List of minor planets: 20001–21000

20001–20100

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| 20001 || 1991 CM || — || February 5, 1991 || Yorii || M. Arai, H. Mori || — || align=right | 23 km || |-id=002 bgcolor=#d6d6d6 | 20002 Tillysmith || 1991 EM || || March 10, 1991 || Siding Spring || R. H. McNaught || — || align=right | 12 km || |-id=003 bgcolor=#fefefe | 20003 || || — || March 11, 1991 || La Silla || H. Debehogne || — || align=right | 3.4 km || |-id=004 bgcolor=#fefefe | 20004 Audrey-Lucienne || || || April 8, 1991 || La Silla || E. W. Elst || — || align=right | 4.0 km || |-id=005 bgcolor=#fefefe | 20005 || || — || April 8, 1991 || La Silla || E. W. Elst || — || align=right | 2.3 km || |-id=006 bgcolor=#d6d6d6 | 20006 Albertus Magnus || || || April 11, 1991 || Tautenburg Observatory || F. Börngen || — || align=right | 9.1 km || |-id=007 bgcolor=#fefefe | 20007 Marybrown || 1991 LR || || June 7, 1991 || Palomar || C. S. Shoemaker, E. M. Shoemaker || — || align=right | 7.1 km || |-id=008 bgcolor=#E9E9E9 | 20008 || || — || July 4, 1991 || La Silla || H. Debehogne || EUN || align=right | 5.6 km || |-id=009 bgcolor=#E9E9E9 | 20009 || 1991 OY || — || July 18, 1991 || Palomar || H. E. Holt || RAF || align=right | 3.7 km || |-id=010 bgcolor=#fefefe | 20010 || || — || August 2, 1991 || La Silla || E. W. Elst || NYS || align=right | 2.3 km || |-id=011 bgcolor=#E9E9E9 | 20011 || || — || August 5, 1991 || Palomar || H. E. Holt || — || align=right | 2.6 km || |-id=012 bgcolor=#E9E9E9 | 20012 Ranke || || || September 13, 1991 || Tautenburg Observatory || F. Börngen, L. D. Schmadel || — || align=right | 3.0 km || |-id=013 bgcolor=#E9E9E9 | 20013 || || — || September 11, 1991 || Palomar || H. E. Holt || EUN || align=right | 5.0 km || |-id=014 bgcolor=#E9E9E9 | 20014 || || — || September 13, 1991 || Palomar || H. E. Holt || — || align=right | 4.4 km || |-id=015 bgcolor=#E9E9E9 | 20015 || 1991 SR || — || September 30, 1991 || Siding Spring || R. H. McNaught || MAR || align=right | 4.4 km || |-id=016 bgcolor=#E9E9E9 | 20016 Rietschel || || || October 8, 1991 || Tautenburg Observatory || F. Börngen || — || align=right | 3.4 km || |-id=017 bgcolor=#E9E9E9 | 20017 Alixcatherine || || || October 2, 1991 || Palomar || C. P. de Saint-Aignan || — || align=right | 3.3 km || |-id=018 bgcolor=#fefefe | 20018 || || — || October 29, 1991 || Kushiro || S. Ueda, H. Kaneda || FLO || align=right | 4.5 km || |-id=019 bgcolor=#E9E9E9 | 20019 Yukiotanaka || 1991 VN || || November 2, 1991 || Kitami || A. Takahashi, K. Watanabe || — || align=right | 3.3 km || |-id=020 bgcolor=#E9E9E9 | 20020 || 1991 VT || — || November 4, 1991 || Kani || Y. Mizuno, T. Furuta || — || align=right | 6.4 km || |-id=021 bgcolor=#E9E9E9 | 20021 || || — || November 6, 1991 || La Silla || E. W. Elst || MAR || align=right | 5.6 km || |-id=022 bgcolor=#E9E9E9 | 20022 || || — || November 3, 1991 || Kitt Peak || Spacewatch || — || align=right | 2.3 km || |-id=023 bgcolor=#E9E9E9 | 20023 || 1992 AR || — || January 9, 1992 || Palomar || E. F. Helin || — || align=right | 7.2 km || |-id=024 bgcolor=#E9E9E9 | 20024 Mayrémartínez || || || January 30, 1992 || La Silla || E. W. Elst || EUN || align=right | 7.7 km || |-id=025 bgcolor=#d6d6d6 | 20025 || || — || February 29, 1992 || La Silla || UESAC || KOR || align=right | 5.7 km || |-id=026 bgcolor=#d6d6d6 | 20026 || || — || March 6, 1992 || La Silla || UESAC || KOR || align=right | 5.0 km || |-id=027 bgcolor=#d6d6d6 | 20027 || || — || March 1, 1992 || La Silla || UESAC || — || align=right | 7.7 km || |-id=028 bgcolor=#d6d6d6 | 20028 || || — || March 1, 1992 || La Silla || UESAC || — || align=right | 7.4 km || |-id=029 bgcolor=#d6d6d6 | 20029 || || — || March 2, 1992 || La Silla || UESAC || KOR || align=right | 3.5 km || |-id=030 bgcolor=#fefefe | 20030 || || — || March 1, 1992 || La Silla || UESAC || V || align=right | 2.4 km || |-id=031 bgcolor=#fefefe | 20031 || 1992 OO || — || July 27, 1992 || Palomar || E. F. Helin || PHO || align=right | 4.6 km || |-id=032 bgcolor=#fefefe | 20032 || 1992 PU || — || August 8, 1992 || Caussols || E. W. Elst || — || align=right | 2.8 km || |-id=033 bgcolor=#fefefe | 20033 || || — || August 8, 1992 || Caussols || E. W. Elst || — || align=right | 3.7 km || |-id=034 bgcolor=#d6d6d6 | 20034 || || — || August 2, 1992 || Palomar || H. E. Holt || — || align=right | 12 km || |-id=035 bgcolor=#fefefe | 20035 || || — || September 24, 1992 || Kitt Peak || Spacewatch || V || align=right | 2.7 km || |-id=036 bgcolor=#fefefe | 20036 || || — || October 21, 1992 || Kani || Y. Mizuno, T. Furuta || NYS || align=right | 10 km || |-id=037 bgcolor=#FA8072 | 20037 Duke || || || October 20, 1992 || Palomar || C. S. Shoemaker, E. M. Shoemaker || H || align=right | 1.8 km || |-id=038 bgcolor=#d6d6d6 | 20038 Arasaki || || || October 26, 1992 || Kitami || K.