List of asteroids/91801–91900

|| October 3, 1999 || Catalina || CSS
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91803 - || || October 4, 1999 || Catalina || CSS
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91806 - || || October 8, 1999 || Catalina || CSS
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91809 - || || October 8, 1999 || Socorro || LINEAR
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91812 - || || October 13, 1999 || Socorro || LINEAR
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91815 - || || October 3, 1999 || Socorro || LINEAR
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91818 - || || October 3, 1999 || Socorro || LINEAR
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91821 - || || October 7, 1999 || Socorro || LINEAR
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91824 - || || October 8, 1999 || Socorro || LINEAR
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91827 - || || October 9, 1999 || Socorro || LINEAR
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91830 - || || October 3, 1999 || Catalina || CSS
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91833 - || || October 4, 1999 || Kitt Peak || Spacewatch
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91836 - || || October 8, 1999 || Socorro || LINEAR
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91839 - || || October 10, 1999 || Socorro || LINEAR
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91842 - || || October 19, 1999 || Ondřejov || P. Kušnirák, P. Pravec
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91845 - || || October 29, 1999 || Catalina || CSS
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91848 - || || October 31, 1999 || Ondřejov || L. Šarounová
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91851 - || || October 29, 1999 || Catalina || CSS
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91854 - || || October 29, 1999 || Catalina || CSS
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91857 - || || October 30, 1999 || Kitt Peak || Spacewatch
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91860 - || || October 31, 1999 || Kitt Peak || Spacewatch
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91863 - || || October 28, 1999 || Catalina || CSS
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91866 - || || October 16, 1999 || Kitt Peak || Spacewatch
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91869 - || || October 31, 1999 || Kitt Peak || Spacewatch
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91872 - || || October 29, 1999 || Catalina || CSS
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91875 - || || October 31, 1999 || Catalina || CSS
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91878 - || || October 31, 1999 || Catalina || CSS
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91881 - || || October 31, 1999 || Catalina || CSS
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91884 - || || October 30, 1999 || Catalina || CSS
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91887 - || || October 31, 1999 || Catalina || CSS
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91890 Kiriko Matsuri || || November 1, 1999 || Kitt Peak || Spacewatch
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91893 - || || November 5, 1999 || Oizumi || T. Kobayashi
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91896 - || || November 8, 1999 || Gnosca || S. Sposetti
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91899 - ||