Danh sách tiểu hành tinh/20401–20500
| Tên chính thức | Tên tạm đặt | Ngày tháng | Địa điểm | Khám phá bởi | Đường kính | Chú thích |
|---|---|---|---|---|---|---|
| 20401 | 1998 OX5 | 21/07/1998 | Socorro | LINEAR | 4,7 km | MPC · JPL |
| 20402 | 1998 OH6 | 31/07/1998 | Višnjan Observatory | Višnjan Obs. | 14 km | MPC · JPL |
| 20403 Attenborough | 1998 OW11 | 22/07/1998 | Reedy Creek | J. Broughton | 7,7 km | MPC · JPL |
| 20404 | 1998 OB14 | 26/07/1998 | La Silla | E. W. Elst | 5,0 km | MPC · JPL |
| 20405 Barryburke | 1998 QP6 | 24/08/1998 | Caussols | ODAS | 3,4 km | MPC · JPL |
| 20406 | 1998 QJ13 | 17/08/1998 | Socorro | LINEAR | 5,3 km | MPC · JPL |
| 20407 | 1998 QM20 | 17/08/1998 | Socorro | LINEAR | 15 km | MPC · JPL |
| 20408 | 1998 QW31 | 17/08/1998 | Socorro | LINEAR | 3,0 km | MPC · JPL |
| 20409 | 1998 QP43 | 17/08/1998 | Socorro | LINEAR | 14 km | MPC · JPL |
| 20410 | 1998 QM51 | 17/08/1998 | Socorro | LINEAR | 14 km | MPC · JPL |
| 20411 | 1998 QJ69 | 24/08/1998 | Socorro | LINEAR | 11 km | MPC · JPL |
| 20412 | 1998 QG73 | 24/08/1998 | Socorro | LINEAR | 12 km | MPC · JPL |
| 20413 | 1998 QY91 | 28/08/1998 | Socorro | LINEAR | 2,3 km | MPC · JPL |
| 20414 | 1998 RH16 | 09/09/1998 | Caussols | ODAS | 8,1 km | MPC · JPL |
| 20415 Amandalu | 1998 RL61 | 14/09/1998 | Socorro | LINEAR | 3,3 km | MPC · JPL |
| 20416 Mansour | 1998 RR65 | 14/09/1998 | Socorro | LINEAR | 5,8 km | MPC · JPL |
| 20417 | 1998 SA7 | 20/09/1998 | Kitt Peak | Spacewatch | 8,4 km | MPC · JPL |
| 20418 | 1998 SH71 | 21/09/1998 | La Silla | E. W. Elst | 2,2 km | MPC · JPL |
| 20419 | 1998 SE117 | 26/09/1998 | Socorro | LINEAR | 4,5 km | MPC · JPL |
| 20420 Marashwhitman | 1998 SN129 | 26/09/1998 | Socorro | LINEAR | 4,6 km | MPC · JPL |
| 20421 | 1998 TG3 | 14/10/1998 | Socorro | LINEAR | 4,9 km | MPC · JPL |
| 20422 | 1998 UE8 | 23/10/1998 | Višnjan Observatory | K. Korlević | 13 km | MPC · JPL |
| 20423 | 1998 VN7 | 10/11/ 1998 | Socorro | LINEAR | 7,2 km | MPC · JPL |
| 20424 | 1998 VF30 | 10/11/ 1998 | Socorro | LINEAR | 46 km | MPC · JPL |
| 20425 | 1998 VD35 | 15/11/ 1998 | Kitt Peak | Spacewatch | 300 m | MPC · JPL |
| 20426 Fridlund | 1998 VW44 | 13/11/ 1998 | La Silla | C.-I. Lagerkvist | 13 km | MPC · JPL |
| 20427 | 1998 VX44 | 13/11/ 1998 | La Silla | C.-I. Lagerkvist | 18 km | MPC · JPL |
| 20428 | 1998 WG20 | 18/11/ 1998 | Socorro | LINEAR | 27 km | MPC · JPL |
| 20429 | 1998 YN1 | 16/12/1998 | Socorro | LINEAR | 1,1 km | MPC · JPL |
| 20430 Stout | 1999 AC3 | 10/01/1999 | Baton Rouge | W. R. Cooney Jr., S. Lazar | 3,4 km | MPC · JPL |
| 20431 | 1999 AA10 | 13/01/1999 | Višnjan Observatory | K. Korlević | 2,5 km | MPC · JPL |
| 20432 | 1999 BD12 | 22/01/1999 | Oizumi | T. Kobayashi | 7,6 km | MPC · JPL |
