|| G. Bell || — || align=right | 2.3 km || |-id=620 bgcolor=#E9E9E9 | 19620 Auckland || 1999 QG || || August 18, 1999 || Auckland || Stardome Obs. || EUN || align=right | 4.7 km || |-id=621 bgcolor=#E9E9E9 | 19621 || || — || September 4, 1999 || Gekko || T. Kagawa || MAR || align=right | 5.2 km || |-id=622 bgcolor=#d6d6d6 | 19622 || || — || September 6, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 11 km || |-id=623 bgcolor=#fefefe | 19623 || || — || September 4, 1999 || Catalina || CSS || V || align=right | 2.7 km || |-id=624 bgcolor=#d6d6d6 | 19624 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 9.0 km || |-id=625 bgcolor=#fefefe | 19625 Ovaitt || || || September 7, 1999 || Socorro || LINEAR || — || align=right | 5.1 km || |-id=626 bgcolor=#d6d6d6 | 19626 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 11 km || |-id=627 bgcolor=#d6d6d6 | 19627 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 6.1 km || |-id=628 bgcolor=#d6d6d6 | 19628 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 6.1 km || |-id=629 bgcolor=#E9E9E9 | 19629 Serra || || || September 8, 1999 || Guitalens || A. Klotz || HEN || align=right | 4.7 km || |-id=630 bgcolor=#E9E9E9 | 19630 Janebell || || || September 2, 1999 || Farpoint || G. Bell || MAR || align=right | 4.2 km || |-id=631 bgcolor=#E9E9E9 | 19631 Greensleeves || || || September 13, 1999 || Reedy Creek || J. Broughton || GEF || align=right | 4.4 km || |-id=632 bgcolor=#d6d6d6 | 19632 || || — || September 13, 1999 || Zeno || T. Stafford || — || align=right | 5.6 km || |-id=633 bgcolor=#fefefe | 19633 Rusjan || || || September 13, 1999 || Črni Vrh || Črni Vrh || — || align=right | 4.4 km || |-id=634 bgcolor=#d6d6d6 | 19634 || || — || September 14, 1999 || Fountain Hills || C. W. Juels || — || align=right | 18 km || |-id=635 bgcolor=#E9E9E9 | 19635 || || — || September 7, 1999 || Socorro || LINEAR || ADE || align=right | 7.0 km || |-id=636 bgcolor=#d6d6d6 | 19636 ||