4, 1999 || Socorro || LINEAR || HYG || align=right | 11 km || |-id=614 bgcolor=#d6d6d6 | 91614 || || — || October 4, 1999 || Socorro || LINEAR || — || align=right | 5.1 km || |-id=615 bgcolor=#d6d6d6 | 91615 || || — || October 4, 1999 || Socorro || LINEAR || — || align=right | 6.2 km || |-id=616 bgcolor=#d6d6d6 | 91616 || || — || October 4, 1999 || Socorro || LINEAR || — || align=right | 5.3 km || |-id=617 bgcolor=#d6d6d6 | 91617 || || — || October 15, 1999 || Anderson Mesa || LONEOS || — || align=right | 13 km || |-id=618 bgcolor=#d6d6d6 | 91618 || || — || October 1, 1999 || Catalina || CSS || — || align=right | 6.2 km || |-id=619 bgcolor=#E9E9E9 | 91619 || || — || October 1, 1999 || Catalina || CSS || — || align=right | 5.3 km || |-id=620 bgcolor=#d6d6d6 | 91620 || || — || October 3, 1999 || Catalina || CSS || — || align=right | 5.2 km || |-id=621 bgcolor=#d6d6d6 | 91621 || || — || October 3, 1999 || Catalina || CSS || — || align=right | 5.4 km || |-id=622 bgcolor=#E9E9E9 | 91622 || || — || October 5, 1999 || Catalina || CSS || AGN || align=right | 3.0 km || |-id=623 bgcolor=#d6d6d6 | 91623 || || — || October 2, 1999 || Kitt Peak || Spacewatch || THM || align=right | 3.2 km || |-id=624 bgcolor=#d6d6d6 | 91624 || || — || October 3, 1999 || Kitt Peak || Spacewatch || — || align=right | 8.1 km || |-id=625 bgcolor=#d6d6d6 | 91625 || || — || October 6, 1999 || Kitt Peak || Spacewatch || ANF || align=right | 3.5 km || |-id=626 bgcolor=#d6d6d6 | 91626 || || — || October 6, 1999 || Kitt Peak || Spacewatch || — || align=right | 5.1 km || |-id=627 bgcolor=#d6d6d6 | 91627 || || — || October 6, 1999 || Kitt Peak || Spacewatch || — || align=right | 7.9 km || |-id=628 bgcolor=#d6d6d6 | 91628 || || — || October 6, 1999 || Kitt Peak || Spacewatch || ALA || align=right | 8.4 km || |-id=629 bgcolor=#d6d6d6 | 91629 || || — || October 6, 1999 || Kitt Peak || Spacewatch || — || align=right | 3.0 km || |-id=630 bgcolor=#d6d6d6 | 91630 || || — || October 7,