November 28, 1999 || Oizumi || T. Kobayashi || — || align=right | 8.6 km || |-id=424 bgcolor=#fefefe | 28424 || 1999 XA || — || December 1, 1999 || Socorro || LINEAR || CHL || align=right | 6.5 km || |-id=425 bgcolor=#E9E9E9 | 28425 Sungkanit || || || December 6, 1999 || Socorro || LINEAR || — || align=right | 4.0 km || |-id=426 bgcolor=#E9E9E9 | 28426 Sangani || || || December 6, 1999 || Socorro || LINEAR || HEN || align=right | 3.0 km || |-id=427 bgcolor=#E9E9E9 | 28427 Gidwani || || || December 7, 1999 || Socorro || LINEAR || — || align=right | 2.5 km || |-id=428 bgcolor=#fefefe | 28428 Ankurvaishnav || || || December 7, 1999 || Socorro || LINEAR || — || align=right | 2.5 km || |-id=429 bgcolor=#fefefe | 28429 || || — || December 7, 1999 || Socorro || LINEAR || — || align=right | 2.3 km || |-id=430 bgcolor=#fefefe | 28430 || || — || December 7, 1999 || Catalina || CSS || V || align=right | 1.8 km || |-id=431 bgcolor=#fefefe | 28431 || || — || December 13, 1999 || Fountain Hills || C. W. Juels || — || align=right | 2.0 km || |-id=432 bgcolor=#E9E9E9 | 28432 || || — || December 10, 1999 || Socorro || LINEAR || EUN || align=right | 5.6 km || |-id=433 bgcolor=#E9E9E9 | 28433 Samarquez || || || December 10, 1999 || Socorro || LINEAR || — || align=right | 3.6 km || |-id=434 bgcolor=#fefefe | 28434 || || — || December 10, 1999 || Socorro || LINEAR || — || align=right | 8.2 km || |-id=435 bgcolor=#d6d6d6 | 28435 || || — || December 13, 1999 || Socorro || LINEAR || — || align=right | 5.4 km || |-id=436 bgcolor=#fefefe | 28436 Davesawyer || || || December 7, 1999 || Anderson Mesa || LONEOS || — || align=right | 2.2 km || |-id=437 bgcolor=#fefefe | 28437 || || — || December 31, 1999 || Kitt Peak || Spacewatch || — || align=right | 3.1 km || |-id=438 bgcolor=#fefefe | 28438 Venkateswaran || || || January 3, 2000 || Socorro || LINEAR || NYS || align=right | 1.8 km || |-id=439 bgcolor=#E9E9E9 | 28439 Miguelreyes || || || January 3, 2000 || Socorro || LINEAR || — || align=right | 3.9 km || |-id=440 bgcolor=#fefefe | 28440 || || — || January