| 20581 Prendergast || || || September 9, 1999 || Socorro || LINEAR || — || align=right | 2.8 km || |-id=582 bgcolor=#E9E9E9 | 20582 Reichenbach || || || September 9, 1999 || Socorro || LINEAR || — || align=right | 3.9 km || |-id=583 bgcolor=#d6d6d6 | 20583 Richthammer || || || September 9, 1999 || Socorro || LINEAR || KOR || align=right | 4.2 km || |-id=584 bgcolor=#d6d6d6 | 20584 Brigidsavage || || || September 9, 1999 || Socorro || LINEAR || KOR || align=right | 4.5 km || |-id=585 bgcolor=#fefefe | 20585 Wentworth || || || September 9, 1999 || Socorro || LINEAR || — || align=right | 5.3 km || |-id=586 bgcolor=#E9E9E9 | 20586 Elizkolod || || || September 9, 1999 || Socorro || LINEAR || — || align=right | 6.3 km || |-id=587 bgcolor=#d6d6d6 | 20587 Jargoldman || || || September 9, 1999 || Socorro || LINEAR || — || align=right | 7.9 km || |-id=588 bgcolor=#d6d6d6 | 20588 || || — || September 9, 1999 || Socorro || LINEAR || — || align=right | 11 km || |-id=589 bgcolor=#E9E9E9 | 20589 Hennyadmoni || || || September 9, 1999 || Socorro || LINEAR || — || align=right | 2.4 km || |-id=590 bgcolor=#E9E9E9 | 20590 Bongiovanni || || || September 9, 1999 || Socorro || LINEAR || — || align=right | 5.0 km || |-id=591 bgcolor=#E9E9E9 | 20591 Sameergupta || || || September 9, 1999 || Socorro || LINEAR || — || align=right | 2.5 km || |-id=592 bgcolor=#d6d6d6 | 20592 || || — || September 9, 1999 || Socorro || LINEAR || VER || align=right | 12 km || |-id=593 bgcolor=#fefefe | 20593 Freilich || || || September 9, 1999 || Socorro || LINEAR || V || align=right | 3.3 km || |-id=594 bgcolor=#d6d6d6 | 20594 || || — || September 9, 1999 || Socorro || LINEAR || — || align=right | 13 km || |-id=595 bgcolor=#fefefe | 20595 Ryanwisnoski || || || September 9, 1999 || Socorro || LINEAR || — || align=right | 2.6 km || |-id=596 bgcolor=#E9E9E9 | 20596 || || — || September 9, 1999 || Socorro || LINEAR || — || align=right | 3.6 km || |-id=597 bgcolor=#E9E9E9 | 20597 || || — || September 11, 1999 || Socorro || LINEAR || EUN || align=right | 4.7 km || |-id=598 bgcolor=#E9E9E9 | 20598 || || — || September 7, 1999