Tags: Planet.
21561 Masterman (1998 QR93) is a main-belt asteroid discovered on August 28 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.It was named for Mary Masterman a 2006 finalist of the Intel International Science and Engineering Fair. She also won the $100000 first prize at the 2007 Intel Science Talent Search. In 2005 she attended the Summer Science Program which teaches astronomy calculus and physics through observations of an asteroid and calculation of its orbit.