| 11878 Hanamiyama || 1990 HJ || || April 18, 1990 || Geisei || T. Seki || — || align=right | 3.5 km || |-id=879 bgcolor=#E9E9E9 | 11879 || || — || August 22, 1990 || Palomar || H. E. Holt || AST || align=right | 8.2 km || |-id=880 bgcolor=#E9E9E9 | 11880 || || — || August 24, 1990 || Palomar || H. E. Holt || — || align=right | 8.6 km || |-id=881 bgcolor=#E9E9E9 | 11881 Mirstation || || || August 20, 1990 || La Silla || E. W. Elst || EUN || align=right | 4.0 km || |-id=882 bgcolor=#E9E9E9 | 11882 || || — || September 14, 1990 || Palomar || H. E. Holt || HEN || align=right | 3.3 km || |-id=883 bgcolor=#E9E9E9 | 11883 || || — || September 15, 1990 || Palomar || H. E. Holt || PAD || align=right | 9.0 km || |-id=884 bgcolor=#E9E9E9 | 11884 || || — || September 8, 1990 || La Silla || H. Debehogne || EUN || align=right | 7.1 km || |-id=885 bgcolor=#FFC2E0 | 11885 Summanus || 1990 SS || || September 25, 1990 || Kitt Peak || Spacewatch || APO || align=right | 1.3 km || |-id=886 bgcolor=#E9E9E9 | 11886 Kraske || || || October 10, 1990 || Tautenburg Observatory || L. D. Schmadel, F. Börngen || — || align=right | 6.7 km || |-id=887 bgcolor=#C2FFFF | 11887 Echemmon || || || October 14, 1990 || Tautenburg Observatory || F. Börngen, L. D. Schmadel || L5 || align=right | 31 km || |-id=888 bgcolor=#E9E9E9 | 11888 || || — || October 19, 1990 || Dynic || A. Sugie || CLO || align=right | 7.9 km || |-id=889 bgcolor=#E9E9E9 | 11889 || || — || January 7, 1991 || Siding Spring || R. H. McNaught || — || align=right | 10 km || |-id=890 bgcolor=#d6d6d6 | 11890 || 1991 FF || — || March 18, 1991 || Siding Spring || R. H. McNaught || — || align=right | 8.7 km || |-id=891 bgcolor=#fefefe | 11891 || || — || March 20, 1991 || La Silla || H. Debehogne || — || align=right | 3.3 km || |-id=892 bgcolor=#fefefe | 11892 || || — || March 20, 1991 || La Silla || H. Debehogne || — || align=right | 2.8 km || |-id=893 bgcolor=#d6d6d6 | 11893 || || — || March 20, 1991 || La Silla ||