| 20433 Prestinenza | 1999 CL12 | 14/02/1999 | Ceccano | G. Masi | 11 km | MPC · JPL |
| 20434 | 1999 FM10 | 21/03/1999 | Višnjan Observatory | K. Korlević | 9,3 km | MPC · JPL |
| 20435 | 1999 FU28 | 19/03/1999 | Socorro | LINEAR | 4,2 km | MPC · JPL |
| 20436 | 1999 GA33 | 12/04/1999 | Socorro | LINEAR | 2,7 km | MPC · JPL |
| 20437 Selohusa | 1999 JH1 | 08/05/1999 | Catalina | CSS | 2,7 km | MPC · JPL |
| 20438 | 1999 JP22 | 10/05/1999 | Socorro | LINEAR | 3,5 km | MPC · JPL |
| 20439 | 1999 JM28 | 10/05/1999 | Socorro | LINEAR | 4,5 km | MPC · JPL |
| 20440 McClintock | 1999 JO31 | 10/05/1999 | Socorro | LINEAR | 3,7 km | MPC · JPL |
| 20441 Elijahmena | 1999 JH50 | 10/05/1999 | Socorro | LINEAR | 2,7 km | MPC · JPL |
| 20442 | 1999 JK52 | 10/05/1999 | Socorro | LINEAR | 2,7 km | MPC · JPL |
| 20443 | 1999 JJ60 | 10/05/1999 | Socorro | LINEAR | 5,5 km | MPC · JPL |
| 20444 Mamesser | 1999 JK63 | 10/05/1999 | Socorro | LINEAR | 2,5 km | MPC · JPL |
| 20445 | 1999 JN77 | 12/05/1999 | Socorro | LINEAR | 6,5 km | MPC · JPL |
| 20446 | 1999 JB80 | 14/05/1999 | Socorro | LINEAR | 4,9 km | MPC · JPL |
| 20447 | 1999 JR85 | 15/05/1999 | Socorro | LINEAR | 8,0 km | MPC · JPL |
| 20448 | 1999 JM96 | 12/05/1999 | Socorro | LINEAR | 3,2 km | MPC · JPL |
| 20449 | 1999 JM108 | 13/05/1999 | Socorro | LINEAR | 2,8 km | MPC · JPL |
| 20450 Marymohammed | 1999 JJ111 | 13/05/1999 | Socorro | LINEAR | 2,0 km | MPC · JPL |
| 20451 Galeotti | 1999 JR134 | 15/05/1999 | Anderson Mesa | LONEOS | 3,5 km | MPC · JPL |
| 20452 | 1999 KG4 | 20/05/1999 | Socorro | LINEAR | 4,4 km | MPC · JPL |
| 20453 | 1999 KL6 | 24/05/1999 | Socorro | LINEAR | 3,1 km | MPC · JPL |
| 20454 Pedrajo | 1999 LD4 | 09/06/1999 | Socorro | LINEAR | 2,7 km | MPC · JPL |
| 20455 Pennell | 1999 LE4 | 09/06/1999 | Socorro | LINEAR | 2,8 km | MPC · JPL |
| 20456 | 1999 LX6 | 08/06/1999 | Kitt Peak | Spacewatch | 7,7 km | MPC · JPL |
| 20457 | 1999 LX7 | 10/06/1999 | Woomera | F. B. Zoltowski | 4,6 km | MPC · JPL |
| 20458 | 1999 LZ21 | 09/06/1999 | Socorro | LINEAR | 3,5 km | MPC · JPL |
| 20459 | 1999 LO26 | 09/06/1999 | Socorro | LINEAR | 4,4 km | MPC · JPL |
| 20460 Robwhiteley | 1999 LO28 | 13/06/1999 | CSS | CSS | 2,7 km | MPC · JPL |
| 20461 Dioretsa | 1999 LD31 | 08/06/1999 | Socorro | LINEAR | 7,7 km | MPC · JPL |
| 20462 | 1999 LZ31 | 14/06/1999 | Kitt Peak | Spacewatch | 7,7 km | MPC · JPL |
| 20463 | 1999 MC1 | 23/06/1999 | Woomera | F. B. Zoltowski | 2,7 km | MPC · JPL |
| 20464 | 1999 MD1 | 24/06/1999 | Woomera | F. B. Zoltowski | 2,2 km | MPC · JPL |
| 20465 Vervack | 1999 MJ1 | 20/06/1999 | Anderson Mesa | LONEOS | 3,4 km | MPC · JPL |
| 20466 | 1999 MW1 | 20/06/1999 | Catalina | CSS | 14 km | MPC · JPL |
| 20467 Hibbitts | 1999 MX1 | 20/06/1999 | Anderson Mesa | LONEOS | 4,2 km | MPC · JPL |
