Named in honor of Friedrich Frevert {-2001}, an amateur astronomer from Wetzlar, well-known for his work on astrometric observations and on mathematical methods of reduction in photographic astrometry. For many years he was the chief of the Vereinigung der Sternfreunde in Germany. In 1965 he established the Astronomical Group in Wetzlar and later organized a very successful Minor Planet Working Group of amateur astronomers. (M 21610) _ _.