List of asteroids/51401–51500

|| February 20, 2001 || Kitt Peak || Spacewatch
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51403 - || || February 23, 2001 || Kitt Peak || Spacewatch
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51406 Massimocalvani || || March 2, 2001 || Anderson Mesa || LONEOS
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51409 - || || March 2, 2001 || Anderson Mesa || LONEOS
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51412 - || || March 3, 2001 || Socorro || LINEAR
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51415 Tovinder || || March 15, 2001 || Socorro || LINEAR
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51418 - || || March 15, 2001 || Anderson Mesa || LONEOS
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51421 - || || March 16, 2001 || Socorro || LINEAR
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51426 - || || March 18, 2001 || Socorro || LINEAR
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51429 - || || March 19, 2001 || Cordell-Lorenz || D. T. Durig
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51432 - || || March 19, 2001 || Anderson Mesa || LONEOS
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51435 - || || March 21, 2001 || Anderson Mesa || LONEOS
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51438 - || || March 17, 2001 || Socorro || LINEAR
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51441 - || || March 18, 2001 || Socorro || LINEAR
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51444 - || || March 19, 2001 || Socorro || LINEAR
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51447 - || || March 19, 2001 || Socorro || LINEAR
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51450 - || || March 18, 2001 || Socorro || LINEAR
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51453 - || || March 18, 2001 || Socorro || LINEAR
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51456 - || || March 18, 2001 || Socorro || LINEAR
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51459 - || || March 18, 2001 || Socorro || LINEAR
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51462 - || || March 18, 2001 || Socorro || LINEAR
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51465 - || || March 18, 2001 || Socorro || LINEAR
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51468 - || || March 18, 2001 || Socorro || LINEAR
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51471 - || || March 19, 2001 || Socorro || LINEAR
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51474 - || || March 21, 2001 || Socorro || LINEAR
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51477 - || || March 19, 2001 || Socorro || LINEAR
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51480 - || || March 19, 2001 || Socorro || LINEAR
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51483 - || || March 19, 2001 || Socorro || LINEAR
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51486 - || || March 19, 2001 || Socorro || LINEAR
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51489 - || || March 19, 2001 || Socorro || LINEAR
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51492 - || || March 19, 2001 || Socorro || LINEAR
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51495 - || || March 21, 2001 || Socorro || LINEAR
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51498 - || || March 24, 2001 || Socorro || LINEAR
-List of asteroids/Helper|514