|-id=291 bgcolor=#d6d6d6 | 52291 Mott || || || October 10, 1990 || Tautenburg Observatory || F. Börngen, L. D. Schmadel || — || align=right | 5.0 km || |-id=292 bgcolor=#d6d6d6 | 52292 Kamdzhalov || || || October 10, 1990 || Tautenburg Observatory || L. D. Schmadel, F. Börngen || — || align=right | 5.9 km || |-id=293 bgcolor=#d6d6d6 | 52293 Mommsen || || || October 12, 1990 || Tautenburg Observatory || F. Börngen, L. D. Schmadel || — || align=right | 10 km || |-id=294 bgcolor=#fefefe | 52294 Detlef || || || October 12, 1990 || Tautenburg Observatory || L. D. Schmadel, F. Börngen || NYS || align=right | 2.8 km || |-id=295 bgcolor=#E9E9E9 | 52295 Köppen || || || November 15, 1990 || La Silla || E. W. Elst || — || align=right | 2.0 km || |-id=296 bgcolor=#d6d6d6 | 52296 || || — || November 19, 1990 || La Silla || E. W. Elst || — || align=right | 11 km || |-id=297 bgcolor=#FA8072 | 52297 || || — || February 12, 1991 || Siding Spring || R. H. McNaught || — || align=right | 3.6 km || |-id=298 bgcolor=#E9E9E9 | 52298 || || — || April 8, 1991 || La Silla || E. W. Elst || — || align=right | 4.2 km || |-id=299 bgcolor=#fefefe | 52299 || || — || July 12, 1991 || Palomar || H. E. Holt || FLO || align=right | 1.6 km || |-id=300 bgcolor=#E9E9E9 | 52300 || || — || July 4, 1991 || La Silla || H. Debehogne || — || align=right | 4.8 km || |} 52301–52400 |-bgcolor=#fefefe | 52301 Qumran || || || September 9, 1991 || Tautenburg Observatory || F. Börngen, L. D. Schmadel || — || align=right | 1.6 km || |-id=302 bgcolor=#fefefe | 52302 || || — || September 12, 1991 || Palomar || H. E. Holt || FLO || align=right | 2.6 km || |-id=303 bgcolor=#fefefe | 52303 || || — || September 10, 1991 || Palomar || H. E. Holt || — || align=right | 2.8 km || |-id=304 bgcolor=#fefefe | 52304 || || — || September 12, 1991 || Palomar || H. E. Holt || — || align=right | 3.4 km || |-id=305 bgcolor=#fefefe | 52305 || || — || September 10, 1991 || Palomar || H. E. Holt || V || align=right | 2.4 km || |-id=306 bgcolor=#fefefe | 52306 ||