align=right | 3.7 km || |-id=569 bgcolor=#E9E9E9 | 19569 || || — || May 20, 1999 || Socorro || LINEAR || — || align=right | 6.8 km || |-id=570 bgcolor=#fefefe | 19570 Jessedouglas || || || June 13, 1999 || Prescott || P. G. Comba || — || align=right | 6.4 km || |-id=571 bgcolor=#fefefe | 19571 || || — || June 8, 1999 || Kitt Peak || Spacewatch || NYS || align=right | 3.7 km || |-id=572 bgcolor=#fefefe | 19572 Leahmarie || || || June 8, 1999 || Socorro || LINEAR || — || align=right | 2.5 km || |-id=573 bgcolor=#fefefe | 19573 Cummings || || || June 9, 1999 || Socorro || LINEAR || V || align=right | 3.0 km || |-id=574 bgcolor=#fefefe | 19574 Davidedwards || || || June 9, 1999 || Socorro || LINEAR || — || align=right | 3.2 km || |-id=575 bgcolor=#fefefe | 19575 Feeny || || || June 9, 1999 || Socorro || LINEAR || FLO || align=right | 2.1 km || |-id=576 bgcolor=#fefefe | 19576 || || — || June 9, 1999 || Socorro || LINEAR || — || align=right | 2.5 km || |-id=577 bgcolor=#fefefe | 19577 Bobbyfisher || || || June 9, 1999 || Socorro || LINEAR || — || align=right | 3.6 km || |-id=578 bgcolor=#fefefe | 19578 Kirkdouglas || 1999 MO || || June 20, 1999 || Reedy Creek || J. Broughton || NYS || align=right | 2.7 km || |-id=579 bgcolor=#E9E9E9 | 19579 || || — || June 23, 1999 || Woomera || F. B. Zoltowski || — || align=right | 4.1 km || |-id=580 bgcolor=#d6d6d6 | 19580 || 1999 ND || — || July 4, 1999 || Višnjan Observatory || K. Korlević || FIR || align=right | 13 km || |-id=581 bgcolor=#E9E9E9 | 19581 || || — || July 13, 1999 || Socorro || LINEAR || — || align=right | 4.9 km || |-id=582 bgcolor=#E9E9E9 | 19582 Blow || || || July 13, 1999 || Reedy Creek || J. Broughton || — || align=right | 3.1 km || |-id=583 bgcolor=#fefefe | 19583 || || — || July 12, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 2.5 km || |-id=584 bgcolor=#E9E9E9 | 19584 Sarahgerin || || || July 13, 1999 || Socorro || LINEAR || — || align=right | 3.2 km || |-id=585 bgcolor=#d6d6d6 | 19585 Zachopkins || || || July 13,