|-id=502 bgcolor=#FA8072 | 10502 Armaghobs || || || August 22, 1987 || Palomar || E. F. Helin || — || align=right | 2.6 km || |-id=503 bgcolor=#fefefe | 10503 Johnmarks || || || September 27, 1987 || La Silla || H. Debehogne || FLO || align=right | 4.0 km || |-id=504 bgcolor=#E9E9E9 | 10504 Doga || || || October 22, 1987 || Nauchnij || L. V. Zhuravleva || MRX || align=right | 7.0 km || |-id=505 bgcolor=#d6d6d6 | 10505 Johnnycash || || || January 22, 1988 || La Silla || H. Debehogne || EOS || align=right | 11 km || |-id=506 bgcolor=#d6d6d6 | 10506 Rydberg || || || February 13, 1988 || La Silla || E. W. Elst || — || align=right | 13 km || |-id=507 bgcolor=#fefefe | 10507 || || — || March 13, 1988 || Brorfelde || P. Jensen || V || align=right | 4.6 km || |-id=508 bgcolor=#fefefe | 10508 || || — || September 1, 1988 || La Silla || H. Debehogne || — || align=right | 6.7 km || |-id=509 bgcolor=#d6d6d6 | 10509 Heinrichkayser || || || April 3, 1989 || La Silla || E. W. Elst || — || align=right | 14 km || |-id=510 bgcolor=#fefefe | 10510 Maxschreier || || || April 3, 1989 || La Silla || E. W. Elst || FLO || align=right | 2.7 km || |-id=511 bgcolor=#E9E9E9 | 10511 || 1989 OD || — || July 21, 1989 || Siding Spring || R. H. McNaught || GEF || align=right | 7.9 km || |-id=512 bgcolor=#fefefe | 10512 Yamandu || || || October 2, 1989 || Cerro Tololo || S. J. Bus || — || align=right | 10 km || |-id=513 bgcolor=#d6d6d6 | 10513 || || — || October 2, 1989 || La Silla || H. Debehogne || — || align=right | 18 km || |-id=514 bgcolor=#E9E9E9 | 10514 || || — || October 4, 1989 || La Silla || H. Debehogne || — || align=right | 15 km || |-id=515 bgcolor=#E9E9E9 | 10515 Old Joe || || || October 31, 1989 || Stakenbridge || B. G. W. Manning || — || align=right | 3.4 km || |-id=516 bgcolor=#fefefe | 10516 Sakurajima || 1989 VQ || || November 1, 1989 || Kagoshima || M. Mukai, M. Takeishi || MAS || align=right | 4.0 km || |-id=517 bgcolor=#E9E9E9 | 10517 || || — || January 28, 1990 || Kushiro ||