2094 Magnitka 12 October 1971 list 2163 Korczak 16 September 1971 list 2170 Byelorussia 16 September 1971 list 2406 Orelskaya 20 August 1966 list 2698 Azerbajdzhan 11 October 1971 list 2949 Kaverznev 9 August 1970 list 4004 List'ev 16 September 1971 list