— || July 30, 2000 || Socorro || LINEAR || — || align=right | 5.2 km || |-id=498 bgcolor=#d6d6d6 | 54498 || || — || July 30, 2000 || Socorro || LINEAR || — || align=right | 9.1 km || |-id=499 bgcolor=#d6d6d6 | 54499 || || — || July 30, 2000 || Socorro || LINEAR || — || align=right | 4.4 km || |-id=500 bgcolor=#E9E9E9 | 54500 || || — || July 30, 2000 || Socorro || LINEAR || MAR || align=right | 3.3 km || |} 54501–54600 |-bgcolor=#E9E9E9 | 54501 || || — || July 31, 2000 || Socorro || LINEAR || MAR || align=right | 5.1 km || |-id=502 bgcolor=#fefefe | 54502 || || — || July 31, 2000 || Socorro || LINEAR || FLO || align=right | 2.5 km || |-id=503 bgcolor=#d6d6d6 | 54503 || || — || July 30, 2000 || Socorro || LINEAR || URS || align=right | 10 km || |-id=504 bgcolor=#d6d6d6 | 54504 || || — || July 29, 2000 || Anderson Mesa || LONEOS || KOR || align=right | 4.0 km || |-id=505 bgcolor=#d6d6d6 | 54505 || || — || July 29, 2000 || Anderson Mesa || LONEOS || KOR || align=right | 3.3 km || |-id=506 bgcolor=#d6d6d6 | 54506 || || — || July 29, 2000 || Anderson Mesa || LONEOS || — || align=right | 8.8 km || |-id=507 bgcolor=#E9E9E9 | 54507 || || — || July 29, 2000 || Anderson Mesa || LONEOS || — || align=right | 4.5 km || |-id=508 bgcolor=#E9E9E9 | 54508 || || — || August 1, 2000 || Socorro || LINEAR || — || align=right | 5.4 km || |-id=509 bgcolor=#FFC2E0 | 54509 YORP || || || August 3, 2000 || Socorro || LINEAR || APOfastcritical || align=right data-sort-value="0.10" | 100 m || |-id=510 bgcolor=#E9E9E9 | 54510 Yakagehonjin || || || August 6, 2000 || Bisei SG Center || BATTeRS || — || align=right | 5.6 km || |-id=511 bgcolor=#d6d6d6 | 54511 || || — || August 1, 2000 || Socorro || LINEAR || — || align=right | 3.9 km || |-id=512 bgcolor=#E9E9E9 | 54512 || || — || August 1, 2000 || Socorro || LINEAR || — || align=right | 5.9 km || |-id=513 bgcolor=#d6d6d6 | 54513 || || — || August 1, 2000 || Socorro || LINEAR || — || align=right | 6.9 km || |-id=514 bgcolor=#d6d6d6 | 54514 || || —