|| || — || April 7, 1999 || Socorro || LINEAR || — || align=right | 2.4 km || |-id=506 bgcolor=#fefefe | 33506 || || — || April 6, 1999 || Socorro || LINEAR || — || align=right | 1.9 km || |-id=507 bgcolor=#E9E9E9 | 33507 || || — || April 6, 1999 || Socorro || LINEAR || — || align=right | 3.9 km || |-id=508 bgcolor=#E9E9E9 | 33508 Drewnik || || || April 6, 1999 || Socorro || LINEAR || — || align=right | 3.3 km || |-id=509 bgcolor=#fefefe | 33509 Mogilny || || || April 7, 1999 || Socorro || LINEAR || — || align=right | 1.9 km || |-id=510 bgcolor=#fefefe | 33510 || || — || April 7, 1999 || Socorro || LINEAR || — || align=right | 1.8 km || |-id=511 bgcolor=#fefefe | 33511 Austinwang || || || April 12, 1999 || Socorro || LINEAR || V || align=right | 2.8 km || |-id=512 bgcolor=#fefefe | 33512 || || — || April 12, 1999 || Socorro || LINEAR || V || align=right | 3.3 km || |-id=513 bgcolor=#fefefe | 33513 || || — || April 6, 1999 || Socorro || LINEAR || — || align=right | 4.0 km || |-id=514 bgcolor=#fefefe | 33514 Changpeihsuan || || || April 6, 1999 || Socorro || LINEAR || V || align=right | 3.6 km || |-id=515 bgcolor=#E9E9E9 | 33515 Linbohan || || || April 6, 1999 || Socorro || LINEAR || — || align=right | 3.7 km || |-id=516 bgcolor=#fefefe | 33516 Timonen || || || April 6, 1999 || Socorro || LINEAR || FLO || align=right | 2.6 km || |-id=517 bgcolor=#E9E9E9 | 33517 Paulfoltin || || || April 6, 1999 || Socorro || LINEAR || DOR || align=right | 7.1 km || |-id=518 bgcolor=#fefefe | 33518 Stoetzer || || || April 6, 1999 || Socorro || LINEAR || — || align=right | 2.7 km || |-id=519 bgcolor=#E9E9E9 | 33519 || || — || April 12, 1999 || Socorro || LINEAR || GEF || align=right | 4.7 km || |-id=520 bgcolor=#fefefe | 33520 Ichige || || || April 12, 1999 || Socorro || LINEAR || — || align=right | 3.0 km || |-id=521 bgcolor=#E9E9E9 | 33521 || || — || April 12, 1999 || Socorro || LINEAR || EUN || align=right | 4.6 km || |-id=522 bgcolor=#fefefe | 33522 Chizumimaeta || || || April 12, 1999 || Socorro