|| |-id=506 bgcolor=#fefefe | 5506 Artiglio || || || September 24, 1987 || La Silla || H. Debehogne || ERI || align=right | 11 km || |-id=507 bgcolor=#E9E9E9 | 5507 Niijima || 1987 UJ || || October 21, 1987 || Toyota || K. Suzuki, T. Urata || — || align=right | 5.5 km || |-id=508 bgcolor=#d6d6d6 | 5508 Gomyou || 1988 EB || || March 9, 1988 || Oohira || Oohira Stn. || — || align=right | 15 km || |-id=509 bgcolor=#fefefe | 5509 Rennsteig || || || September 8, 1988 || Tautenburg Observatory || F. Börngen || — || align=right | 3.1 km || |-id=510 bgcolor=#FA8072 | 5510 || || — || September 2, 1988 || La Silla || H. Debehogne || — || align=right | 4.3 km || |-id=511 bgcolor=#C2FFFF | 5511 Cloanthus || || || October 8, 1988 || Palomar || C. S. Shoemaker, E. M. Shoemaker || L5slow? || align=right | 40 km || |-id=512 bgcolor=#fefefe | 5512 || || — || November 10, 1988 || Okutama || T. Hioki, N. Kawasato || FLO || align=right | 5.3 km || |-id=513 bgcolor=#fefefe | 5513 Yukio || 1988 WB || || November 27, 1988 || Oohira || W. Kakei, M. Kizawa, T. Urata || — || align=right | 5.3 km || |-id=514 bgcolor=#E9E9E9 | 5514 Karelraška || || || January 29, 1989 || Kleť || Z. Vávrová || — || align=right | 5.2 km || |-id=515 bgcolor=#E9E9E9 | 5515 Naderi || || || March 5, 1989 || Palomar || E. F. Helin || — || align=right | 7.0 km || |-id=516 bgcolor=#E9E9E9 | 5516 Jawilliamson || 1989 JK || || May 2, 1989 || Palomar || E. F. Helin || MIT || align=right | 12 km || |-id=517 bgcolor=#E9E9E9 | 5517 Johnerogers || 1989 LJ || || June 4, 1989 || Palomar || E. F. Helin || EUN || align=right | 6.0 km || |-id=518 bgcolor=#fefefe | 5518 Mariobotta || 1989 YF || || December 30, 1989 || Chions || J. M. Baur || slow || align=right | 7.2 km || |-id=519 bgcolor=#d6d6d6 | 5519 Lellouch || || || August 23, 1990 || Palomar || H. E. Holt || — || align=right | 20 km || |-id=520 bgcolor=#d6d6d6 | 5520 Natori || 1990 RB || || September 12, 1990 || Oohira || T. Urata || EOS || align=right | 12 km || |-id=521 bgcolor=#E9E9E9 | 5521 Morpurgo