Shoemaker || FLO || align=right | 2.1 km || |-id=228 bgcolor=#fefefe | 12228 || || — || October 11, 1985 || Palomar || S. L. Gaiser, J. P. Leech || FLO || align=right | 4.3 km || |-id=229 bgcolor=#fefefe | 12229 Paulsson || || || October 17, 1985 || Kvistaberg || C.-I. Lagerkvist || FLO || align=right | 4.2 km || |-id=230 bgcolor=#E9E9E9 | 12230 || 1986 QN || — || August 25, 1986 || La Silla || H. Debehogne || — || align=right | 5.2 km || |-id=231 bgcolor=#E9E9E9 | 12231 || || — || August 27, 1986 || La Silla || H. Debehogne || — || align=right | 7.9 km || |-id=232 bgcolor=#E9E9E9 | 12232 || || — || August 28, 1986 || La Silla || H. Debehogne || — || align=right | 5.9 km || |-id=233 bgcolor=#E9E9E9 | 12233 || || — || August 29, 1986 || La Silla || H. Debehogne || — || align=right | 3.1 km || |-id=234 bgcolor=#E9E9E9 | 12234 Shkuratov || || || September 6, 1986 || Anderson Mesa || E. Bowell || ADE || align=right | 11 km || |-id=235 bgcolor=#d6d6d6 | 12235 Imranakperov || || || September 9, 1986 || Nauchnij || L. G. Karachkina || URS || align=right | 25 km || |-id=236 bgcolor=#fefefe | 12236 || || — || February 22, 1987 || La Silla || H. Debehogne || FLO || align=right | 2.7 km || |-id=237 bgcolor=#fefefe | 12237 Coughlin || 1987 HE || || April 23, 1987 || Palomar || C. S. Shoemaker, E. M. Shoemaker || PHO || align=right | 4.8 km || |-id=238 bgcolor=#C2FFFF | 12238 Actor || || || December 17, 1987 || La Silla || E. W. Elst, G. Pizarro || L4 || align=right | 30 km || |-id=239 bgcolor=#E9E9E9 | 12239 Carolinakou || || || February 13, 1988 || La Silla || E. W. Elst || — || align=right | 4.1 km || |-id=240 bgcolor=#fefefe | 12240 Droste-Hülshoff || || || August 13, 1988 || Tautenburg Observatory || F. Börngen || NYS || align=right | 2.1 km || |-id=241 bgcolor=#fefefe | 12241 Lefort || || || August 13, 1988 || Tautenburg Observatory || F. Börngen || EUT || align=right | 2.0 km || |-id=242 bgcolor=#C2FFFF | 12242 Koon || 1988 QY || || August 18, 1988 || Palomar || C. S. Shoemaker, E. M. Shoemaker || L5 || align=right | 38