site_of_astronomical_discovery 3917 franz schubert
3917 Franz Schubert is a main - belt asteroid discovered by Freimut Börngen in Tautenburg on February 15 , 1961 . It is named after the composer Franz Schubert The Minor Planet Center ( MPC ) is the official worldwide organization in charge of collecting observational data for minor planets ( such as asteroids ) and comets , calculating their orbits and publishing this information via the " Minor Planet Circulars ". Under the auspices of the International Astronomical Union , it operates at the Smithsonian Astrophysical Observatory , which is part of the Center for Astrophysics along with the ___MASK80___ . The ___MASK47___ is a German astronomical observatory in Tautenburg near Jena , Thuringia . Freimut Börngen ( born October 17 , 1930 ) is a German astronomer and a prolific discoverer of minor planets . A few sources give his first name wrongly as " Freimuth ". The Minor Planet Center credits him as F . Borngen . Tautenburg is a municipality in the district Saale - Holzland , in Thuringia , Germany . It is home to the ___MASK47___ .