|| — || August 23, 1981 || La Silla || H. Debehogne || — || align=right | 3.2 km || |-id=213 bgcolor=#d6d6d6 | 12213 || || — || August 26, 1981 || La Silla || H. Debehogne || — || align=right | 9.4 km || |-id=214 bgcolor=#d6d6d6 | 12214 Miroshnikov || || || September 7, 1981 || Nauchnij || L. G. Karachkina || — || align=right | 22 km || |-id=215 bgcolor=#fefefe | 12215 Jessicalounsbury || || || October 24, 1981 || Palomar || S. J. Bus || V || align=right | 3.1 km || |-id=216 bgcolor=#fefefe | 12216 || || — || November 16, 1981 || Bickley || Perth Obs. || V || align=right | 2.6 km || |-id=217 bgcolor=#fefefe | 12217 || || — || May 15, 1982 || Palomar || Palomar Obs. || FLO || align=right | 2.5 km || |-id=218 bgcolor=#fefefe | 12218 Fleischer || 1982 RK || || September 15, 1982 || Anderson Mesa || E. Bowell || FLOmoon || align=right | 5.0 km || |-id=219 bgcolor=#fefefe | 12219 Grigorʹev || || || September 19, 1982 || Nauchnij || L. I. Chernykh || — || align=right | 3.1 km || |-id=220 bgcolor=#fefefe | 12220 Semenchur || || || October 20, 1982 || Nauchnij || L. G. Karachkina || FLO || align=right | 3.0 km || |-id=221 bgcolor=#E9E9E9 | 12221 Ogatakoan || || || November 14, 1982 || Kiso || H. Kosai, K. Furukawa || — || align=right | 7.3 km || |-id=222 bgcolor=#E9E9E9 | 12222 Perotto || 1982 WA || || November 19, 1982 || Bologna || San Vittore Obs. || — || align=right | 8.7 km || |-id=223 bgcolor=#d6d6d6 | 12223 Hoskin || 1983 TX || || October 8, 1983 || Harvard Observatory || Oak Ridge Observatory || EOS || align=right | 7.6 km || |-id=224 bgcolor=#d6d6d6 | 12224 Jimcornell || || || October 19, 1984 || Harvard Observatory || Oak Ridge Observatory || KOR || align=right | 6.3 km || |-id=225 bgcolor=#fefefe | 12225 Yanfernández || 1985 PQ || || August 14, 1985 || Anderson Mesa || E. Bowell || — || align=right | 4.1 km || |-id=226 bgcolor=#fefefe | 12226 Caseylisse || 1985 TN || || October 15, 1985 || Anderson Mesa || E. Bowell || FLO || align=right | 2.7 km || |-id=227 bgcolor=#fefefe | 12227 Penney || || || October 11, 1985 || Palomar || C. S. Shoemaker, E. M.