1973 QA. Discovered 1973 Aug. 27 by E. F. Helin at Palomar.
Named by the discoverer for Stephen E. Dwornik, a geologist, noted for his role in the exploration of the Moon and planets by unmanned spacecraft. As chief of the planetology programs of NASA, he was instrumental in the application of systematic geologic mapping to Mars and to Mercury. (M 4359)