4537 Valgrirasp || || || September 2, 1987 || Nauchnij || L. I. Chernykh || EOS || align=right | 14 km || |-id=538 bgcolor=#fefefe | 4538 Vishyanand || 1988 TP || || October 10, 1988 || Toyota || K. Suzuki || — || align=right | 7.2 km || |-id=539 bgcolor=#E9E9E9 | 4539 Miyagino || || || November 8, 1988 || Ayashi Station || M. Koishikawa || — || align=right | 10 km || |-id=540 bgcolor=#E9E9E9 | 4540 Oriani || || || November 6, 1988 || Bologna || San Vittore Obs. || — || align=right | 15 km || |-id=541 bgcolor=#fefefe | 4541 Mizuno || 1989 AF || || January 1, 1989 || Toyota || K. Suzuki, T. Furuta || moon || align=right | 6.3 km || |-id=542 bgcolor=#d6d6d6 | 4542 Mossotti || 1989 BO || || January 30, 1989 || Bologna || San Vittore Obs. || EOS || align=right | 18 km || |-id=543 bgcolor=#C2FFFF | 4543 Phoinix || || || February 2, 1989 || Palomar || C. S. Shoemaker || L4 || align=right | 64 km || |-id=544 bgcolor=#FFC2E0 | 4544 Xanthus || 1989 FB || || March 31, 1989 || Palomar || H. E. Holt, N. G. Thomas || APO +1km || align=right | 1.3 km || |-id=545 bgcolor=#d6d6d6 | 4545 Primolevi || || || September 28, 1989 || La Silla || H. Debehogne || THM || align=right | 17 km || |-id=546 bgcolor=#fefefe | 4546 Franck || || || March 2, 1990 || La Silla || E. W. Elst || V || align=right | 5.7 km || |-id=547 bgcolor=#E9E9E9 | 4547 Massachusetts || 1990 KP || || May 16, 1990 || JCPM Sapporo || K. Endate, K. Watanabe || — || align=right | 33 km || |-id=548 bgcolor=#fefefe | 4548 Wielen || 2538 P-L || || September 24, 1960 || Palomar || PLS || — || align=right | 5.2 km || |-id=549 bgcolor=#fefefe | 4549 Burkhardt || 1276 T-2 || || September 29, 1973 || Palomar || PLS || NYS || align=right | 3.5 km || |-id=550 bgcolor=#d6d6d6 | 4550 Royclarke || || || April 24, 1977 || Palomar || S. J. Bus || — || align=right | 13 km || |-id=551 bgcolor=#fefefe | 4551 Cochran || 1979 MC || || June 28, 1979 || Anderson Mesa || E. Bowell || — || align=right | 7.6 km || |-id=552 bgcolor=#fefefe | 4552 Nabelek || 1980 JC ||