| 177289 || || — || December 1, 2003 || Kitt Peak || Spacewatch || V || align=right data-sort-value="0.93" | 930 m || |-id=290 bgcolor=#fefefe | 177290 || || — || December 1, 2003 || Kitt Peak || Spacewatch || V || align=right data-sort-value="0.97" | 970 m || |-id=291 bgcolor=#fefefe | 177291 || || — || December 3, 2003 || Socorro || LINEAR || NYS || align=right | 1.1 km || |-id=292 bgcolor=#E9E9E9 | 177292 || || — || December 14, 2003 || Socorro || LINEAR || — || align=right | 2.5 km || |-id=293 bgcolor=#fefefe | 177293 || || — || December 14, 2003 || Palomar || NEAT || — || align=right | 2.8 km || |-id=294 bgcolor=#fefefe | 177294 || || — || December 15, 2003 || Kitt Peak || Spacewatch || — || align=right | 3.5 km || |-id=295 bgcolor=#fefefe | 177295 || || — || December 14, 2003 || Kitt Peak || Spacewatch || — || align=right | 1.3 km || |-id=296 bgcolor=#fefefe | 177296 || || — || December 15, 2003 || Socorro || LINEAR || — || align=right | 3.8 km || |-id=297 bgcolor=#fefefe | 177297 || || — || December 1, 2003 || Kitt Peak || Spacewatch || NYS || align=right data-sort-value="0.81" | 810 m || |-id=298 bgcolor=#fefefe | 177298 || || — || December 1, 2003 || Kitt Peak || Spacewatch || — || align=right | 1.2 km || |-id=299 bgcolor=#fefefe | 177299 || || — || December 17, 2003 || Socorro || LINEAR || — || align=right | 1.6 km || |-id=300 bgcolor=#fefefe | 177300 || || — || December 16, 2003 || Catalina || CSS || — || align=right | 1.3 km || |} 177301–177400 |-bgcolor=#fefefe | 177301 || || — || December 16, 2003 || Catalina || CSS || FLO || align=right data-sort-value="0.80" | 800 m || |-id=302 bgcolor=#fefefe | 177302 || || — || December 17, 2003 || Socorro || LINEAR || V || align=right | 1.2 km || |-id=303 bgcolor=#fefefe | 177303 || || — || December 17, 2003 || Kitt Peak || Spacewatch || NYS || align=right | 1.1 km || |-id=304 bgcolor=#fefefe | 177304 || || — || December 17, 2003 || Anderson Mesa || LONEOS || NYS || align=right | 1.00 km || |-id=305 bgcolor=#fefefe | 177305 || || — || December 17, 2003 || Socorro || LINEAR || — || align=right | 1.2