1989 || Palomar || E. F. Helin || — || align=right | 11 km || |-id=447 bgcolor=#E9E9E9 | 16447 Vauban || 1989 RX || || September 3, 1989 || Haute Provence || E. W. Elst || — || align=right | 13 km || |-id=448 bgcolor=#fefefe | 16448 || || — || September 7, 1989 || Kleť || A. Mrkos || FLO || align=right | 3.0 km || |-id=449 bgcolor=#d6d6d6 | 16449 Kigoyama || 1989 SO || || September 29, 1989 || Kitami || T. Fujii, K. Watanabe || HYG || align=right | 16 km || |-id=450 bgcolor=#d6d6d6 | 16450 Messerschmidt || || || September 26, 1989 || La Silla || E. W. Elst || HYG || align=right | 14 km || |-id=451 bgcolor=#fefefe | 16451 || || — || September 26, 1989 || La Silla || E. W. Elst || — || align=right | 3.0 km || |-id=452 bgcolor=#fefefe | 16452 Goldfinger || || || September 28, 1989 || Palomar || C. S. Shoemaker, E. M. Shoemaker || V || align=right | 4.5 km || |-id=453 bgcolor=#E9E9E9 | 16453 || || — || September 23, 1989 || La Silla || H. Debehogne || EUN || align=right | 5.9 km || |-id=454 bgcolor=#d6d6d6 | 16454 || || — || October 3, 1989 || Cerro Tololo || S. J. Bus || HYG || align=right | 16 km || |-id=455 bgcolor=#fefefe | 16455 || || — || October 4, 1989 || La Silla || H. Debehogne || NYS || align=right | 3.4 km || |-id=456 bgcolor=#fefefe | 16456 || 1989 UO || — || October 23, 1989 || Kani || Y. Mizuno, T. Furuta || NYS || align=right | 3.0 km || |-id=457 bgcolor=#d6d6d6 | 16457 || 1989 VF || — || November 2, 1989 || Kushiro || S. Ueda, H. Kaneda || EOS || align=right | 11 km || |-id=458 bgcolor=#d6d6d6 | 16458 || || — || November 21, 1989 || Gekko || Y. Oshima || — || align=right | 13 km || |-id=459 bgcolor=#fefefe | 16459 Barth || || || November 28, 1989 || Tautenburg Observatory || F. Börngen || NYS || align=right | 3.0 km || |-id=460 bgcolor=#E9E9E9 | 16460 || || — || December 30, 1989 || Siding Spring || R. H. McNaught || — || align=right | 4.1 km || |-id=461 bgcolor=#d6d6d6 | 16461 || 1990 BO || — || January 21, 1990 || Kushiro || S. Ueda,