EUN || align=right | 7.0 km || |-id=718 bgcolor=#E9E9E9 | 15718 Imokawa || || || January 30, 1990 || Kushiro || M. Matsuyama, K. Watanabe || — || align=right | 5.5 km || |-id=719 bgcolor=#E9E9E9 | 15719 || 1990 CF || — || February 1, 1990 || Dynic || A. Sugie || EUN || align=right | 6.5 km || |-id=720 bgcolor=#E9E9E9 | 15720 || || — || March 2, 1990 || La Silla || E. W. Elst || — || align=right | 11 km || |-id=721 bgcolor=#fefefe | 15721 || 1990 OV || — || July 19, 1990 || Palomar || E. F. Helin || V || align=right | 2.7 km || |-id=722 bgcolor=#d6d6d6 | 15722 || || — || August 24, 1990 || Palomar || H. E. Holt || EOS || align=right | 7.9 km || |-id=723 bgcolor=#fefefe | 15723 Girraween || || || September 20, 1990 || Geisei || T. Seki || — || align=right | 4.1 km || |-id=724 bgcolor=#fefefe | 15724 Zille || || || October 12, 1990 || Tautenburg Observatory || F. Börngen, L. D. Schmadel || V || align=right | 3.7 km || |-id=725 bgcolor=#d6d6d6 | 15725 || || — || October 9, 1990 || Siding Spring || R. H. McNaught || — || align=right | 12 km || |-id=726 bgcolor=#fefefe | 15726 || || — || October 9, 1990 || Siding Spring || R. H. McNaught || FLO || align=right | 3.2 km || |-id=727 bgcolor=#fefefe | 15727 Ianmorison || || || October 10, 1990 || Tautenburg Observatory || L. D. Schmadel, F. Börngen || FLO || align=right | 2.3 km || |-id=728 bgcolor=#fefefe | 15728 Karlmay || || || October 11, 1990 || Tautenburg Observatory || F. Börngen, L. D. Schmadel || — || align=right | 2.1 km || |-id=729 bgcolor=#fefefe | 15729 Yumikoitahana || 1990 UB || || October 16, 1990 || Kitami || A. Takahashi, K. Watanabe || — || align=right | 6.2 km || |-id=730 bgcolor=#E9E9E9 | 15730 || || — || October 20, 1990 || Dynic || A. Sugie || EUN || align=right | 8.4 km || |-id=731 bgcolor=#d6d6d6 | 15731 || || — || October 16, 1990 || Harvard Observatory || Oak Ridge Observatory || HYG || align=right | 12 km || |-id=732 bgcolor=#d6d6d6 | 15732 Vitusbering || || || November 15, 1990 || La Silla || E. W. Elst || VER || align=right | 15 km