1.7 km || |-id=426 bgcolor=#fefefe | 177426 || || — || February 11, 2004 || Palomar || NEAT || — || align=right | 2.0 km || |-id=427 bgcolor=#E9E9E9 | 177427 || || — || February 11, 2004 || Anderson Mesa || LONEOS || GEF || align=right | 2.1 km || |-id=428 bgcolor=#E9E9E9 | 177428 || || — || February 11, 2004 || Palomar || NEAT || — || align=right | 1.5 km || |-id=429 bgcolor=#fefefe | 177429 || || — || February 12, 2004 || Palomar || NEAT || — || align=right | 3.5 km || |-id=430 bgcolor=#E9E9E9 | 177430 || || — || February 13, 2004 || Kitt Peak || Spacewatch || — || align=right | 2.5 km || |-id=431 bgcolor=#fefefe | 177431 || || — || February 11, 2004 || Anderson Mesa || LONEOS || — || align=right | 1.1 km || |-id=432 bgcolor=#E9E9E9 | 177432 || || — || February 13, 2004 || Palomar || NEAT || — || align=right | 1.8 km || |-id=433 bgcolor=#E9E9E9 | 177433 || || — || February 13, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.9 km || |-id=434 bgcolor=#E9E9E9 | 177434 || || — || February 11, 2004 || Palomar || NEAT || — || align=right | 2.4 km || |-id=435 bgcolor=#fefefe | 177435 || || — || February 11, 2004 || Kitt Peak || Spacewatch || NYS || align=right | 1.3 km || |-id=436 bgcolor=#fefefe | 177436 || || — || February 11, 2004 || Palomar || NEAT || MAS || align=right | 1.1 km || |-id=437 bgcolor=#E9E9E9 | 177437 || || — || February 14, 2004 || Haleakala || NEAT || HNS || align=right | 1.9 km || |-id=438 bgcolor=#fefefe | 177438 || || — || February 11, 2004 || Palomar || NEAT || MAS || align=right | 1.4 km || |-id=439 bgcolor=#E9E9E9 | 177439 || || — || February 13, 2004 || Palomar || NEAT || — || align=right | 2.6 km || |-id=440 bgcolor=#E9E9E9 | 177440 || || — || February 13, 2004 || Palomar || NEAT || ADE || align=right | 3.4 km || |-id=441 bgcolor=#E9E9E9 | 177441 || || — || February 14, 2004 || Kitt Peak || Spacewatch || — || align=right | 2.0 km || |-id=442 bgcolor=#fefefe | 177442 || || — || February 14, 2004 || Catalina || CSS || — || align=right | 1.4 km ||