LIST OF ASTEROIDS/50401–50500

|-
| 50401 - || || February 5, 2000 || Catalina || CSS
|-
| 50402 - || || February 6, 2000 || Catalina || CSS
|-
| 50403 - || || February 15, 2000 || Socorro || LINEAR
|-
| 50404 - || || February 2, 2000 || Catalina || CSS
|-
| 50405 - || || February 2, 2000 || Catalina || CSS
|-
| 50406 - || || February 3, 2000 || Socorro || LINEAR
|-
| 50407 - || || February 3, 2000 || Socorro || LINEAR
|-
| 50408 - || || February 3, 2000 || Socorro || LINEAR
|-
| 50409 - || || February 3, 2000 || Socorro || LINEAR
|-
| 50410 - || || February 4, 2000 || Socorro || LINEAR
|-
| 50411 - || 2000 DS || February 24, 2000 || Oizumi || T. Kobayashi
|-
| 50412 Ewen || || February 26, 2000 || Rock Finder || W. K. Y. Yeung
|-
| 50413 Petrginz || || February 27, 2000 || Kleť || J. Tichá, M. Tichý
|-
| 50414 - || || February 26, 2000 || Kitt Peak || Spacewatch
|-
| 50415 - || || February 24, 2000 || Višnjan Observatory || K. Korlević, M. Jurić
|-
| 50416 - || || February 24, 2000 || Oizumi || T. Kobayashi
|-
| 50417 - || || February 29, 2000 || Oaxaca || J. M. Roe
|-
| 50418 - || || February 29, 2000 || Oizumi || T. Kobayashi
|-
| 50419 - || || February 29, 2000 || Oizumi || T. Kobayashi
|-
| 50420 - || || February 29, 2000 || Oizumi || T. Kobayashi
|-
| 50421 - || || February 26, 2000 || Kitt Peak || Spacewatch
|-
| 50422 - || || February 26, 2000 || Kitt Peak || Spacewatch
|-
| 50423 - || || February 27, 2000 || Kitt Peak || Spacewatch
|-
| 50424 - || || February 28, 2000 || Kitt Peak || Spacewatch
|-
| 50425 - || || February 28, 2000 || Kitt Peak || Spacewatch
|-
| 50426 - || || February 26, 2000 || Catalina || CSS
|-
| 50427 - || || February 26, 2000 || Catalina || CSS
|-
| 50428 - || || February 27, 2000 || Catalina || CSS
|-
| 50429 - || || February 28, 2000 || Višnjan Observatory || K. Korlević
|-
| 50430 - || || February 29, 2000 || Višnjan Observatory || K. Korlević
|-
| 50431 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50432 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50433 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50434 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50435 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50436 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50437 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50438 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50439 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50440 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50441 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50442 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50443 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50444 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50445 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50446 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50447 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50448 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50449 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50450 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50451 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50452 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50453 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50454 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50455 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50456 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50457 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50458 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50459 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50460 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50461 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50462 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50463 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50464 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50465 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50466 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50467 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50468 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50469 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50470 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50471 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50472 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50473 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50474 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50475 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50476 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50477 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50478 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50479 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50480 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50481 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50482 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50483 - || || February 28, 2000 || Socorro || LINEAR
|-
| 50484 - || || February 28, 2000 || Socorro || LINEAR
|-
| 50485 - || || February 28, 2000 || Socorro || LINEAR
|-
| 50486 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50487 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50488 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50489 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50490 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50491 - || || February 27, 2000 || Kitt Peak || Spacewatch
|-
| 50492 - || || February 28, 2000 || Socorro || LINEAR
|-
| 50493 - || || February 28, 2000 || Socorro || LINEAR
|-
| 50494 - || || February 28, 2000 || Socorro || LINEAR
|-
| 50495 - || || February 28, 2000 || Socorro || LINEAR
|-
| 50496 - || || February 28, 2000 || Socorro || LINEAR
|-
| 50497 - || || February 28, 2000 || Socorro || LINEAR
|-
| 50498 - || || February 28, 2000 || Socorro || LINEAR
|-
| 50499 - || || February 29, 2000 || Socorro || LINEAR
|-
| 50500 - || || February 29, 2000 || Socorro || LINEAR
|-