LIST OF ASTEROIDS/28401–28500

|-
| 28401 - || || September 9, 1999 || Socorro || LINEAR
|-
| 28402 - || || September 8, 1999 || Socorro || LINEAR
|-
| 28403 - || 1999 TY || October 1, 1999 || Višnjan Observatory || K. Korlević
|-
| 28404 - || || October 1, 1999 || Višnjan Observatory || K. Korlević, M. Jurić
|-
| 28405 - || || October 10, 1999 || Oohira || T. Urata
|-
| 28406 - || || October 2, 1999 || Socorro || LINEAR
|-
| 28407 - || || October 6, 1999 || Socorro || LINEAR
|-
| 28408 - || || October 2, 1999 || Anderson Mesa || LONEOS
|-
| 28409 - || || October 3, 1999 || Kitt Peak || Spacewatch
|-
| 28410 - || || October 8, 1999 || Catalina || CSS
|-
| 28411 - || || October 9, 1999 || Socorro || LINEAR
|-
| 28412 - || || October 29, 1999 || Catalina || CSS
|-
| 28413 - || || October 30, 1999 || Catalina || CSS
|-
| 28414 - || || October 31, 1999 || Catalina || CSS
|-
| 28415 - || || November 3, 1999 || Socorro || LINEAR
|-
| 28416 - || || November 3, 1999 || Socorro || LINEAR
|-
| 28417 - || || November 3, 1999 || Socorro || LINEAR
|-
| 28418 - || || November 4, 1999 || Socorro || LINEAR
|-
| 28419 - || || November 4, 1999 || Socorro || LINEAR
|-
| 28420 - || || November 4, 1999 || Socorro || LINEAR
|-
| 28421 - || || November 6, 1999 || Catalina || CSS
|-
| 28422 - || || November 13, 1999 || Catalina || CSS
|-
| 28423 - || || November 28, 1999 || Oizumi || T. Kobayashi
|-
| 28424 - || 1999 XA || December 1, 1999 || Socorro || LINEAR
|-
| 28425 - || || December 6, 1999 || Socorro || LINEAR
|-
| 28426 - || || December 6, 1999 || Socorro || LINEAR
|-
| 28427 - || || December 7, 1999 || Socorro || LINEAR
|-
| 28428 - || || December 7, 1999 || Socorro || LINEAR
|-
| 28429 - || || December 7, 1999 || Socorro || LINEAR
|-
| 28430 - || || December 7, 1999 || Catalina || CSS
|-
| 28431 - || || December 13, 1999 || Fountain Hills || C. W. Juels
|-
| 28432 - || || December 10, 1999 || Socorro || LINEAR
|-
| 28433 - || || December 10, 1999 || Socorro || LINEAR
|-
| 28434 - || || December 10, 1999 || Socorro || LINEAR
|-
| 28435 - || || December 13, 1999 || Socorro || LINEAR
|-
| 28436 - || || December 7, 1999 || Anderson Mesa || LONEOS
|-
| 28437 - || || December 31, 1999 || Kitt Peak || Spacewatch
|-
| 28438 - || || January 3, 2000 || Socorro || LINEAR
|-
| 28439 - || || January 3, 2000 || Socorro || LINEAR
|-
| 28440 - || || January 3, 2000 || Socorro || LINEAR
|-
| 28441 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28442 - || || January 4, 2000 || Socorro || LINEAR
|-
| 28443 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28444 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28445 - || || January 4, 2000 || Socorro || LINEAR
|-
| 28446 - || || January 4, 2000 || Socorro || LINEAR
|-
| 28447 - || || January 4, 2000 || Socorro || LINEAR
|-
| 28448 - || || January 4, 2000 || Socorro || LINEAR
|-
| 28449 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28450 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28451 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28452 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28453 - || || January 6, 2000 || Socorro || LINEAR
|-
| 28454 - || || January 4, 2000 || Socorro || LINEAR
|-
| 28455 - || || January 4, 2000 || Socorro || LINEAR
|-
| 28456 - || || January 4, 2000 || Socorro || LINEAR
|-
| 28457 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28458 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28459 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28460 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28461 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28462 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28463 - || || January 7, 2000 || Farpoint || Farpoint
|-
| 28464 - || || January 8, 2000 || Socorro || LINEAR
|-
| 28465 - || || January 5, 2000 || Socorro || LINEAR
|-
| 28466 - || || January 7, 2000 || Socorro || LINEAR
|-
| 28467 - || || January 7, 2000 || Socorro || LINEAR
|-
| 28468 - || || January 12, 2000 || Xinglong || Beijing Schmidt CCD Asteroid Program
|-
| 28469 - || || January 29, 2000 || Socorro || LINEAR
|-
| 28470 - || || January 28, 2000 || Kitt Peak || Spacewatch
|-
| 28471 - || || January 27, 2000 || Oizumi || T. Kobayashi
|-
| 28472 - || || January 28, 2000 || Oizumi || T. Kobayashi
|-
| 28473 - || || January 31, 2000 || Oizumi || T. Kobayashi
|-
| 28474 - || || January 30, 2000 || Socorro || LINEAR
|-
| 28475 - || 2000 CU || February 1, 2000 || Catalina || CSS
|-
| 28476 - || || February 2, 2000 || Oizumi || T. Kobayashi
|-
| 28477 - || || February 5, 2000 || Socorro || LINEAR
|-
| 28478 - || || February 2, 2000 || Socorro || LINEAR
|-
| 28479 - || || February 2, 2000 || Socorro || LINEAR
|-
| 28480 - || || February 2, 2000 || Socorro || LINEAR
|-
| 28481 - || || February 2, 2000 || Socorro || LINEAR
|-
| 28482 - || || February 2, 2000 || Socorro || LINEAR
|-
| 28483 - || || February 4, 2000 || Socorro || LINEAR
|-
| 28484 - || || February 2, 2000 || Socorro || LINEAR
|-
| 28485 - || || February 2, 2000 || Socorro || LINEAR
|-
| 28486 - || || February 2, 2000 || Socorro || LINEAR
|-
| 28487 - || || February 5, 2000 || Socorro || LINEAR
|-
| 28488 - || || February 5, 2000 || Socorro || LINEAR
|-
| 28489 - || || February 5, 2000 || Socorro || LINEAR
|-
| 28490 - || || February 5, 2000 || Socorro || LINEAR
|-
| 28491 - || || February 5, 2000 || Farpoint || Farpoint
|-
| 28492 Marik || || February 1, 2000 || Piszkéstető || JAS, K. Sárneczky, K. Sziládi
|-
| 28493 - || || February 2, 2000 || Socorro || LINEAR
|-
| 28494 - || || February 2, 2000 || Socorro || LINEAR
|-
| 28495 - || || February 2, 2000 || Socorro || LINEAR
|-
| 28496 - || || February 1, 2000 || Kitt Peak || Spacewatch
|-
| 28497 - || || February 1, 2000 || Kitt Peak || Spacewatch
|-
| 28498 - || || February 7, 2000 || Socorro || LINEAR
|-
| 28499 - || || February 4, 2000 || Socorro || LINEAR
|-
| 28500 - || || February 10, 2000 || Višnjan Observatory || K. Korlević
|-