bgcolor=#fefefe | 25438 || || — || November 30, 1999 || Socorro || LINEAR || PHO || align=right | 3.9 km || |-id=439 bgcolor=#E9E9E9 | 25439 || || — || November 28, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 2.7 km || |-id=440 bgcolor=#fefefe | 25440 || || — || November 28, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 3.1 km || |-id=441 bgcolor=#fefefe | 25441 || || — || November 28, 1999 || Kvistaberg || UDAS || NYS || align=right | 2.7 km || |-id=442 bgcolor=#E9E9E9 | 25442 || || — || November 30, 1999 || Oizumi || T. Kobayashi || — || align=right | 9.0 km || |-id=443 bgcolor=#d6d6d6 | 25443 || || — || November 30, 1999 || Oizumi || T. Kobayashi || — || align=right | 8.4 km || |-id=444 bgcolor=#fefefe | 25444 || || — || November 29, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 2.5 km || |-id=445 bgcolor=#E9E9E9 | 25445 || || — || December 2, 1999 || Oizumi || T. Kobayashi || — || align=right | 3.9 km || |-id=446 bgcolor=#fefefe | 25446 || || — || December 4, 1999 || Gekko || T. Kagawa || — || align=right | 2.3 km || |-id=447 bgcolor=#fefefe | 25447 || || — || December 4, 1999 || Catalina || CSS || NYS || align=right | 1.7 km || |-id=448 bgcolor=#fefefe | 25448 || || — || December 4, 1999 || Catalina || CSS || NYS || align=right | 2.2 km || |-id=449 bgcolor=#E9E9E9 | 25449 || || — || December 4, 1999 || Catalina || CSS || — || align=right | 2.9 km || |-id=450 bgcolor=#fefefe | 25450 || || — || December 4, 1999 || Fountain Hills || C. W. Juels || — || align=right | 4.1 km || |-id=451 bgcolor=#fefefe | 25451 || || — || December 3, 1999 || Oizumi || T. Kobayashi || — || align=right | 4.8 km || |-id=452 bgcolor=#fefefe | 25452 || || — || December 5, 1999 || Catalina || CSS || V || align=right | 1.6 km || |-id=453 bgcolor=#d6d6d6 | 25453 || || — || December 6, 1999 || Catalina || CSS || — || align=right | 15 km || |-id=454 bgcolor=#fefefe | 25454 || || — || December 5, 1999 || Socorro || LINEAR || — || align=right