|| align=right | 6.4 km || |-id=285 bgcolor=#d6d6d6 | 33285 || || — || May 1, 1998 || Anderson Mesa || LONEOS || EOS || align=right | 6.6 km || |-id=286 bgcolor=#d6d6d6 | 33286 || 1998 KA || — || May 16, 1998 || Woomera || F. B. Zoltowski || HYG || align=right | 8.4 km || |-id=287 bgcolor=#d6d6d6 | 33287 || || — || May 18, 1998 || Anderson Mesa || LONEOS || — || align=right | 12 km || |-id=288 bgcolor=#d6d6d6 | 33288 Shixian || || || May 22, 1998 || Anderson Mesa || LONEOS || ALA || align=right | 10 km || |-id=289 bgcolor=#d6d6d6 | 33289 || || — || May 18, 1998 || Kitt Peak || Spacewatch || — || align=right | 14 km || |-id=290 bgcolor=#d6d6d6 | 33290 Carloszuluaga || || || May 23, 1998 || Anderson Mesa || LONEOS || URS || align=right | 15 km || |-id=291 bgcolor=#E9E9E9 | 33291 || || — || May 20, 1998 || Xinglong || SCAP || — || align=right | 2.9 km || |-id=292 bgcolor=#d6d6d6 | 33292 || || — || May 27, 1998 || Kitt Peak || Spacewatch || LUT || align=right | 18 km || |-id=293 bgcolor=#d6d6d6 | 33293 || || — || May 22, 1998 || Socorro || LINEAR || EOS || align=right | 5.9 km || |-id=294 bgcolor=#d6d6d6 | 33294 || || — || May 22, 1998 || Socorro || LINEAR || — || align=right | 5.7 km || |-id=295 bgcolor=#d6d6d6 | 33295 || || — || May 22, 1998 || Socorro || LINEAR || slow || align=right | 6.9 km || |-id=296 bgcolor=#d6d6d6 | 33296 || || — || May 27, 1998 || Anderson Mesa || LONEOS || — || align=right | 13 km || |-id=297 bgcolor=#d6d6d6 | 33297 || || — || May 22, 1998 || Socorro || LINEAR || — || align=right | 12 km || |-id=298 bgcolor=#d6d6d6 | 33298 || || — || May 22, 1998 || Socorro || LINEAR || EOS || align=right | 6.8 km || |-id=299 bgcolor=#d6d6d6 | 33299 || || — || May 22, 1998 || Socorro || LINEAR || THM || align=right | 8.4 km || |-id=300 bgcolor=#d6d6d6 | 33300 || || — || May 22, 1998 || Socorro || LINEAR || — || align=right | 10 km || |} 33301–33400 |-bgcolor=#d6d6d6 | 33301 || || — || May 22, 1998 || Socorro ||