| 28406 || || — || October 2, 1999 || Socorro || LINEAR || FIR || align=right | 11 km || |-id=407 bgcolor=#E9E9E9 | 28407 Meghanarao || || || October 6, 1999 || Socorro || LINEAR || — || align=right | 6.8 km || |-id=408 bgcolor=#E9E9E9 | 28408 van Baalen || || || October 2, 1999 || Anderson Mesa || LONEOS || — || align=right | 5.3 km || |-id=409 bgcolor=#E9E9E9 | 28409 || || — || October 3, 1999 || Kitt Peak || Spacewatch || — || align=right | 5.3 km || |-id=410 bgcolor=#d6d6d6 | 28410 || || — || October 8, 1999 || Catalina || CSS || — || align=right | 9.1 km || |-id=411 bgcolor=#fefefe | 28411 Xiuqicao || || || October 9, 1999 || Socorro || LINEAR || V || align=right | 1.4 km || |-id=412 bgcolor=#fefefe | 28412 || || — || October 29, 1999 || Catalina || CSS || — || align=right | 3.7 km || |-id=413 bgcolor=#E9E9E9 | 28413 || || — || October 30, 1999 || Catalina || CSS || — || align=right | 3.0 km || |-id=414 bgcolor=#E9E9E9 | 28414 || || — || October 31, 1999 || Catalina || CSS || — || align=right | 3.3 km || |-id=415 bgcolor=#E9E9E9 | 28415 Yingxiong || || || November 3, 1999 || Socorro || LINEAR || — || align=right | 3.7 km || |-id=416 bgcolor=#fefefe | 28416 Ngqin || || || November 3, 1999 || Socorro || LINEAR || — || align=right | 1.8 km || |-id=417 bgcolor=#fefefe | 28417 Leewei || || || November 3, 1999 || Socorro || LINEAR || — || align=right | 6.6 km || |-id=418 bgcolor=#fefefe | 28418 Pornwasu || || || November 4, 1999 || Socorro || LINEAR || — || align=right | 1.6 km || |-id=419 bgcolor=#fefefe | 28419 Tanpitcha || || || November 4, 1999 || Socorro || LINEAR || FLO || align=right | 2.0 km || |-id=420 bgcolor=#d6d6d6 | 28420 || || — || November 4, 1999 || Socorro || LINEAR || — || align=right | 4.3 km || |-id=421 bgcolor=#fefefe | 28421 || || — || November 6, 1999 || Catalina || CSS || H || align=right | 2.0 km || |-id=422 bgcolor=#E9E9E9 | 28422 || || — || November 13, 1999 || Catalina || CSS || GEF || align=right | 3.9 km || |-id=423 bgcolor=#d6d6d6 | 28423 || || — ||