|| || — || March 20, 2004 || Socorro || LINEAR || — || align=right | 3.5 km || |-id=564 bgcolor=#E9E9E9 | 177564 || || — || March 24, 2004 || Anderson Mesa || LONEOS || NEM || align=right | 4.0 km || |-id=565 bgcolor=#E9E9E9 | 177565 || || — || March 23, 2004 || Socorro || LINEAR || — || align=right | 3.8 km || |-id=566 bgcolor=#E9E9E9 | 177566 || || — || March 23, 2004 || Socorro || LINEAR || — || align=right | 1.7 km || |-id=567 bgcolor=#E9E9E9 | 177567 || || — || March 23, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.8 km || |-id=568 bgcolor=#d6d6d6 | 177568 || || — || March 23, 2004 || Kitt Peak || Spacewatch || — || align=right | 3.7 km || |-id=569 bgcolor=#E9E9E9 | 177569 || || — || March 23, 2004 || Socorro || LINEAR || — || align=right | 2.6 km || |-id=570 bgcolor=#E9E9E9 | 177570 || || — || March 23, 2004 || Socorro || LINEAR || — || align=right | 2.7 km || |-id=571 bgcolor=#E9E9E9 | 177571 || || — || March 27, 2004 || Socorro || LINEAR || — || align=right | 2.4 km || |-id=572 bgcolor=#E9E9E9 | 177572 || || — || March 27, 2004 || Socorro || LINEAR || — || align=right | 4.3 km || |-id=573 bgcolor=#E9E9E9 | 177573 || || — || March 23, 2004 || Kitt Peak || Spacewatch || HEN || align=right | 1.4 km || |-id=574 bgcolor=#d6d6d6 | 177574 || || — || March 26, 2004 || Socorro || LINEAR || — || align=right | 4.6 km || |-id=575 bgcolor=#E9E9E9 | 177575 || || — || March 29, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.6 km || |-id=576 bgcolor=#E9E9E9 | 177576 || || — || March 17, 2004 || Socorro || LINEAR || — || align=right | 2.7 km || |-id=577 bgcolor=#E9E9E9 | 177577 || || — || March 30, 2004 || Kitt Peak || Spacewatch || — || align=right | 1.5 km || |-id=578 bgcolor=#d6d6d6 | 177578 || || — || March 17, 2004 || Kitt Peak || Spacewatch || KAR || align=right | 1.5 km || |-id=579 bgcolor=#E9E9E9 | 177579 || || — || March 18, 2004 || Kitt Peak || Spacewatch || — || align=right | 2.2 km || |-id=580 bgcolor=#E9E9E9 | 177580 ||