Named in honor of Antonin Mrkos {1918–1996}, Director of the Kleť Observatory in Czechoslovakia, well known for his contributions to cometary astronomy. {He was the founder and for many years head of Kleť Observatory who initiated the Kleť minor planet survey, the first one in Czechoslovakia.} (M 3825; N. S. Chernykh) _ _.
Discovered on 11-8-1969 in Nauchnyj by Chernykh, L. I.