7.4 km || |-id=315 bgcolor=#d6d6d6 | 31315 || || — || March 20, 1998 || Socorro || LINEAR || — || align=right | 14 km || |-id=316 bgcolor=#d6d6d6 | 31316 || || — || April 2, 1998 || Socorro || LINEAR || — || align=right | 13 km || |-id=317 bgcolor=#d6d6d6 | 31317 || || — || April 2, 1998 || Socorro || LINEAR || — || align=right | 6.2 km || |-id=318 bgcolor=#FA8072 | 31318 || || — || April 4, 1998 || Fair Oaks Ranch || J. V. McClusky || — || align=right | 2.4 km || |-id=319 bgcolor=#d6d6d6 | 31319 Vespucci || || || April 20, 1998 || Colleverde || V. S. Casulli || URS || align=right | 13 km || |-id=320 bgcolor=#FA8072 | 31320 || || — || April 21, 1998 || Socorro || LINEAR || H || align=right | 2.6 km || |-id=321 bgcolor=#d6d6d6 | 31321 || || — || April 21, 1998 || Kleť || Kleť Obs. || HYG || align=right | 8.3 km || |-id=322 bgcolor=#d6d6d6 | 31322 || || — || April 17, 1998 || Kitt Peak || Spacewatch || THM || align=right | 8.3 km || |-id=323 bgcolor=#E9E9E9 | 31323 Lysá hora || || || April 27, 1998 || Ondřejov || P. Pravec || — || align=right | 5.5 km || |-id=324 bgcolor=#d6d6d6 | 31324 Jiřímrázek || || || April 27, 1998 || Ondřejov || L. Kotková || — || align=right | 6.0 km || |-id=325 bgcolor=#d6d6d6 | 31325 || || — || April 20, 1998 || Socorro || LINEAR || — || align=right | 9.5 km || |-id=326 bgcolor=#d6d6d6 | 31326 || || — || April 20, 1998 || Socorro || LINEAR || EOS || align=right | 5.8 km || |-id=327 bgcolor=#d6d6d6 | 31327 || || — || April 20, 1998 || Socorro || LINEAR || — || align=right | 7.1 km || |-id=328 bgcolor=#d6d6d6 | 31328 || || — || April 20, 1998 || Socorro || LINEAR || HYG || align=right | 7.5 km || |-id=329 bgcolor=#d6d6d6 | 31329 || || — || April 21, 1998 || Socorro || LINEAR || — || align=right | 11 km || |-id=330 bgcolor=#d6d6d6 | 31330 || || — || April 21, 1998 || Socorro || LINEAR || — || align=right | 11 km || |-id=331 bgcolor=#d6d6d6 | 31331 || || — || April 21, 1998 || Socorro || LINEAR || EOS ||