LIST OF ASTEROIDS/91801–91900

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| 91801 - || || October 3, 1999 || Catalina || CSS
|-
| 91802 - || || October 3, 1999 || Catalina || CSS
|-
| 91803 - || || October 3, 1999 || Catalina || CSS
|-
| 91804 - || || October 4, 1999 || Kitt Peak || Spacewatch
|-
| 91805 - || || October 4, 1999 || Catalina || CSS
|-
| 91806 - || || October 7, 1999 || Catalina || CSS
|-
| 91807 - || || October 7, 1999 || Catalina || CSS
|-
| 91808 - || || October 8, 1999 || Catalina || CSS
|-
| 91809 - || || October 8, 1999 || Catalina || CSS
|-
| 91810 - || || October 9, 1999 || Catalina || CSS
|-
| 91811 - || || October 8, 1999 || Socorro || LINEAR
|-
| 91812 - || || October 9, 1999 || Socorro || LINEAR
|-
| 91813 - || || October 8, 1999 || Socorro || LINEAR
|-
| 91814 - || || October 13, 1999 || Socorro || LINEAR
|-
| 91815 - || || October 3, 1999 || Socorro || LINEAR
|-
| 91816 - || || October 3, 1999 || Socorro || LINEAR
|-
| 91817 - || || October 3, 1999 || Socorro || LINEAR
|-
| 91818 - || || October 3, 1999 || Socorro || LINEAR
|-
| 91819 - || || October 3, 1999 || Socorro || LINEAR
|-
| 91820 - || || October 3, 1999 || Socorro || LINEAR
|-
| 91821 - || || October 6, 1999 || Socorro || LINEAR
|-
| 91822 - || || October 6, 1999 || Socorro || LINEAR
|-
| 91823 - || || October 7, 1999 || Socorro || LINEAR
|-
| 91824 - || || October 8, 1999 || Socorro || LINEAR
|-
| 91825 - || || October 8, 1999 || Socorro || LINEAR
|-
| 91826 - || || October 8, 1999 || Socorro || LINEAR
|-
| 91827 - || || October 9, 1999 || Socorro || LINEAR
|-
| 91828 - || || October 9, 1999 || Socorro || LINEAR
|-
| 91829 - || || October 9, 1999 || Socorro || LINEAR
|-
| 91830 - || || October 2, 1999 || Catalina || CSS
|-
| 91831 - || || October 2, 1999 || Kitt Peak || Spacewatch
|-
| 91832 - || || October 3, 1999 || Catalina || CSS
|-
| 91833 - || || October 6, 1999 || Socorro || LINEAR
|-
| 91834 - || || October 6, 1999 || Kitt Peak || Spacewatch
|-
| 91835 - || || October 4, 1999 || Kitt Peak || Spacewatch
|-
| 91836 - || || October 5, 1999 || Catalina || CSS
|-
| 91837 - || || October 5, 1999 || Catalina || CSS
|-
| 91838 - || || October 8, 1999 || Socorro || LINEAR
|-
| 91839 - || || October 8, 1999 || Catalina || CSS
|-
| 91840 - || || October 12, 1999 || Kitt Peak || Spacewatch
|-
| 91841 - || || October 10, 1999 || Socorro || LINEAR
|-
| 91842 - || || October 2, 1999 || Socorro || LINEAR
|-
| 91843 - || || October 16, 1999 || Višnjan Observatory || K. Korlević
|-
| 91844 - || || October 19, 1999 || Ondřejov || P. Kušnirák, P. Pravec
|-
| 91845 - || || October 19, 1999 || Ondřejov || P. Kušnirák, P. Pravec
|-
| 91846 - || || October 31, 1999 || Prescott || P. G. Comba
|-
| 91847 - || || October 29, 1999 || Catalina || CSS
|-
| 91848 - || || October 28, 1999 || Xinglong || BAO Schmidt CCD Asteroid Program
|-
| 91849 - || || October 28, 1999 || Xinglong || BAO Schmidt CCD Asteroid Program
|-
| 91850 - || || October 31, 1999 || Ondřejov || L. Šarounová
