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20th century

The 20th century

1,560 inventions and discoveries

Invention or discovery	Date	Inventor or discoverer	Type
20278 Qileihang	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20281 Kathartman	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20283 Elizaheller	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20284 Andreilevin	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20286 Michta	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20287 Munteanu	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20290 Seanraj	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20293 Sirichelson	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21390 Shindo	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21391 Rotanner	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21392 Helibrochier	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21393 Kalygeringer	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21394 Justinbecker	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21396 Fisher-Ives	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21400 Ahdout	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21401 Justinkovac	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21402 Shanhuang	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21404 Atluri	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21405 Sagarmehta	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21406 Jimyang	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21407 Jessicabaker	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21410 Cahill	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21411 Abifraeman	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21412 Sinchanban	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21413 Albertsao	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21415 Nicobrenner	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21416 Sisichen	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21419 Devience	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21439 Robenzing	March 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
11695 Mattei	March 22, 1998	Lowell Observatory Near-Earth-Object Search	asteroid
20298 Gordonsu	March 24, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21421 Nealwadhwa	March 24, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21422 Alexacarey	March 24, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21423 Credo	March 24, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21425 Cordwell	March 24, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20316 Jerahalpern	March 28, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20317 Hendrickson	March 29, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21441 Stevencondie	March 29, 1998	Lincoln Near-Earth Asteroid Research	asteroid
11702 Mifischer	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
12509 Pathak	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20301 Thakur	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20302 Kevinwang	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20305 Feliciayen	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20311 Nancycarter	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21428 Junehokim	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21430 Brubrew	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21432 Polingloh	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21433 Stekramer	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21434 Stanchiang	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21436 Chaoyichi	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
21437 Georgechen	March 31, 1998	Lincoln Near-Earth Asteroid Research	asteroid
39971 József	April 2, 1998	Krisztián Sárneczky	asteroid
20321 Lightdonovan	April 18, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20351 Kaborchardt	April 18, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20352 Pinakibose	April 19, 1998	Lincoln Near-Earth Asteroid Research	asteroid
12086 Joshualevine	April 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
12855 Tewksbury	April 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
16944 Wangler	April 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20323 Tomlindstom	April 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid
20324 Johnmahoney	April 20, 1998	Lincoln Near-Earth Asteroid Research	asteroid