E. W. Elst || EOS || align=right | 5.5 km || |-id=363 bgcolor=#E9E9E9 | 18363 || || — || November 12, 1990 || La Silla || E. W. Elst || — || align=right | 7.3 km || |-id=364 bgcolor=#d6d6d6 | 18364 || || — || November 16, 1990 || La Silla || E. W. Elst || — || align=right | 14 km || |-id=365 bgcolor=#d6d6d6 | 18365 Shimomoto || || || November 17, 1990 || Geisei || T. Seki || EOS || align=right | 15 km || |-id=366 bgcolor=#d6d6d6 | 18366 || || — || February 18, 1991 || Palomar || E. F. Helin || HYG || align=right | 7.3 km || |-id=367 bgcolor=#fefefe | 18367 || || — || March 17, 1991 || La Silla || H. Debehogne || — || align=right | 3.6 km || |-id=368 bgcolor=#fefefe | 18368 Flandrau || || || April 15, 1991 || Palomar || C. S. Shoemaker, D. H. Levy || H || align=right | 1.9 km || |-id=369 bgcolor=#E9E9E9 | 18369 || 1991 LM || — || June 13, 1991 || Palomar || E. F. Helin || — || align=right | 7.0 km || |-id=370 bgcolor=#E9E9E9 | 18370 || || — || July 12, 1991 || Palomar || H. E. Holt || — || align=right | 4.8 km || |-id=371 bgcolor=#E9E9E9 | 18371 || || — || August 7, 1991 || Palomar || H. E. Holt || — || align=right | 6.7 km || |-id=372 bgcolor=#E9E9E9 | 18372 || || — || September 15, 1991 || Palomar || H. E. Holt || — || align=right | 4.5 km || |-id=373 bgcolor=#E9E9E9 | 18373 || || — || September 15, 1991 || Palomar || H. E. Holt || — || align=right | 3.1 km || |-id=374 bgcolor=#E9E9E9 | 18374 || || — || September 13, 1991 || Palomar || H. E. Holt || — || align=right | 7.8 km || |-id=375 bgcolor=#E9E9E9 | 18375 || || — || September 13, 1991 || Palomar || H. E. Holt || EUN || align=right | 6.0 km || |-id=376 bgcolor=#E9E9E9 | 18376 Quirk || 1991 SQ || || September 30, 1991 || Siding Spring || R. H. McNaught || — || align=right | 6.5 km || |-id=377 bgcolor=#E9E9E9 | 18377 Vetter || || || September 28, 1991 || Siding Spring || R. H. McNaught || — || align=right | 11 km || |-id=378 bgcolor=#E9E9E9 | 18378