Peak || Spacewatch || — || align=right | 3.2 km || |-id=448 bgcolor=#fefefe | 12448 Mr. Tompkins || || || December 12, 1996 || Kleť || M. Tichý, Z. Moravec || V || align=right | 3.4 km || |-id=449 bgcolor=#fefefe | 12449 || || — || December 14, 1996 || Ōizumi || T. Kobayashi || — || align=right | 4.4 km || |-id=450 bgcolor=#fefefe | 12450 || 1996 YD || — || December 20, 1996 || Ōizumi || T. Kobayashi || — || align=right | 4.2 km || |-id=451 bgcolor=#fefefe | 12451 || 1996 YF || — || December 20, 1996 || Ōizumi || T. Kobayashi || FLO || align=right | 3.2 km || |-id=452 bgcolor=#fefefe | 12452 || 1996 YO || — || December 20, 1996 || Ōizumi || T. Kobayashi || — || align=right | 2.1 km || |-id=453 bgcolor=#E9E9E9 | 12453 || 1996 YY || — || December 20, 1996 || Ōizumi || T. Kobayashi || — || align=right | 7.1 km || |-id=454 bgcolor=#fefefe | 12454 || || — || December 18, 1996 || Xinglong || SCAP || NYS || align=right | 6.4 km || |-id=455 bgcolor=#fefefe | 12455 || 1997 AR || — || January 2, 1997 || Ōizumi || T. Kobayashi || NYS || align=right | 5.7 km || |-id=456 bgcolor=#fefefe | 12456 Genichiaraki || || || January 2, 1997 || Chichibu || N. Satō || — || align=right | 3.3 km || |-id=457 bgcolor=#fefefe | 12457 || || — || January 2, 1997 || Ōizumi || T. Kobayashi || FLO || align=right | 3.7 km || |-id=458 bgcolor=#fefefe | 12458 || || — || January 2, 1997 || Ōizumi || T. Kobayashi || NYS || align=right | 2.8 km || |-id=459 bgcolor=#fefefe | 12459 || || — || January 6, 1997 || Ōizumi || T. Kobayashi || FLO || align=right | 2.4 km || |-id=460 bgcolor=#fefefe | 12460 Mando || || || January 3, 1997 || Chichibu || N. Satō || V || align=right | 2.2 km || |-id=461 bgcolor=#fefefe | 12461 || || — || January 7, 1997 || Ōizumi || T. Kobayashi || — || align=right | 3.6 km || |-id=462 bgcolor=#E9E9E9 | 12462 || || — || January 7, 1997 || Ōizumi || T. Kobayashi || — || align=right | 5.3 km || |-id=463 bgcolor=#fefefe | 12463 || || — || January 9, 1997 || Ōizumi || T. Kobayashi ||