1981 QA. Discovered 1981 Aug. 21 by L. Brožek at Kleť.
Krok was a mythical prince of the Slavonic tribes in ancient Bohemia. He had three daughters. The youngest of them was the sibyl Libuše, who married the young Přemysl; together they are considered the mythical founders of the Czech royal dynasty of the Přemyslids. (M 24410)