Bologna || San Vittore Obs. || — || align=right | 11 km || |-id=599 bgcolor=#fefefe | 6599 Tsuko || 1988 PV || || August 8, 1988 || Kitami || K. Endate, K. Watanabe || FLO || align=right | 3.4 km || |-id=600 bgcolor=#fefefe | 6600 Qwerty || 1988 QW || || August 17, 1988 || Kleť || A. Mrkos || — || align=right | 3.7 km || |} 6601–6700 |-bgcolor=#fefefe | 6601 Schmeer || || || December 7, 1988 || Kushiro || S. Ueda, H. Kaneda || — || align=right | 6.9 km || |-id=602 bgcolor=#fefefe | 6602 Gilclark || 1989 EC || || March 4, 1989 || Palomar || E. F. Helin || H || align=right | 4.1 km || |-id=603 bgcolor=#E9E9E9 | 6603 Marycragg || || || May 19, 1990 || Palomar || E. F. Helin || — || align=right | 11 km || |-id=604 bgcolor=#E9E9E9 | 6604 Ilias || || || August 16, 1990 || La Silla || E. W. Elst || — || align=right | 12 km || |-id=605 bgcolor=#d6d6d6 | 6605 Carmontelle || || || September 22, 1990 || La Silla || E. W. Elst || KOR || align=right | 7.5 km || |-id=606 bgcolor=#d6d6d6 | 6606 Makino || 1990 UF || || October 16, 1990 || Geisei || T. Seki || HYG || align=right | 14 km || |-id=607 bgcolor=#E9E9E9 | 6607 Matsushima || || || October 29, 1991 || Kitami || K. Endate, K. Watanabe || — || align=right | 7.4 km || |-id=608 bgcolor=#fefefe | 6608 Davidecrespi || || || November 2, 1991 || Palomar || E. F. Helin || — || align=right | 5.6 km || |-id=609 bgcolor=#d6d6d6 | 6609 || 1992 BN || — || January 28, 1992 || Kushiro || S. Ueda, H. Kaneda || EOS || align=right | 14 km || |-id=610 bgcolor=#fefefe | 6610 Burwitz || || || January 28, 1993 || Yakiimo || A. Natori, T. Urata || FLO || align=right | 5.2 km || |-id=611 bgcolor=#FFC2E0 | 6611 || 1993 VW || — || November 9, 1993 || Palomar || E. F. Helin, J. Alu || APO +1km || align=right | 1.4 km || |-id=612 bgcolor=#fefefe | 6612 Hachioji || || || March 10, 1994 || Yatsugatake || Y. Kushida, O. Muramatsu || NYS || align=right | 4.7 km || |-id=613 bgcolor=#d6d6d6 | 6613 Williamcarl || 1994 LK || || June 2, 1994 || Catalina