CSS || — || align=right | 5.2 km || |-id=323 bgcolor=#d6d6d6 | 53323 || || — || May 15, 1999 || Kitt Peak || Spacewatch || EOS || align=right | 6.3 km || |-id=324 bgcolor=#d6d6d6 | 53324 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 8.7 km || |-id=325 bgcolor=#d6d6d6 | 53325 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 8.8 km || |-id=326 bgcolor=#d6d6d6 | 53326 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 6.4 km || |-id=327 bgcolor=#E9E9E9 | 53327 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 7.4 km || |-id=328 bgcolor=#E9E9E9 | 53328 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 3.7 km || |-id=329 bgcolor=#d6d6d6 | 53329 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 3.4 km || |-id=330 bgcolor=#d6d6d6 | 53330 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 7.3 km || |-id=331 bgcolor=#d6d6d6 | 53331 || || — || May 10, 1999 || Socorro || LINEAR || EOS || align=right | 8.7 km || |-id=332 bgcolor=#E9E9E9 | 53332 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 5.0 km || |-id=333 bgcolor=#d6d6d6 | 53333 || || — || May 10, 1999 || Socorro || LINEAR || EOS || align=right | 5.5 km || |-id=334 bgcolor=#d6d6d6 | 53334 || || — || May 13, 1999 || Socorro || LINEAR || EOS || align=right | 4.4 km || |-id=335 bgcolor=#d6d6d6 | 53335 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 5.8 km || |-id=336 bgcolor=#d6d6d6 | 53336 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 13 km || |-id=337 bgcolor=#E9E9E9 | 53337 || || — || May 10, 1999 || Socorro || LINEAR || slow || align=right | 8.9 km || |-id=338 bgcolor=#d6d6d6 | 53338 || || — || May 10, 1999 || Socorro || LINEAR || — || align=right | 7.9 km || |-id=339 bgcolor=#d6d6d6 | 53339 || || — || May 10, 1999 || Socorro || LINEAR || KOR || align=right | 5.4 km