|-id=409 bgcolor=#fefefe | 177409 || || — || January 16, 2004 || Kitt Peak || Spacewatch || NYS || align=right | 1.2 km || |-id=410 bgcolor=#fefefe | 177410 || || — || January 26, 2004 || Anderson Mesa || LONEOS || — || align=right | 1.5 km || |-id=411 bgcolor=#E9E9E9 | 177411 || || — || January 16, 2004 || Palomar || NEAT || — || align=right | 1.5 km || |-id=412 bgcolor=#E9E9E9 | 177412 || 2004 CK || — || February 2, 2004 || Socorro || LINEAR || JUN || align=right | 1.4 km || |-id=413 bgcolor=#E9E9E9 | 177413 || || — || February 12, 2004 || Desert Eagle || W. K. Y. Yeung || EUN || align=right | 1.6 km || |-id=414 bgcolor=#E9E9E9 | 177414 || || — || February 11, 2004 || Palomar || NEAT || HNS || align=right | 1.9 km || |-id=415 bgcolor=#E9E9E9 | 177415 Queloz || || || February 9, 2004 || Vicques || M. Ory || — || align=right | 2.4 km || |-id=416 bgcolor=#fefefe | 177416 || || — || February 10, 2004 || Nogales || Tenagra II Obs. || MAS || align=right | 1.0 km || |-id=417 bgcolor=#E9E9E9 | 177417 || || — || February 10, 2004 || Palomar || NEAT || — || align=right | 3.1 km || |-id=418 bgcolor=#fefefe | 177418 || || — || February 11, 2004 || Palomar || NEAT || NYS || align=right | 1.0 km || |-id=419 bgcolor=#fefefe | 177419 || || — || February 11, 2004 || Catalina || CSS || MAS || align=right | 1.5 km || |-id=420 bgcolor=#E9E9E9 | 177420 || || — || February 11, 2004 || Palomar || NEAT || — || align=right | 1.8 km || |-id=421 bgcolor=#E9E9E9 | 177421 || || — || February 11, 2004 || Palomar || NEAT || MAR || align=right | 2.1 km || |-id=422 bgcolor=#E9E9E9 | 177422 || || — || February 10, 2004 || Palomar || NEAT || — || align=right | 2.7 km || |-id=423 bgcolor=#fefefe | 177423 || || — || February 11, 2004 || Palomar || NEAT || NYS || align=right | 1.6 km || |-id=424 bgcolor=#fefefe | 177424 || || — || February 12, 2004 || Kitt Peak || Spacewatch || MAS || align=right | 1.2 km || |-id=425 bgcolor=#E9E9E9 | 177425 || || — || February 12, 2004 || Palomar || NEAT || — || align=right |