April 25, 1998 || Haleakala || NEAT || — || align=right | 11 km || |-id=251 bgcolor=#d6d6d6 | 33251 || || — || April 22, 1998 || Uccle || T. Pauwels || — || align=right | 5.5 km || |-id=252 bgcolor=#d6d6d6 | 33252 || || — || April 22, 1998 || Kitt Peak || Spacewatch || HYG || align=right | 6.5 km || |-id=253 bgcolor=#d6d6d6 | 33253 || || — || April 20, 1998 || Socorro || LINEAR || — || align=right | 10 km || |-id=254 bgcolor=#E9E9E9 | 33254 Sundaresakumar || || || April 20, 1998 || Socorro || LINEAR || HOF || align=right | 7.7 km || |-id=255 bgcolor=#d6d6d6 | 33255 Kathybush || || || April 20, 1998 || Socorro || LINEAR || — || align=right | 7.8 km || |-id=256 bgcolor=#d6d6d6 | 33256 || || — || April 20, 1998 || Socorro || LINEAR || EOS || align=right | 8.8 km || |-id=257 bgcolor=#E9E9E9 | 33257 || || — || April 20, 1998 || Socorro || LINEAR || — || align=right | 9.3 km || |-id=258 bgcolor=#d6d6d6 | 33258 Femariebustos || || || April 20, 1998 || Socorro || LINEAR || — || align=right | 7.1 km || |-id=259 bgcolor=#E9E9E9 | 33259 || || — || April 20, 1998 || Socorro || LINEAR || — || align=right | 10 km || |-id=260 bgcolor=#E9E9E9 | 33260 || || — || April 24, 1998 || Haleakala || NEAT || — || align=right | 7.5 km || |-id=261 bgcolor=#E9E9E9 | 33261 Ginagarlie || || || April 20, 1998 || Socorro || LINEAR || WIT || align=right | 3.2 km || |-id=262 bgcolor=#d6d6d6 | 33262 || || — || April 25, 1998 || Anderson Mesa || LONEOS || — || align=right | 10 km || |-id=263 bgcolor=#d6d6d6 | 33263 Willhutch || || || April 21, 1998 || Socorro || LINEAR || KOR || align=right | 3.6 km || |-id=264 bgcolor=#d6d6d6 | 33264 Maryrogers || || || April 21, 1998 || Socorro || LINEAR || THM || align=right | 7.8 km || |-id=265 bgcolor=#E9E9E9 | 33265 || || — || April 21, 1998 || Socorro || LINEAR || MAR || align=right | 5.3 km || |-id=266 bgcolor=#d6d6d6 | 33266 || || — || April 21, 1998 || Socorro || LINEAR || EOS || align=right | 5.5 km || |-id=267 bgcolor=#d6d6d6 | 33267 || || — || April 21, 1998 || Socorro ||