October 20, 1990 || Dynic || A. Sugie || — || align=right | 3.7 km || |-id=517 bgcolor=#E9E9E9 | 13517 || || — || October 20, 1990 || Siding Spring || R. H. McNaught || EUN || align=right | 3.1 km || |-id=518 bgcolor=#E9E9E9 | 13518 || || — || November 12, 1990 || Kushiro || S. Ueda, H. Kaneda || — || align=right | 4.3 km || |-id=519 bgcolor=#E9E9E9 | 13519 || || — || November 15, 1990 || Dynic || A. Sugie || — || align=right | 5.5 km || |-id=520 bgcolor=#E9E9E9 | 13520 Félicienrops || || || November 15, 1990 || La Silla || E. W. Elst || — || align=right | 7.2 km || |-id=521 bgcolor=#E9E9E9 | 13521 || 1991 BK || — || January 19, 1991 || Okutama || T. Hioki, S. Hayakawa || — || align=right | 7.4 km || |-id=522 bgcolor=#E9E9E9 | 13522 || 1991 FG || — || March 18, 1991 || Siding Spring || R. H. McNaught || — || align=right | 4.2 km || |-id=523 bgcolor=#d6d6d6 | 13523 Vanhassel || || || June 6, 1991 || La Silla || E. W. Elst || — || align=right | 7.1 km || |-id=524 bgcolor=#fefefe | 13524 || 1991 OO || — || July 18, 1991 || Palomar || H. E. Holt || — || align=right | 2.8 km || |-id=525 bgcolor=#d6d6d6 | 13525 Paulledoux || || || August 2, 1991 || La Silla || E. W. Elst || — || align=right | 8.7 km || |-id=526 bgcolor=#fefefe | 13526 Libbrecht || || || August 3, 1991 || La Silla || E. W. Elst || V || align=right | 2.1 km || |-id=527 bgcolor=#fefefe | 13527 || || — || August 7, 1991 || Palomar || H. E. Holt || — || align=right | 3.2 km || |-id=528 bgcolor=#fefefe | 13528 || || — || August 7, 1991 || Palomar || H. E. Holt || PHO || align=right | 3.6 km || |-id=529 bgcolor=#fefefe | 13529 Yokaboshi || || || September 1, 1991 || Geisei || T. Seki || FLO || align=right | 4.0 km || |-id=530 bgcolor=#fefefe | 13530 Ninnemann || || || September 9, 1991 || Tautenburg Observatory || L. D. Schmadel, F. Börngen || V || align=right | 4.8 km || |-id=531 bgcolor=#d6d6d6 | 13531 Weizsäcker || || || September 13, 1991 || Tautenburg Observatory || F. Börngen, L. D.