2004 || Palomar || NEAT || — || align=right | 3.7 km || |-id=478 bgcolor=#E9E9E9 | 177478 || || — || March 15, 2004 || Desert Eagle || W. K. Y. Yeung || — || align=right | 1.6 km || |-id=479 bgcolor=#E9E9E9 | 177479 || || — || March 11, 2004 || Palomar || NEAT || — || align=right | 2.3 km || |-id=480 bgcolor=#E9E9E9 | 177480 || || — || March 11, 2004 || Palomar || NEAT || — || align=right | 2.1 km || |-id=481 bgcolor=#E9E9E9 | 177481 || || — || March 12, 2004 || Palomar || NEAT || — || align=right | 2.2 km || |-id=482 bgcolor=#E9E9E9 | 177482 || || — || March 12, 2004 || Palomar || NEAT || INO || align=right | 2.0 km || |-id=483 bgcolor=#E9E9E9 | 177483 || || — || March 12, 2004 || Palomar || NEAT || — || align=right | 3.3 km || |-id=484 bgcolor=#E9E9E9 | 177484 || || — || March 14, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.8 km || |-id=485 bgcolor=#E9E9E9 | 177485 || || — || March 14, 2004 || Kitt Peak || Spacewatch || — || align=right | 3.7 km || |-id=486 bgcolor=#E9E9E9 | 177486 || || — || March 15, 2004 || Kitt Peak || Spacewatch || — || align=right | 3.3 km || |-id=487 bgcolor=#E9E9E9 | 177487 || || — || March 14, 2004 || Palomar || NEAT || — || align=right | 2.2 km || |-id=488 bgcolor=#E9E9E9 | 177488 || || — || March 15, 2004 || Kitt Peak || Spacewatch || — || align=right | 2.3 km || |-id=489 bgcolor=#E9E9E9 | 177489 || || — || March 15, 2004 || Palomar || NEAT || — || align=right | 3.4 km || |-id=490 bgcolor=#E9E9E9 | 177490 || || — || March 12, 2004 || Palomar || NEAT || — || align=right | 1.2 km || |-id=491 bgcolor=#E9E9E9 | 177491 || || — || March 13, 2004 || Palomar || NEAT || — || align=right | 5.1 km || |-id=492 bgcolor=#E9E9E9 | 177492 || || — || March 14, 2004 || Palomar || NEAT || — || align=right | 2.7 km || |-id=493 bgcolor=#d6d6d6 | 177493 || || — || March 15, 2004 || Socorro || LINEAR || — || align=right | 5.3 km || |-id=494 bgcolor=#E9E9E9 | 177494 || || — || March 15, 2004