|| || April 3, 1991 || Geisei || T. Seki || — || align=right | 5.8 km || |-id=400 bgcolor=#d6d6d6 | 6400 Georgealexander || || || April 10, 1991 || Palomar || E. F. Helin || — || align=right | 12 km || |} 6401–6500 |-bgcolor=#E9E9E9 | 6401 Roentgen || || || April 15, 1991 || Palomar || C. S. Shoemaker, E. M. Shoemaker, D. H. Levy || EUN || align=right | 7.9 km || |-id=402 bgcolor=#E9E9E9 | 6402 Holstein || || || April 9, 1991 || Tautenburg Observatory || F. Börngen || — || align=right | 8.6 km || |-id=403 bgcolor=#E9E9E9 | 6403 Steverin || 1991 NU || || July 8, 1991 || Palomar || E. F. Helin || MAR || align=right | 6.9 km || |-id=404 bgcolor=#d6d6d6 | 6404 Vanavara || || || August 6, 1991 || La Silla || E. W. Elst || — || align=right | 17 km || |-id=405 bgcolor=#fefefe | 6405 Komiyama || 1992 HJ || || April 30, 1992 || Yatsugatake || Y. Kushida, O. Muramatsu || FLO || align=right | 6.5 km || |-id=406 bgcolor=#fefefe | 6406 Mikejura || 1992 MJ || || June 28, 1992 || Palomar || H. E. Holt || — || align=right | 4.1 km || |-id=407 bgcolor=#fefefe | 6407 || || — || August 2, 1992 || Palomar || H. E. Holt || FLO || align=right | 4.4 km || |-id=408 bgcolor=#d6d6d6 | 6408 Saijo || || || October 28, 1992 || Kitami || K. Endate, K. Watanabe || KOR || align=right | 11 km || |-id=409 bgcolor=#E9E9E9 | 6409 || 1992 VC || — || November 2, 1992 || Uenohara || N. Kawasato || EUN || align=right | 7.3 km || |-id=410 bgcolor=#E9E9E9 | 6410 Fujiwara || || || November 29, 1992 || Kiyosato || S. Otomo || DOR || align=right | 15 km || |-id=411 bgcolor=#FA8072 | 6411 Tamaga || 1993 TA || || October 8, 1993 || Siding Spring || R. H. McNaught || — || align=right | 13 km || |-id=412 bgcolor=#fefefe | 6412 Kaifu || || || October 15, 1993 || Kitami || K. Endate, K. Watanabe || V || align=right | 4.2 km || |-id=413 bgcolor=#fefefe | 6413 Iye || || || October 15, 1993 || Kitami || K. Endate, K. Watanabe || FLO || align=right | 5.3 km || |-id=414 bgcolor=#fefefe | 6414 Mizunuma || 1993 UX || || October