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20th century

The 20th century

1,560 inventions and discoveries

Invention or discovery	Date	Inventor or discoverer	Type
21671 Warrener	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21676 Maureenanne	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21677 Tylerlyon	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21694 Allisowilson	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21695 Hannahwolf	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21696 Ermalmquist	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21697 Mascharak	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21699 Wolpert	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21700 Caseynicole	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21701 Gabemendoza	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21702 Prisymendoza	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21705 Subinmin	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21706 Robminehart	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21711 Wilfredwong	September 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20544 Kimhansell	September 8, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20545 Karenhowell	September 8, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21714 Geoffreywoo	September 8, 1999	Lincoln Near-Earth Asteroid Research	asteroid
12593 Shashlov	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
12596 Shukla	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
12598 Sierra	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
12599 Singhal	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
12602 Tammytam	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
12603 Tanchunghee	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
13404 Norris	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16073 Gaskin	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16075 Meglass	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16077 Arayhamilton	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16079 Imada	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20553 Donaldhowk	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20557 Davidkulka	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20559 Sheridanlamp	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20567 McQuarrie	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20568 Migaki	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20572 Celemorrow	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20574 Ochinero	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20576 Marieoertle	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20581 Prendergast	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20582 Reichenbach	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20583 Richthammer	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20590 Bongiovanni	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20591 Sameergupta	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20593 Freilich	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
20595 Ryanwisnoski	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21716 Panchamia	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21717 Pang	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21718 Cheonghapark	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21720 Pilishvili	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21721 Feiniqu	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21722 Rambhia	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21724 Ratai	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21725 Zhongyuechen	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21726 Rezvanian	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21727 Rhines	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21728 Zhuzhirui	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21731 Zhuruochen	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21735 Nissaschmidt	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21738 Schwank	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21739 Annekeschwob	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21742 Rachaelscott	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21744 Meliselinger	September 9, 1999	Lincoln Near-Earth Asteroid Research	asteroid