LIST OF ASTEROIDS/40301–40400

|-
| 40301 - || || May 12, 1999 || Socorro || LINEAR
|-
| 40302 - || || May 12, 1999 || Socorro || LINEAR
|-
| 40303 - || || May 12, 1999 || Socorro || LINEAR
|-
| 40304 - || || May 12, 1999 || Socorro || LINEAR
|-
| 40305 - || || May 13, 1999 || Socorro || LINEAR
|-
| 40306 - || || May 13, 1999 || Socorro || LINEAR
|-
| 40307 - || || May 13, 1999 || Socorro || LINEAR
|-
| 40308 - || || May 13, 1999 || Socorro || LINEAR
|-
| 40309 - || || May 13, 1999 || Socorro || LINEAR
|-
| 40310 - || || May 18, 1999 || Socorro || LINEAR
|-
| 40311 - || || May 18, 1999 || Socorro || LINEAR
|-
| 40312 - || || May 18, 1999 || Socorro || LINEAR
|-
| 40313 - || || May 18, 1999 || Socorro || LINEAR
|-
| 40314 - || || May 16, 1999 || La Silla || A. C. Delsanti, O. R. Hainaut
|-
| 40315 - || 1999 LS || June 4, 1999 || Socorro || LINEAR
|-
| 40316 - || || June 7, 1999 || Socorro || LINEAR
|-
| 40317 - || || June 9, 1999 || Catalina || CSS
|-
| 40318 - || || June 8, 1999 || Socorro || LINEAR
|-
| 40319 - || || June 9, 1999 || Socorro || LINEAR
|-
| 40320 - || || June 9, 1999 || Socorro || LINEAR
|-
| 40321 - || || June 9, 1999 || Socorro || LINEAR
|-
| 40322 - || || June 9, 1999 || Socorro || LINEAR
|-
| 40323 - || || June 9, 1999 || Socorro || LINEAR
|-
| 40324 - || || June 12, 1999 || Kitt Peak || Spacewatch
|-
| 40325 - || || June 11, 1999 || Catalina || CSS
|-
| 40326 - || 1999 MA || June 18, 1999 || Prescott || P. G. Comba
|-
| 40327 - || 1999 MB || June 17, 1999 || Reedy Creek || J. Broughton
|-
| 40328 Dow || 1999 MK || June 20, 1999 || Junk Bond || D. Healy
|-
| 40329 - || 1999 ML || June 20, 1999 || Catalina || CSS
|-
| 40330 - || || June 20, 1999 || Anderson Mesa || LONEOS
|-
| 40331 - || || June 17, 1999 || Farpoint || G. Hug, G. Bell
|-
| 40332 - || 1999 NK || July 6, 1999 || Reedy Creek || J. Broughton
|-
| 40333 - || || July 12, 1999 || Socorro || LINEAR
|-
| 40334 - || || July 11, 1999 || Višnjan Observatory || K. Korlević
|-
| 40335 - || || July 15, 1999 || Višnjan Observatory || K. Korlević
|-
| 40336 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40337 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40338 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40339 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40340 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40341 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40342 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40343 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40344 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40345 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40346 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40347 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40348 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40349 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40350 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40351 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40352 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40353 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40354 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40355 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40356 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40357 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40358 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40359 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40360 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40361 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40362 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40363 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40364 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40365 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40366 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40367 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40368 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40369 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40370 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40371 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40372 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40373 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40374 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40375 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40376 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40377 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40378 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40379 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40380 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40381 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40382 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40383 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40384 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40385 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40386 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40387 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40388 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40389 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40390 - || || July 12, 1999 || Socorro || LINEAR
|-
| 40391 - || || July 12, 1999 || Socorro || LINEAR
|-
| 40392 - || || July 12, 1999 || Socorro || LINEAR
|-
| 40393 - || || July 12, 1999 || Socorro || LINEAR
|-
| 40394 - || || July 12, 1999 || Socorro || LINEAR
|-
| 40395 - || || July 12, 1999 || Socorro || LINEAR
|-
| 40396 - || || July 12, 1999 || Socorro || LINEAR
|-
| 40397 - || || July 12, 1999 || Socorro || LINEAR
|-
| 40398 - || || July 13, 1999 || Socorro || LINEAR
|-
| 40399 - || || July 14, 1999 || Socorro || LINEAR
|-
| 40400 - || || July 14, 1999 || Socorro || LINEAR
|-