38445 || || — || September 30, 1999 || Catalina || CSS || KOR || align=right | 3.4 km || |-id=446 bgcolor=#E9E9E9 | 38446 || || — || September 30, 1999 || Socorro || LINEAR || — || align=right | 4.0 km || |-id=447 bgcolor=#d6d6d6 | 38447 || || — || September 30, 1999 || Socorro || LINEAR || VER || align=right | 8.4 km || |-id=448 bgcolor=#E9E9E9 | 38448 || || — || September 30, 1999 || Socorro || LINEAR || — || align=right | 4.0 km || |-id=449 bgcolor=#E9E9E9 | 38449 || || — || September 30, 1999 || Kitt Peak || Spacewatch || — || align=right | 2.2 km || |-id=450 bgcolor=#d6d6d6 | 38450 || 1999 TH || — || October 2, 1999 || Prescott || P. G. Comba || — || align=right | 9.2 km || |-id=451 bgcolor=#E9E9E9 | 38451 || 1999 TU || — || October 1, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 2.6 km || |-id=452 bgcolor=#d6d6d6 | 38452 || || — || October 1, 1999 || Višnjan Observatory || K. Korlević || THM || align=right | 8.4 km || |-id=453 bgcolor=#d6d6d6 | 38453 || || — || October 1, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 19 km || |-id=454 bgcolor=#E9E9E9 | 38454 Boroson || || || October 2, 1999 || Fountain Hills || C. W. Juels || EUNslow || align=right | 6.3 km || |-id=455 bgcolor=#d6d6d6 | 38455 || || — || October 4, 1999 || Prescott || P. G. Comba || — || align=right | 6.8 km || |-id=456 bgcolor=#d6d6d6 | 38456 || || — || October 6, 1999 || Višnjan Observatory || K. Korlević, M. Jurić || THM || align=right | 9.2 km || |-id=457 bgcolor=#d6d6d6 | 38457 || || — || October 7, 1999 || Višnjan Observatory || K. Korlević, M. Jurić || — || align=right | 14 km || |-id=458 bgcolor=#E9E9E9 | 38458 || || — || October 12, 1999 || Prescott || P. G. Comba || EUN || align=right | 5.2 km || |-id=459 bgcolor=#d6d6d6 | 38459 || || — || October 10, 1999 || Fountain Hills || C. W. Juels || — || align=right | 12 km || |-id=460 bgcolor=#E9E9E9 | 38460 || || — || October 7, 1999 || Višnjan Observatory || K. Korlević, M. Jurić || — || align=right | 6.8 km ||