| 40306 || || — || May 13, 1999 || Socorro || LINEAR || — || align=right | 2.3 km || |-id=307 bgcolor=#fefefe | 40307 || || — || May 13, 1999 || Socorro || LINEAR || NYS || align=right | 1.4 km || |-id=308 bgcolor=#fefefe | 40308 || || — || May 13, 1999 || Socorro || LINEAR || V || align=right | 2.2 km || |-id=309 bgcolor=#fefefe | 40309 || || — || May 13, 1999 || Socorro || LINEAR || — || align=right | 1.6 km || |-id=310 bgcolor=#FA8072 | 40310 || || — || May 18, 1999 || Socorro || LINEAR || — || align=right | 2.7 km || |-id=311 bgcolor=#fefefe | 40311 || || — || May 18, 1999 || Socorro || LINEAR || — || align=right | 2.8 km || |-id=312 bgcolor=#fefefe | 40312 || || — || May 18, 1999 || Socorro || LINEAR || — || align=right | 1.9 km || |-id=313 bgcolor=#fefefe | 40313 || || — || May 18, 1999 || Socorro || LINEAR || — || align=right | 2.4 km || |-id=314 bgcolor=#C2E0FF | 40314 || || — || May 16, 1999 || La Silla || A. C. Delsanti, O. R. Hainaut || SDOcritical || align=right | 321 km || |-id=315 bgcolor=#FA8072 | 40315 || 1999 LS || — || June 4, 1999 || Socorro || LINEAR || — || align=right | 1.3 km || |-id=316 bgcolor=#fefefe | 40316 || || — || June 7, 1999 || Socorro || LINEAR || PHO || align=right | 8.8 km || |-id=317 bgcolor=#fefefe | 40317 || || — || June 9, 1999 || Catalina || CSS || — || align=right | 3.4 km || |-id=318 bgcolor=#E9E9E9 | 40318 || || — || June 8, 1999 || Socorro || LINEAR || EUN || align=right | 3.4 km || |-id=319 bgcolor=#fefefe | 40319 || || — || June 9, 1999 || Socorro || LINEAR || — || align=right | 2.1 km || |-id=320 bgcolor=#fefefe | 40320 || || — || June 9, 1999 || Socorro || LINEAR || — || align=right | 3.2 km || |-id=321 bgcolor=#fefefe | 40321 || || — || June 9, 1999 || Socorro || LINEAR || — || align=right | 2.4 km || |-id=322 bgcolor=#fefefe | 40322 || || — || June 9, 1999 || Socorro || LINEAR || — || align=right | 2.8 km || |-id=323 bgcolor=#fefefe |