Socorro || LINEAR || — || align=right | 4.9 km || |-id=510 bgcolor=#d6d6d6 | 40510 || || — || September 7, 1999 || Socorro || LINEAR || K-2 || align=right | 4.1 km || |-id=511 bgcolor=#fefefe | 40511 || || — || September 7, 1999 || Socorro || LINEAR || NYSfast || align=right | 1.9 km || |-id=512 bgcolor=#E9E9E9 | 40512 || || — || September 7, 1999 || Socorro || LINEAR || HEN || align=right | 2.8 km || |-id=513 bgcolor=#E9E9E9 | 40513 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 4.8 km || |-id=514 bgcolor=#E9E9E9 | 40514 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 3.0 km || |-id=515 bgcolor=#E9E9E9 | 40515 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 5.6 km || |-id=516 bgcolor=#d6d6d6 | 40516 || || — || September 7, 1999 || Socorro || LINEAR || KOR || align=right | 5.3 km || |-id=517 bgcolor=#E9E9E9 | 40517 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 3.1 km || |-id=518 bgcolor=#E9E9E9 | 40518 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 2.5 km || |-id=519 bgcolor=#E9E9E9 | 40519 || || — || September 7, 1999 || Socorro || LINEAR || WIT || align=right | 2.5 km || |-id=520 bgcolor=#E9E9E9 | 40520 || || — || September 7, 1999 || Socorro || LINEAR || GEF || align=right | 4.2 km || |-id=521 bgcolor=#E9E9E9 | 40521 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 2.6 km || |-id=522 bgcolor=#E9E9E9 | 40522 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 5.4 km || |-id=523 bgcolor=#E9E9E9 | 40523 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 2.9 km || |-id=524 bgcolor=#E9E9E9 | 40524 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 3.2 km || |-id=525 bgcolor=#fefefe | 40525 || || — || September 7, 1999 || Socorro || LINEAR || MAS || align=right | 1.6 km || |-id=526 bgcolor=#E9E9E9 | 40526 || || — || September 7, 1999 || Socorro || LINEAR || HEN || align=right | 3.3