| 5.6 km || |-id=564 bgcolor=#d6d6d6 | 91564 || || — || September 8, 1999 || Socorro || LINEAR || — || align=right | 6.2 km || |-id=565 bgcolor=#d6d6d6 | 91565 || || — || September 8, 1999 || Catalina || CSS || EOS || align=right | 4.6 km || |-id=566 bgcolor=#d6d6d6 | 91566 || || — || September 8, 1999 || Catalina || CSS || EOS || align=right | 4.6 km || |-id=567 bgcolor=#d6d6d6 | 91567 || || — || September 8, 1999 || Anderson Mesa || LONEOS || — || align=right | 7.8 km || |-id=568 bgcolor=#d6d6d6 | 91568 || || — || September 11, 1999 || Anderson Mesa || LONEOS || LIX || align=right | 8.4 km || |-id=569 bgcolor=#E9E9E9 | 91569 || || — || September 7, 1999 || Socorro || LINEAR || GEF || align=right | 3.2 km || |-id=570 bgcolor=#d6d6d6 | 91570 || || — || September 8, 1999 || Socorro || LINEAR || EOS || align=right | 4.1 km || |-id=571 bgcolor=#d6d6d6 | 91571 || || — || September 8, 1999 || Socorro || LINEAR || — || align=right | 3.6 km || |-id=572 bgcolor=#d6d6d6 | 91572 || || — || September 8, 1999 || Socorro || LINEAR || — || align=right | 7.3 km || |-id=573 bgcolor=#E9E9E9 | 91573 || || — || September 16, 1999 || Observatoire Royal de Belgique, Uccle || T. Pauwels, S. I. Ipatov || — || align=right | 2.6 km || |-id=574 bgcolor=#d6d6d6 | 91574 || || — || September 22, 1999 || Ondřejov || L. Kotková || EOS || align=right | 4.5 km || |-id=575 bgcolor=#d6d6d6 | 91575 || || — || September 30, 1999 || Socorro || LINEAR || EOS || align=right | 5.3 km || |-id=576 bgcolor=#E9E9E9 | 91576 || || — || September 29, 1999 || Socorro || LINEAR || — || align=right | 5.7 km || |-id=577 bgcolor=#E9E9E9 | 91577 || || — || September 29, 1999 || Socorro || LINEAR || — || align=right | 6.0 km || |-id=578 bgcolor=#d6d6d6 | 91578 || || — || September 30, 1999 || Catalina || CSS || KOR || align=right | 3.0 km || |-id=579 bgcolor=#d6d6d6 | 91579 || || — || September 30, 1999 || Catalina || CSS || EOS || align=right | 5.0 km || |-id=580 bgcolor=#d6d6d6 | 91580 || || — || September 30, 1999 || Catalina || CSS || —