|| — || April 4, 2000 || Anderson Mesa || LONEOS || FLO || align=right | 2.1 km || |-id=497 bgcolor=#fefefe | 56497 || || — || April 4, 2000 || Anderson Mesa || LONEOS || — || align=right | 2.4 km || |-id=498 bgcolor=#fefefe | 56498 || || — || April 4, 2000 || Anderson Mesa || LONEOS || — || align=right | 1.9 km || |-id=499 bgcolor=#fefefe | 56499 || || — || April 7, 2000 || Anderson Mesa || LONEOS || — || align=right | 2.1 km || |-id=500 bgcolor=#fefefe | 56500 || || — || April 7, 2000 || Anderson Mesa || LONEOS || — || align=right | 3.0 km || |} 56501–56600 |-bgcolor=#fefefe | 56501 || || — || April 6, 2000 || Anderson Mesa || LONEOS || — || align=right | 2.0 km || |-id=502 bgcolor=#E9E9E9 | 56502 || || — || April 7, 2000 || Socorro || LINEAR || — || align=right | 2.8 km || |-id=503 bgcolor=#fefefe | 56503 || || — || April 7, 2000 || Socorro || LINEAR || V || align=right | 2.8 km || |-id=504 bgcolor=#fefefe | 56504 || || — || April 5, 2000 || Socorro || LINEAR || V || align=right | 1.6 km || |-id=505 bgcolor=#fefefe | 56505 || || — || April 2, 2000 || Anderson Mesa || LONEOS || — || align=right | 1.5 km || |-id=506 bgcolor=#fefefe | 56506 || || — || April 5, 2000 || Anderson Mesa || LONEOS || V || align=right | 1.9 km || |-id=507 bgcolor=#fefefe | 56507 || || — || April 4, 2000 || Anderson Mesa || LONEOS || V || align=right | 1.9 km || |-id=508 bgcolor=#fefefe | 56508 || || — || April 24, 2000 || Kitt Peak || Spacewatch || — || align=right | 2.2 km || |-id=509 bgcolor=#fefefe | 56509 || || — || April 24, 2000 || Kitt Peak || Spacewatch || V || align=right | 1.8 km || |-id=510 bgcolor=#fefefe | 56510 || || — || April 27, 2000 || Socorro || LINEAR || — || align=right | 2.4 km || |-id=511 bgcolor=#fefefe | 56511 || || — || April 27, 2000 || Socorro || LINEAR || NYS || align=right | 2.1 km || |-id=512 bgcolor=#fefefe | 56512 || || — || April 27, 2000 || Socorro || LINEAR || — || align=right | 2.1 km || |-id=513 bgcolor=#E9E9E9