|| LINEAR || — || align=right | 2.9 km || |-id=224 bgcolor=#d6d6d6 | 45224 || || — || December 13, 1999 || Socorro || LINEAR || — || align=right | 4.8 km || |-id=225 bgcolor=#fefefe | 45225 || || — || December 14, 1999 || Socorro || LINEAR || V || align=right | 1.6 km || |-id=226 bgcolor=#fefefe | 45226 || || — || December 14, 1999 || Socorro || LINEAR || V || align=right | 1.7 km || |-id=227 bgcolor=#fefefe | 45227 || || — || December 14, 1999 || Socorro || LINEAR || — || align=right | 2.6 km || |-id=228 bgcolor=#E9E9E9 | 45228 || || — || December 14, 1999 || Socorro || LINEAR || RAF || align=right | 3.1 km || |-id=229 bgcolor=#fefefe | 45229 || || — || December 14, 1999 || Socorro || LINEAR || V || align=right | 2.5 km || |-id=230 bgcolor=#fefefe | 45230 || || — || December 14, 1999 || Socorro || LINEAR || — || align=right | 2.1 km || |-id=231 bgcolor=#E9E9E9 | 45231 || || — || December 14, 1999 || Socorro || LINEAR || — || align=right | 3.6 km || |-id=232 bgcolor=#E9E9E9 | 45232 || || — || December 13, 1999 || Kitt Peak || Spacewatch || ADE || align=right | 7.5 km || |-id=233 bgcolor=#E9E9E9 | 45233 || || — || December 13, 1999 || Kitt Peak || Spacewatch || — || align=right | 5.9 km || |-id=234 bgcolor=#fefefe | 45234 || || — || December 13, 1999 || Anderson Mesa || LONEOS || V || align=right | 2.8 km || |-id=235 bgcolor=#d6d6d6 | 45235 || || — || December 14, 1999 || Kitt Peak || Spacewatch || EOS || align=right | 5.3 km || |-id=236 bgcolor=#fefefe | 45236 || || — || December 7, 1999 || Catalina || CSS || V || align=right | 2.0 km || |-id=237 bgcolor=#fefefe | 45237 || || — || December 7, 1999 || Catalina || CSS || V || align=right | 1.6 km || |-id=238 bgcolor=#fefefe | 45238 || || — || December 7, 1999 || Anderson Mesa || LONEOS || FLO || align=right | 2.8 km || |-id=239 bgcolor=#E9E9E9 | 45239 || || — || December 8, 1999 || Socorro || LINEAR || GEF || align=right | 3.8 km || |-id=240 bgcolor=#E9E9E9 | 45240 || || — || December 3, 1999 || Socorro || LINEAR || EUN