Tags: Planet.
194 Prokne is a main-belt asteroid that was discovered by German-American astronomer C. H. F. Peters on March 21 1879 in Clinton New York and named after Procne the sister of Philomela in Greek mythology. Stellar occultations by Prokne have been observed twice in 1984 from Italy and again in 1999 from Iowa (United States).Observations from the W. M. Keck Observatory show the asteroid to be around 151 km across with a size ratio of 1.13±0.06 between the major and minor axes.