| 20468 Petercook | 1999 NK4 | 13/07/1999 | Reedy Creek | J. Broughton | 7,9 km | MPC · JPL |
| 20469 Dudleymoore | 1999 NQ4 | 13/07/1999 | Reedy Creek | J. Broughton | 6,1 km | MPC · JPL |
| 20470 | 1999 NZ5 | 13/07/1999 | Socorro | LINEAR | 10 km | MPC · JPL |
| 20471 | 1999 NK6 | 13/07/1999 | Socorro | LINEAR | 5,3 km | MPC · JPL |
| 20472 Mollypettit | 1999 NL7 | 13/07/1999 | Socorro | LINEAR | 5,4 km | MPC · JPL |
| 20473 | 1999 NS8 | 13/07/1999 | Socorro | LINEAR | 6,3 km | MPC · JPL |
| 20474 Reasoner | 1999 NV9 | 13/07/1999 | Socorro | LINEAR | 2,8 km | MPC · JPL |
| 20475 | 1999 NU11 | 13/07/1999 | Socorro | LINEAR | 3,7 km | MPC · JPL |
| 20476 Chanarich | 1999 NH12 | 13/07/1999 | Socorro | LINEAR | 2,5 km | MPC · JPL |
| 20477 Anastroda | 1999 NQ18 | 14/07/1999 | Socorro | LINEAR | 2,7 km | MPC · JPL |
| 20478 Rutenberg | 1999 NJ20 | 14/07/1999 | Socorro | LINEAR | 3,7 km | MPC · JPL |
| 20479 Celisaucier | 1999 NO22 | 14/07/1999 | Socorro | LINEAR | 3,5 km | MPC · JPL |
| 20480 Antonschraut | 1999 NT31 | 14/07/1999 | Socorro | LINEAR | 3,3 km | MPC · JPL |
| 20481 Sharples | 1999 NW37 | 14/07/1999 | Socorro | LINEAR | 3,4 km | MPC · JPL |
| 20482 Dustinshea | 1999 NH40 | 14/07/1999 | Socorro | LINEAR | 2,9 km | MPC · JPL |
| 20483 Sinay | 1999 NK41 | 14/07/1999 | Socorro | LINEAR | 3,4 km | MPC · JPL |
| 20484 Janetsong | 1999 NL41 | 14/07/1999 | Socorro | LINEAR | 4,2 km | MPC · JPL |
| 20485 | 1999 NJ54 | 12/07/1999 | Socorro | LINEAR | 4,3 km | MPC · JPL |
| 20486 | 1999 NU56 | 12/07/1999 | Socorro | LINEAR | 6,7 km | MPC · JPL |
| 20487 | 1999 NJ62 | 13/07/1999 | Socorro | LINEAR | 4,6 km | MPC · JPL |
| 20488 Pic-du-Midi | 1999 OL | 17/07/1999 | Pises | Pises Obs. | 7,9 km | MPC · JPL |
| 20489 | 1999 OJ2 | 22/07/1999 | Socorro | LINEAR | 6,9 km | MPC · JPL |
| 20490 | 1999 OW2 | 22/07/1999 | Socorro | LINEAR | 7,8 km | MPC · JPL |
| 20491 Ericstrege | 1999 OA5 | 16/07/1999 | Socorro | LINEAR | 3,0 km | MPC · JPL |
| 20492 | 1999 OC5 | 16/07/1999 | Socorro | LINEAR | 5,1 km | MPC · JPL |
| 20493 | 1999 OD5 | 16/07/1999 | Socorro | LINEAR | 9,2 km | MPC · JPL |
| 20494 | 1999 PM1 | 03/08/1999 | Siding Spring | R. H. McNaught | 8,7 km | MPC · JPL |
| 20495 Rimavská Sobota | 1999 PW4 | 15/08/1999 | Ondřejov | P. Pravec, P. Kušnirák | 3,8 km | MPC · JPL |
| 20496 Jeník | 1999 QA2 | 22/08/1999 | Ondřejov | L. Kotková | 5,3 km | MPC · JPL |
| 20497 Mařenka | 1999 RS | 04/09/1999 | Ondřejov | L. Kotková | 9,1 km | MPC · JPL |
| 20498 | 1999 RT1 | 05/09/1999 | Višnjan Observatory | K. Korlević | 5,2 km | MPC · JPL |
| 20499 | 1999 RZ2 | 06/09/1999 | Višnjan Observatory | K. Korlević | 4,2 km | MPC · JPL |
| 20500 Avner | 1999 RP3 | 04/09/1999 | Catalina | CSS | 3,0 km | MPC · JPL |