|| Socorro || LINEAR || MAS || align=right | 1.8 km || |} 50501–50600 |-bgcolor=#E9E9E9 | 50501 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right | 2.9 km || |-id=502 bgcolor=#d6d6d6 | 50502 || || — || February 29, 2000 || Socorro || LINEAR || EOS || align=right | 5.1 km || |-id=503 bgcolor=#E9E9E9 | 50503 || || — || February 29, 2000 || Socorro || LINEAR || WIT || align=right | 2.6 km || |-id=504 bgcolor=#E9E9E9 | 50504 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right | 3.2 km || |-id=505 bgcolor=#E9E9E9 | 50505 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right | 5.6 km || |-id=506 bgcolor=#fefefe | 50506 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right | 3.6 km || |-id=507 bgcolor=#E9E9E9 | 50507 || || — || February 29, 2000 || Socorro || LINEAR || MAR || align=right | 4.1 km || |-id=508 bgcolor=#d6d6d6 | 50508 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right | 6.4 km || |-id=509 bgcolor=#fefefe | 50509 || || — || February 29, 2000 || Socorro || LINEAR || FLO || align=right | 1.8 km || |-id=510 bgcolor=#d6d6d6 | 50510 || || — || February 29, 2000 || Socorro || LINEAR || EOS || align=right | 7.2 km || |-id=511 bgcolor=#E9E9E9 | 50511 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right | 3.7 km || |-id=512 bgcolor=#fefefe | 50512 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right | 2.4 km || |-id=513 bgcolor=#E9E9E9 | 50513 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right | 4.4 km || |-id=514 bgcolor=#E9E9E9 | 50514 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right | 3.3 km || |-id=515 bgcolor=#fefefe | 50515 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right | 2.9 km || |-id=516 bgcolor=#E9E9E9 | 50516 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right | 2.9 km || |-id=517 bgcolor=#fefefe | 50517 || || — || February 29, 2000 || Socorro || LINEAR || — || align=right