|-
| 91851 - || || October 29, 1999 || Catalina || CSS
|-
| 91852 - || || October 29, 1999 || Catalina || CSS
|-
| 91853 - || || October 29, 1999 || Catalina || CSS
|-
| 91854 - || || October 29, 1999 || Catalina || CSS
|-
| 91855 - || || October 31, 1999 || Socorro || LINEAR
|-
| 91856 - || || October 29, 1999 || Catalina || CSS
|-
| 91857 - || || October 29, 1999 || Catalina || CSS
|-
| 91858 - || || October 29, 1999 || Catalina || CSS
|-
| 91859 - || || October 30, 1999 || Kitt Peak || Spacewatch
|-
| 91860 - || || October 30, 1999 || Kitt Peak || Spacewatch
|-
| 91861 - || || October 30, 1999 || Kitt Peak || Spacewatch
|-
| 91862 - || || October 31, 1999 || Kitt Peak || Spacewatch
|-
| 91863 - || || October 28, 1999 || Catalina || CSS
|-
| 91864 - || || October 28, 1999 || Catalina || CSS
|-
| 91865 - || || October 28, 1999 || Catalina || CSS
|-
| 91866 - || || October 30, 1999 || Kitt Peak || Spacewatch
|-
| 91867 - || || October 31, 1999 || Kitt Peak || Spacewatch
|-
| 91868 - || || October 16, 1999 || Kitt Peak || Spacewatch
|-
| 91869 - || || October 29, 1999 || Anderson Mesa || LONEOS
|-
| 91870 - || || October 29, 1999 || Anderson Mesa || LONEOS
|-
| 91871 - || || October 31, 1999 || Kitt Peak || Spacewatch
|-
| 91872 - || || October 18, 1999 || Kitt Peak || Spacewatch
|-
| 91873 - || || October 28, 1999 || Catalina || CSS
|-
| 91874 - || || October 29, 1999 || Catalina || CSS
|-
| 91875 - || || October 29, 1999 || Catalina || CSS
|-
| 91876 - || || October 30, 1999 || Anderson Mesa || LONEOS
|-
| 91877 - || || October 31, 1999 || Catalina || CSS
|-
| 91878 - || || October 31, 1999 || Catalina || CSS
|-
| 91879 - || || October 31, 1999 || Catalina || CSS
|-
| 91880 - || || October 31, 1999 || Catalina || CSS
|-
| 91881 - || || October 31, 1999 || Anderson Mesa || LONEOS
|-
| 91882 - || || October 31, 1999 || Catalina || CSS
|-
| 91883 - || || October 31, 1999 || Catalina || CSS
|-
| 91884 - || || October 31, 1999 || Catalina || CSS
|-
| 91885 - || || October 31, 1999 || Catalina || CSS
|-
| 91886 - || || October 30, 1999 || Catalina || CSS
|-
| 91887 - || || October 30, 1999 || Kitt Peak || Spacewatch
|-
| 91888 - || || October 31, 1999 || Catalina || CSS
|-
| 91889 - || || October 31, 1999 || Catalina || CSS
|-
| 91890 Kiriko Matsuri || || November 4, 1999 || Yanagida || A. Tsuchikawa
|-
| 91891 - || || November 5, 1999 || Oizumi || T. Kobayashi
|-
| 91892 - || || November 1, 1999 || Kitt Peak || Spacewatch
|-
| 91893 - || || November 1, 1999 || Catalina || CSS
|-
| 91894 - || || November 6, 1999 || High Point || D. K. Chesney
|-
| 91895 - || || November 5, 1999 || Oizumi || T. Kobayashi
|-
| 91896 - || || November 9, 1999 || Fountain Hills || C. W. Juels
|-
| 91897 - || || November 9, 1999 || Fountain Hills || C. W. Juels
|-
| 91898 - || || November 8, 1999 || Gnosca || S. Sposetti
|-
| 91899 - || || November 7, 1999 || Reedy Creek || J. Broughton
|-
| 91900 - || || November 5, 1999 || San Marcello || L. Tesi, M. Tombelli
|-