|| — || October 2, 1999 || Catalina || CSS || — || align=right | 2.1 km || |-id=677 bgcolor=#fefefe | 49677 || || — || October 4, 1999 || Prescott || P. G. Comba || — || align=right | 1.4 km || |-id=678 bgcolor=#fefefe | 49678 || || — || October 2, 1999 || Socorro || LINEAR || H || align=right | 1.1 km || |-id=679 bgcolor=#fefefe | 49679 || || — || October 6, 1999 || Črni Vrh || Črni Vrh || — || align=right | 2.6 km || |-id=680 bgcolor=#fefefe | 49680 || || — || October 7, 1999 || Višnjan Observatory || K. Korlević, M. Jurić || V || align=right | 2.0 km || |-id=681 bgcolor=#E9E9E9 | 49681 || || — || October 3, 1999 || Socorro || LINEAR || — || align=right | 11 km || |-id=682 bgcolor=#fefefe | 49682 || || — || October 4, 1999 || Socorro || LINEAR || — || align=right | 1.5 km || |-id=683 bgcolor=#fefefe | 49683 || || — || October 9, 1999 || Kitt Peak || Spacewatch || — || align=right | 4.1 km || |-id=684 bgcolor=#fefefe | 49684 || || — || October 6, 1999 || Socorro || LINEAR || FLO || align=right | 1.6 km || |-id=685 bgcolor=#fefefe | 49685 || || — || October 7, 1999 || Socorro || LINEAR || — || align=right | 1.7 km || |-id=686 bgcolor=#fefefe | 49686 || || — || October 7, 1999 || Socorro || LINEAR || — || align=right | 1.8 km || |-id=687 bgcolor=#fefefe | 49687 || || — || October 10, 1999 || Socorro || LINEAR || — || align=right | 1.7 km || |-id=688 bgcolor=#fefefe | 49688 || || — || October 12, 1999 || Socorro || LINEAR || — || align=right | 2.6 km || |-id=689 bgcolor=#fefefe | 49689 || || — || October 12, 1999 || Socorro || LINEAR || FLO || align=right | 2.4 km || |-id=690 bgcolor=#fefefe | 49690 || || — || October 15, 1999 || Socorro || LINEAR || — || align=right | 2.1 km || |-id=691 bgcolor=#fefefe | 49691 || || — || October 3, 1999 || Catalina || CSS || FLO || align=right | 1.7 km || |-id=692 bgcolor=#fefefe | 49692 || || — || October 29, 1999 || Kitt Peak || Spacewatch || — || align=right | 3.1 km || |-id=693 bgcolor=#fefefe | 49693