List of asteroids/21401–21500

|| March 20, 1998 || Socorro || LINEAR
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21403 Haken || || March 20, 1998 || Socorro || LINEAR
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21406 Jimyang || || March 20, 1998 || Socorro || LINEAR
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21409 Forbes || || March 20, 1998 || Socorro || LINEAR
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21412 Sinchanban || || March 20, 1998 || Socorro || LINEAR
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21415 Nicobrenner || || March 20, 1998 || Socorro || LINEAR
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21418 Bustos || || March 21, 1998 || Bergisch Gladbach || W. Bickel
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21421 Nealwadhwa || || March 24, 1998 || Socorro || LINEAR
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21424 Faithchang || || March 24, 1998 || Socorro || LINEAR
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21427 Ryanharrison || || March 31, 1998 || Socorro || LINEAR
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21430 Brubrew || || March 31, 1998 || Socorro || LINEAR
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21433 Stekramer || || March 31, 1998 || Socorro || LINEAR
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21436 Chaoyichi || || March 20, 1998 || Socorro || LINEAR
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21439 Robenzing || || March 29, 1998 || Socorro || LINEAR
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21442 - || || April 17, 1998 || Kitt Peak || Spacewatch
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21445 Pegconnolly || || April 18, 1998 || Socorro || LINEAR
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21448 Galindo || || April 20, 1998 || Socorro || LINEAR
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21451 Fisher || || April 20, 1998 || Socorro || LINEAR
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21454 Chernoby || || April 20, 1998 || Socorro || LINEAR
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21457 Fevig || || April 30, 1998 || Anderson Mesa || LONEOS
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21460 Ryozo || || April 21, 1998 || Socorro || LINEAR
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21463 Nickerson || || April 21, 1998 || Socorro || LINEAR
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21466 Franpelrine || || April 21, 1998 || Socorro || LINEAR
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21469 Robschum || || April 21, 1998 || Socorro || LINEAR
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21472 Stimson || || April 21, 1998 || Socorro || LINEAR
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21475 Jasonclain || || April 23, 1998 || Socorro || LINEAR
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21478 Maggiedelano || || April 23, 1998 || Socorro || LINEAR
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21481 Johnwarren || || April 19, 1998 || Socorro || LINEAR
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21484 Eppard || || April 25, 1998 || La Silla || E. W. Elst
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21487 - || || May 1, 1998 || Haleakala || NEAT
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21492 - || || May 1, 1998 || Haleakala || NEAT
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21495 Feaga || || May 1, 1998 || Anderson Mesa || LONEOS
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21498 Keenanferar || || May 22, 1998 || Anderson Mesa || LONEOS
-List of asteroids/Helper|214