|| || || August 8, 1999 || Nanyo || T. Okuni || — || align=right | 5.3 km || |-id=841 bgcolor=#E9E9E9 | 18841 Hruška || || || September 6, 1999 || Kleť || J. Tichá, M. Tichý || MAR || align=right | 7.3 km || |-id=842 bgcolor=#E9E9E9 | 18842 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 8.4 km || |-id=843 bgcolor=#d6d6d6 | 18843 Ningzhou || || || September 7, 1999 || Socorro || LINEAR || — || align=right | 7.8 km || |-id=844 bgcolor=#d6d6d6 | 18844 || || — || September 8, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 12 km || |-id=845 bgcolor=#E9E9E9 | 18845 Cichocki || || || September 7, 1999 || Črni Vrh || H. Mikuž || EUN || align=right | 6.7 km || |-id=846 bgcolor=#E9E9E9 | 18846 || || — || September 8, 1999 || Kleť || Kleť Obs. || — || align=right | 5.6 km || |-id=847 bgcolor=#d6d6d6 | 18847 || || — || September 9, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 14 km || |-id=848 bgcolor=#E9E9E9 | 18848 || || — || September 13, 1999 || Socorro || LINEAR || — || align=right | 17 km || |-id=849 bgcolor=#d6d6d6 | 18849 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 9.6 km || |-id=850 bgcolor=#d6d6d6 | 18850 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 13 km || |-id=851 bgcolor=#fefefe | 18851 Winmesser || || || September 7, 1999 || Socorro || LINEAR || ERI || align=right | 7.6 km || |-id=852 bgcolor=#d6d6d6 | 18852 || || — || September 7, 1999 || Socorro || LINEAR || THM || align=right | 12 km || |-id=853 bgcolor=#d6d6d6 | 18853 || || — || September 7, 1999 || Socorro || LINEAR || ANF || align=right | 5.3 km || |-id=854 bgcolor=#d6d6d6 | 18854 || || — || September 8, 1999 || Socorro || LINEAR || — || align=right | 4.9 km || |-id=855 bgcolor=#fefefe | 18855 Sarahgutman || || || September 9, 1999 || Socorro || LINEAR || — || align=right | 3.5 km || |-id=856 bgcolor=#E9E9E9 | 18856 || || — || September 9, 1999 || Socorro || LINEAR || — || align=right | 5.2 km || |-id=857 bgcolor=#fefefe |