Mopaku || || || January 23, 1990 || Kavalur || R. Rajamohan || V || align=right | 4.8 km || |-id=447 bgcolor=#fefefe | 17447 Heindl || 1990 HE || || April 25, 1990 || Palomar || E. F. Helin || H || align=right | 3.5 km || |-id=448 bgcolor=#E9E9E9 | 17448 || || — || April 27, 1990 || Siding Spring || R. H. McNaught || — || align=right | 4.2 km || |-id=449 bgcolor=#E9E9E9 | 17449 || || — || July 27, 1990 || Palomar || H. E. Holt || DOR || align=right | 11 km || |-id=450 bgcolor=#d6d6d6 | 17450 || || — || August 23, 1990 || Palomar || H. E. Holt || EOS || align=right | 7.5 km || |-id=451 bgcolor=#fefefe | 17451 || || — || August 16, 1990 || La Silla || E. W. Elst || — || align=right | 2.5 km || |-id=452 bgcolor=#d6d6d6 | 17452 Amurreka || || || August 16, 1990 || La Silla || E. W. Elst || — || align=right | 8.3 km || |-id=453 bgcolor=#fefefe | 17453 || || — || September 14, 1990 || Palomar || H. E. Holt || FLO || align=right | 3.6 km || |-id=454 bgcolor=#fefefe | 17454 || || — || September 22, 1990 || La Silla || E. W. Elst || — || align=right | 2.1 km || |-id=455 bgcolor=#d6d6d6 | 17455 || || — || September 22, 1990 || La Silla || E. W. Elst || KOR || align=right | 4.8 km || |-id=456 bgcolor=#d6d6d6 | 17456 || || — || September 22, 1990 || La Silla || E. W. Elst || KOR || align=right | 5.6 km || |-id=457 bgcolor=#fefefe | 17457 || || — || September 16, 1990 || Palomar || H. E. Holt || — || align=right | 2.3 km || |-id=458 bgcolor=#d6d6d6 | 17458 Dick || || || October 13, 1990 || Tautenburg Observatory || L. D. Schmadel, F. Börngen || — || align=right | 4.5 km || |-id=459 bgcolor=#fefefe | 17459 Andreashofer || || || October 13, 1990 || Tautenburg Observatory || F. Börngen, L. D. Schmadel || FLO || align=right | 4.0 km || |-id=460 bgcolor=#fefefe | 17460 Mang || || || October 10, 1990 || Tautenburg Observatory || L. D. Schmadel, F. Börngen || — || align=right | 2.1 km || |-id=461 bgcolor=#d6d6d6 | 17461 Shigosenger || || || October 20, 1990 || Geisei