California, United States.