2000 || Kitt Peak || Spacewatch || HYG || align=right | 8.6 km || |-id=415 bgcolor=#fefefe | 50415 || || — || February 24, 2000 || Višnjan Observatory || K. Korlević, M. Jurić || NYS || align=right | 1.8 km || |-id=416 bgcolor=#d6d6d6 | 50416 || || — || February 24, 2000 || Oizumi || T. Kobayashi || TEL || align=right | 4.5 km || |-id=417 bgcolor=#fefefe | 50417 || || — || February 29, 2000 || Oaxaca || J. M. Roe || NYS || align=right | 1.4 km || |-id=418 bgcolor=#E9E9E9 | 50418 || || — || February 29, 2000 || Oizumi || T. Kobayashi || — || align=right | 6.6 km || |-id=419 bgcolor=#d6d6d6 | 50419 || || — || February 29, 2000 || Oizumi || T. Kobayashi || — || align=right | 11 km || |-id=420 bgcolor=#fefefe | 50420 || || — || February 29, 2000 || Oizumi || T. Kobayashi || V || align=right | 2.3 km || |-id=421 bgcolor=#d6d6d6 | 50421 || || — || February 26, 2000 || Kitt Peak || Spacewatch || — || align=right | 6.9 km || |-id=422 bgcolor=#d6d6d6 | 50422 || || — || February 26, 2000 || Kitt Peak || Spacewatch || HYG || align=right | 6.0 km || |-id=423 bgcolor=#fefefe | 50423 || || — || February 27, 2000 || Kitt Peak || Spacewatch || — || align=right | 2.0 km || |-id=424 bgcolor=#E9E9E9 | 50424 || || — || February 28, 2000 || Kitt Peak || Spacewatch || — || align=right | 2.9 km || |-id=425 bgcolor=#fefefe | 50425 || || — || February 28, 2000 || Kitt Peak || Spacewatch || NYS || align=right | 1.2 km || |-id=426 bgcolor=#d6d6d6 | 50426 || || — || February 26, 2000 || Catalina || CSS || — || align=right | 6.1 km || |-id=427 bgcolor=#d6d6d6 | 50427 || || — || February 26, 2000 || Catalina || CSS || EOS || align=right | 5.9 km || |-id=428 bgcolor=#E9E9E9 | 50428 Alexanderdessler || || || February 27, 2000 || Catalina || CSS || — || align=right | 3.5 km || |-id=429 bgcolor=#E9E9E9 | 50429 || || — || February 28, 2000 || Višnjan Observatory || K. Korlević || — || align=right | 4.2 km || |-id=430 bgcolor=#E9E9E9 | 50430 || || — || February 29, 2000 || Višnjan Observatory || K. Korlević || GEF || align=right | 3.8 km