APO || align=right data-sort-value="0.26" | 260 m || |-id=223 bgcolor=#fefefe | 164223 || || — || September 8, 2004 || Socorro || LINEAR || — || align=right | 1.7 km || |-id=224 bgcolor=#fefefe | 164224 || || — || September 10, 2004 || Socorro || LINEAR || — || align=right | 1.1 km || |-id=225 bgcolor=#fefefe | 164225 || || — || September 10, 2004 || Socorro || LINEAR || — || align=right | 1.7 km || |-id=226 bgcolor=#fefefe | 164226 || || — || September 10, 2004 || Socorro || LINEAR || — || align=right | 1.4 km || |-id=227 bgcolor=#fefefe | 164227 || || — || September 9, 2004 || Kitt Peak || Spacewatch || FLO || align=right data-sort-value="0.88" | 880 m || |-id=228 bgcolor=#fefefe | 164228 || || — || September 9, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.4 km || |-id=229 bgcolor=#fefefe | 164229 || || — || September 13, 2004 || Socorro || LINEAR || — || align=right | 1.1 km || |-id=230 bgcolor=#fefefe | 164230 || || — || September 15, 2004 || Kitt Peak || Spacewatch || FLO || align=right | 1.0 km || |-id=231 bgcolor=#fefefe | 164231 || || — || September 15, 2004 || Anderson Mesa || LONEOS || — || align=right | 1.6 km || |-id=232 bgcolor=#fefefe | 164232 || || — || September 17, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.4 km || |-id=233 bgcolor=#fefefe | 164233 || || — || September 22, 2004 || Goodricke-Pigott || R. A. Tucker || — || align=right data-sort-value="0.95" | 950 m || |-id=234 bgcolor=#fefefe | 164234 || || — || October 4, 2004 || Kitt Peak || Spacewatch || FLO || align=right data-sort-value="0.96" | 960 m || |-id=235 bgcolor=#fefefe | 164235 || || — || October 9, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.5 km || |-id=236 bgcolor=#fefefe | 164236 || || — || October 11, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.2 km || |-id=237 bgcolor=#fefefe | 164237 || || — || October 11, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.6 km || |-id=238 bgcolor=#fefefe | 164238 || || — || October 4, 2004 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.97" | 970 m || |-id=239 bgcolor=#fefefe | 164239 || || — ||