|| F. Börngen || EOS || align=right | 8.0 km || |-id=672 bgcolor=#E9E9E9 | 24672 || 1989 OJ || — || July 27, 1989 || Siding Spring || R. H. McNaught || — || align=right | 3.6 km || |-id=673 bgcolor=#fefefe | 24673 || || — || September 28, 1989 || Kitami || K. Endate, K. Watanabe || FLO || align=right | 3.9 km || |-id=674 bgcolor=#fefefe | 24674 || || — || September 26, 1989 || La Silla || E. W. Elst || — || align=right | 2.4 km || |-id=675 bgcolor=#E9E9E9 | 24675 || 1989 TZ || — || October 2, 1989 || Palomar || E. F. Helin || — || align=right | 4.7 km || |-id=676 bgcolor=#E9E9E9 | 24676 || || — || October 7, 1989 || La Silla || E. W. Elst || — || align=right | 3.4 km || |-id=677 bgcolor=#E9E9E9 | 24677 || || — || October 7, 1989 || La Silla || E. W. Elst || PAE || align=right | 8.9 km || |-id=678 bgcolor=#E9E9E9 | 24678 || || — || October 2, 1989 || Cerro Tololo || S. J. Bus || EUN || align=right | 5.5 km || |-id=679 bgcolor=#fefefe | 24679 Van Rensbergen || || || November 3, 1989 || La Silla || E. W. Elst || — || align=right | 2.4 km || |-id=680 bgcolor=#fefefe | 24680 Alleven || || || December 30, 1989 || Siding Spring || R. H. McNaught || FLO || align=right | 2.3 km || |-id=681 bgcolor=#fefefe | 24681 Granados || || || December 29, 1989 || Haute Provence || E. W. Elst || — || align=right | 3.3 km || |-id=682 bgcolor=#FA8072 | 24682 || 1990 BH || — || January 22, 1990 || Palomar || E. F. Helin || — || align=right | 2.7 km || |-id=683 bgcolor=#fefefe | 24683 || || — || February 26, 1990 || La Silla || H. Debehogne || PHO || align=right | 3.7 km || |-id=684 bgcolor=#fefefe | 24684 || || — || March 2, 1990 || La Silla || E. W. Elst || FLO || align=right | 2.4 km || |-id=685 bgcolor=#E9E9E9 | 24685 || 1990 FQ || — || March 23, 1990 || Palomar || E. F. Helin || MIT || align=right | 8.6 km || |-id=686 bgcolor=#fefefe | 24686 || 1990 GN || — || April 15, 1990 || La Silla || E. W. Elst