|-id=443 bgcolor=#E9E9E9 | 177443 || || — || February 13, 2004 || Palomar || NEAT || — || align=right | 2.7 km || |-id=444 bgcolor=#E9E9E9 | 177444 || || — || February 13, 2004 || Palomar || NEAT || — || align=right | 5.7 km || |-id=445 bgcolor=#E9E9E9 | 177445 || || — || February 14, 2004 || Palomar || NEAT || MAR || align=right | 1.8 km || |-id=446 bgcolor=#fefefe | 177446 || || — || February 14, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.4 km || |-id=447 bgcolor=#fefefe | 177447 || || — || February 11, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.2 km || |-id=448 bgcolor=#E9E9E9 | 177448 || || — || February 17, 2004 || Kitt Peak || Spacewatch || — || align=right | 2.0 km || |-id=449 bgcolor=#E9E9E9 | 177449 || || — || February 16, 2004 || Kitt Peak || Spacewatch || — || align=right | 4.5 km || |-id=450 bgcolor=#fefefe | 177450 || || — || February 16, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.5 km || |-id=451 bgcolor=#E9E9E9 | 177451 || || — || February 16, 2004 || Catalina || CSS || — || align=right | 1.6 km || |-id=452 bgcolor=#E9E9E9 | 177452 || || — || February 17, 2004 || Kitt Peak || Spacewatch || — || align=right | 4.6 km || |-id=453 bgcolor=#E9E9E9 | 177453 || || — || February 18, 2004 || Kitt Peak || Spacewatch || — || align=right | 2.2 km || |-id=454 bgcolor=#fefefe | 177454 || || — || February 16, 2004 || Catalina || CSS || V || align=right | 1.2 km || |-id=455 bgcolor=#E9E9E9 | 177455 || || — || February 17, 2004 || Socorro || LINEAR || — || align=right | 2.5 km || |-id=456 bgcolor=#E9E9E9 | 177456 || || — || February 17, 2004 || Catalina || CSS || — || align=right | 4.9 km || |-id=457 bgcolor=#E9E9E9 | 177457 || || — || February 19, 2004 || Socorro || LINEAR || — || align=right | 1.1 km || |-id=458 bgcolor=#E9E9E9 | 177458 || || — || February 19, 2004 || Socorro || LINEAR || EUN || align=right | 1.6 km || |-id=459 bgcolor=#E9E9E9 | 177459 || || — || February 19, 2004 || Socorro || LINEAR || — || align=right | 1.5 km || |-id=460 bgcolor=#E9E9E9