|| || || March 23, 1990 || Palomar || E. F. Helin || EUN || align=right | 7.3 km || |-id=446 bgcolor=#FA8072 | 6446 Lomberg || 1990 QL || || August 18, 1990 || Palomar || E. F. Helin || PHO || align=right | 2.0 km || |-id=447 bgcolor=#fefefe | 6447 Terrycole || || || October 14, 1990 || Palomar || E. F. Helin || H || align=right | 2.7 km || |-id=448 bgcolor=#fefefe | 6448 || 1991 CW || — || February 8, 1991 || Toyota || K. Suzuki, T. Urata || — || align=right | 4.1 km || |-id=449 bgcolor=#fefefe | 6449 Kudara || || || February 7, 1991 || Geisei || T. Seki || — || align=right | 3.7 km || |-id=450 bgcolor=#E9E9E9 | 6450 Masahikohayashi || || || April 9, 1991 || Palomar || E. F. Helin || — || align=right | 6.0 km || |-id=451 bgcolor=#E9E9E9 | 6451 Kärnten || || || April 9, 1991 || Tautenburg Observatory || F. Börngen || — || align=right | 5.6 km || |-id=452 bgcolor=#fefefe | 6452 Johneuller || 1991 HA || || April 17, 1991 || Foggy Bottom || T. J. Balonek || — || align=right | 7.8 km || |-id=453 bgcolor=#E9E9E9 | 6453 || 1991 NY || — || July 13, 1991 || Palomar || H. E. Holt || — || align=right | 8.5 km || |-id=454 bgcolor=#E9E9E9 | 6454 || || — || October 29, 1991 || Siding Spring || R. H. McNaught || — || align=right | 9.5 km || |-id=455 bgcolor=#FFC2E0 | 6455 || 1992 HE || — || April 25, 1992 || Siding Spring || R. H. McNaught || APO +1km || align=right | 4.6 km || |-id=456 bgcolor=#FFC2E0 | 6456 Golombek || 1992 OM || || July 27, 1992 || Palomar || E. F. Helin, K. J. Lawrence || AMO +1km || align=right | 2.3 km || |-id=457 bgcolor=#d6d6d6 | 6457 Kremsmünster || 1992 RT || || September 2, 1992 || Tautenburg Observatory || L. D. Schmadel, F. Börngen || KOR || align=right | 7.0 km || |-id=458 bgcolor=#E9E9E9 | 6458 Nouda || || || October 2, 1992 || Geisei || T. Seki || MAR || align=right | 7.5 km || |-id=459 bgcolor=#d6d6d6 | 6459 Hidesan || || || October 28, 1992 || Kitami || K. Endate, K. Watanabe || EOS || align=right | 11 km || |-id=460 bgcolor=#fefefe | 6460 Bassano