bgcolor=#E9E9E9 | 40442 || || — || September 11, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 5.9 km || |-id=443 bgcolor=#E9E9E9 | 40443 || || — || September 7, 1999 || Uccle || E. W. Elst || — || align=right | 2.3 km || |-id=444 bgcolor=#d6d6d6 | 40444 Palacký || || || September 12, 1999 || Ondřejov || P. Pravec, M. Wolf || KOR || align=right | 2.9 km || |-id=445 bgcolor=#fefefe | 40445 || || — || September 12, 1999 || Prescott || P. G. Comba || V || align=right | 1.5 km || |-id=446 bgcolor=#E9E9E9 | 40446 || || — || September 12, 1999 || Črni Vrh || Črni Vrh || EUN || align=right | 5.8 km || |-id=447 bgcolor=#E9E9E9 | 40447 Lorenzoni || || || September 11, 1999 || Bologna || San Vittore Obs. || — || align=right | 2.4 km || |-id=448 bgcolor=#fefefe | 40448 || || — || September 12, 1999 || Višnjan Observatory || K. Korlević || V || align=right | 2.3 km || |-id=449 bgcolor=#fefefe | 40449 || || — || September 12, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 2.2 km || |-id=450 bgcolor=#d6d6d6 | 40450 || || — || September 12, 1999 || Višnjan Observatory || K. Korlević || EOS || align=right | 5.2 km || |-id=451 bgcolor=#E9E9E9 | 40451 || || — || September 13, 1999 || Višnjan Observatory || K. Korlević || MAR || align=right | 3.2 km || |-id=452 bgcolor=#fefefe | 40452 || || — || September 12, 1999 || Reedy Creek || J. Broughton || V || align=right | 1.6 km || |-id=453 bgcolor=#fefefe | 40453 || || — || September 13, 1999 || Reedy Creek || J. Broughton || V || align=right | 2.5 km || |-id=454 bgcolor=#E9E9E9 | 40454 || || — || September 12, 1999 || Catalina || CSS || GEF || align=right | 3.2 km || |-id=455 bgcolor=#d6d6d6 | 40455 || || — || September 12, 1999 || Catalina || CSS || URS || align=right | 6.6 km || |-id=456 bgcolor=#d6d6d6 | 40456 || || — || September 13, 1999 || Višnjan Observatory || K. Korlević || THM || align=right | 7.4 km || |-id=457 bgcolor=#fefefe | 40457 Williamkuhn || || || September 4, 1999 || OCA-Anza || M. Collins, M. White || — || align=right | 2.1 km || |-id=458 bgcolor=#fefefe |