List of asteroids/20501–20600

|| September 7, 1999 || Socorro || LINEAR
-
20503 Adamtazi || || September 7, 1999 || Socorro || LINEAR
-
20506 - || || September 7, 1999 || Socorro || LINEAR
-
20509 - || || September 8, 1999 || Višnjan Observatory || K. Korlević
-
20512 Rothenberg || || September 7, 1999 || Višnjan Observatory || K. Korlević
-
20515 - || || September 11, 1999 || Olathe || L. Robinson
-
20518 Rendtel || || September 13, 1999 || Višnjan Observatory || K. Korlević
-
20521 - || || September 13, 1999 || Višnjan Observatory || K. Korlević
-
20524 Bustersikes || || September 7, 1999 || Socorro || LINEAR
-
20527 Dajowestrich || || September 7, 1999 || Socorro || LINEAR
-
20530 Johnayres || || September 7, 1999 || Socorro || LINEAR
-
20533 Irmabonham || || September 7, 1999 || Socorro || LINEAR
-
20536 Tracicarter || || September 7, 1999 || Socorro || LINEAR
-
20539 Gadberry || || September 7, 1999 || Socorro || LINEAR
-
20542 - || || September 8, 1999 || Socorro || LINEAR
-
20545 Karenhowell || || September 8, 1999 || Socorro || LINEAR
-
20548 - || || September 8, 1999 || Socorro || LINEAR
-
20551 - || || September 9, 1999 || Socorro || LINEAR
-
20554 - || || September 9, 1999 || Socorro || LINEAR
-
20557 Davidkulka || || September 9, 1999 || Socorro || LINEAR
-
20560 - || || September 9, 1999 || Socorro || LINEAR
-
20563 - || || September 9, 1999 || Socorro || LINEAR
-
20566 Laurielee || || September 9, 1999 || Socorro || LINEAR
-
20569 - || || September 9, 1999 || Socorro || LINEAR
-
20572 Celemorrow || || September 9, 1999 || Socorro || LINEAR
-
20575 - || || September 9, 1999 || Socorro || LINEAR
-
20578 - || || September 9, 1999 || Socorro || LINEAR
-
20581 Prendergast || || September 9, 1999 || Socorro || LINEAR
-
20584 Brigidsavage || || September 9, 1999 || Socorro || LINEAR
-
20587 Jargoldman || || September 9, 1999 || Socorro || LINEAR
-
20590 Bongiovanni || || September 9, 1999 || Socorro || LINEAR
-
20593 Freilich || || September 9, 1999 || Socorro || LINEAR
-
20596 - || || September 7, 1999 || Socorro || LINEAR
-
20599 - ||