| 6.9 km || |-id=493 bgcolor=#d6d6d6 | 16493 || || — || September 22, 1990 || La Silla || E. W. Elst || KOR || align=right | 4.6 km || |-id=494 bgcolor=#d6d6d6 | 16494 Oka || || || September 22, 1990 || La Silla || E. W. Elst || EOS || align=right | 8.8 km || |-id=495 bgcolor=#fefefe | 16495 || || — || September 22, 1990 || La Silla || E. W. Elst || — || align=right | 2.1 km || |-id=496 bgcolor=#d6d6d6 | 16496 || || — || September 22, 1990 || La Silla || E. W. Elst || EOS || align=right | 6.3 km || |-id=497 bgcolor=#fefefe | 16497 Toinevermeylen || || || September 22, 1990 || La Silla || E. W. Elst || FLO || align=right | 3.3 km || |-id=498 bgcolor=#E9E9E9 | 16498 Passau || || || September 22, 1990 || La Silla || E. W. Elst || WAT || align=right | 6.6 km || |-id=499 bgcolor=#fefefe | 16499 || || — || September 22, 1990 || La Silla || E. W. Elst || FLO || align=right | 3.3 km || |-id=500 bgcolor=#fefefe | 16500 || || — || September 16, 1990 || Palomar || H. E. Holt || — || align=right | 5.3 km || |} 16501–16600 |-bgcolor=#fefefe | 16501 || || — || September 23, 1990 || La Silla || H. Debehogne || — || align=right | 2.1 km || |-id=502 bgcolor=#d6d6d6 | 16502 || || — || September 23, 1990 || La Silla || H. Debehogne || — || align=right | 5.1 km || |-id=503 bgcolor=#fefefe | 16503 Ayato || 1990 TY || || October 15, 1990 || Geisei || T. Seki || PHO || align=right | 3.8 km || |-id=504 bgcolor=#fefefe | 16504 || || — || October 9, 1990 || Siding Spring || R. H. McNaught || — || align=right | 2.9 km || |-id=505 bgcolor=#d6d6d6 | 16505 Sulzer || || || October 12, 1990 || Tautenburg Observatory || F. Börngen, L. D. Schmadel || EOS || align=right | 7.7 km || |-id=506 bgcolor=#fefefe | 16506 || || — || October 20, 1990 || Siding Spring || R. H. McNaught || — || align=right | 8.1 km || |-id=507 bgcolor=#d6d6d6 | 16507 Fuuren || || || October 24, 1990 || Kitami || K. Endate, K. Watanabe || EOS || align=right | 8.7 km || |-id=508 bgcolor=#fefefe | 16508 || ||