km || |-id=247 bgcolor=#d6d6d6 | 31247 || || — || February 22, 1998 || Haleakala || NEAT || — || align=right | 9.8 km || |-id=248 bgcolor=#d6d6d6 | 31248 || || — || February 24, 1998 || Haleakala || NEAT || — || align=right | 7.2 km || |-id=249 bgcolor=#d6d6d6 | 31249 Renéefleming || || || February 27, 1998 || Caussols || ODAS || 2:1J || align=right | 7.0 km || |-id=250 bgcolor=#d6d6d6 | 31250 || || — || February 22, 1998 || Haleakala || NEAT || — || align=right | 7.9 km || |-id=251 bgcolor=#d6d6d6 | 31251 || || — || February 22, 1998 || Haleakala || NEAT || — || align=right | 9.8 km || |-id=252 bgcolor=#d6d6d6 | 31252 || || — || February 22, 1998 || Haleakala || NEAT || ALA || align=right | 10 km || |-id=253 bgcolor=#d6d6d6 | 31253 || || — || February 22, 1998 || Kitt Peak || Spacewatch || — || align=right | 4.1 km || |-id=254 bgcolor=#E9E9E9 | 31254 || || — || February 27, 1998 || Sormano || M. Cavagna, P. Chiavenna || — || align=right | 12 km || |-id=255 bgcolor=#d6d6d6 | 31255 || || — || February 27, 1998 || Bédoin || P. Antonini || HYG || align=right | 8.4 km || |-id=256 bgcolor=#E9E9E9 | 31256 || || — || February 22, 1998 || Xinglong || SCAP || — || align=right | 4.9 km || |-id=257 bgcolor=#d6d6d6 | 31257 || || — || February 27, 1998 || La Silla || E. W. Elst || EOS || align=right | 5.8 km || |-id=258 bgcolor=#d6d6d6 | 31258 || 1998 EE || — || March 1, 1998 || Oizumi || T. Kobayashi || EOS || align=right | 8.6 km || |-id=259 bgcolor=#E9E9E9 | 31259 || || — || March 1, 1998 || Xinglong || SCAP || — || align=right | 7.9 km || |-id=260 bgcolor=#E9E9E9 | 31260 || || — || March 2, 1998 || Nachi-Katsuura || Y. Shimizu, T. Urata || — || align=right | 6.1 km || |-id=261 bgcolor=#E9E9E9 | 31261 || || — || March 2, 1998 || Xinglong || SCAP || DOR || align=right | 8.6 km || |-id=262 bgcolor=#E9E9E9 | 31262 || || — || March 5, 1998 || Xinglong || SCAP || MRX || align=right | 3.7 km || |-id=263 bgcolor=#fefefe | 31263 || || — || March 8, 1998 || Xinglong || SCAP ||