S. Ueda, H. Kaneda || — || align=right | 8.5 km || |-id=518 bgcolor=#d6d6d6 | 10518 || 1990 MC || — || June 18, 1990 || Palomar || H. E. Holt || — || align=right | 6.8 km || |-id=519 bgcolor=#fefefe | 10519 || || — || September 15, 1990 || Palomar || H. E. Holt || — || align=right | 3.0 km || |-id=520 bgcolor=#fefefe | 10520 || || — || September 15, 1990 || Palomar || H. E. Holt || — || align=right | 8.7 km || |-id=521 bgcolor=#d6d6d6 | 10521 || || — || September 14, 1990 || La Silla || H. Debehogne || — || align=right | 8.6 km || |-id=522 bgcolor=#fefefe | 10522 || || — || September 18, 1990 || Palomar || H. E. Holt || — || align=right | 4.5 km || |-id=523 bgcolor=#fefefe | 10523 D'Haveloose || || || September 22, 1990 || La Silla || E. W. Elst || — || align=right | 5.3 km || |-id=524 bgcolor=#fefefe | 10524 Maniewski || || || September 22, 1990 || La Silla || E. W. Elst || FLO || align=right | 4.2 km || |-id=525 bgcolor=#fefefe | 10525 || 1990 TO || — || October 12, 1990 || Siding Spring || R. H. McNaught || FLO || align=right | 4.1 km || |-id=526 bgcolor=#fefefe | 10526 Ginkogino || || || October 19, 1990 || Okutama || T. Hioki, S. Hayakawa || FLO || align=right | 3.0 km || |-id=527 bgcolor=#fefefe | 10527 || || — || October 20, 1990 || Dynic || A. Sugie || ERI || align=right | 8.1 km || |-id=528 bgcolor=#fefefe | 10528 || || — || November 12, 1990 || Kushiro || S. Ueda, H. Kaneda || NYS || align=right | 3.8 km || |-id=529 bgcolor=#fefefe | 10529 Giessenburg || || || November 16, 1990 || La Silla || E. W. Elst || — || align=right | 4.2 km || |-id=530 bgcolor=#fefefe | 10530 || 1991 EA || — || March 7, 1991 || Kushiro || S. Ueda, H. Kaneda || V || align=right | 5.1 km || |-id=531 bgcolor=#fefefe | 10531 || || — || April 8, 1991 || Palomar || E. F. Helin || H || align=right | 2.1 km || |-id=532 bgcolor=#E9E9E9 | 10532 || || — || July 14, 1991 || Palomar || H. E. Holt || — || align=right | 8.9 km || |-id=533