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20th century

The 20th century

1,560 inventions and discoveries

Invention or discovery	Date	Inventor or discoverer	Type
15452 Ibramohammed	December 14, 1998	Lincoln Near-Earth Asteroid Research	asteroid
28196 Szeged	December 15, 1998	Krisztián Sárneczky	asteroid
Emoji	1999	Shigetaka Kurita	notation
15476 Narendra	January 18, 1999	Lincoln Near-Earth Asteroid Research	asteroid
15083 Tianhuili	February 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
15088 Licitra	February 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16013 Schmidgall	February 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16014 Sinha	February 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16015 Snell	February 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16023 Alisonyee	February 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16996 Dahir	February 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16998 Estelleweber	February 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
Kampung Gual Mesa	February 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16017 Street	February 12, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16019 Edwardsu	February 12, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16021 Caseyvaughn	February 12, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17004 Sinkevich	February 12, 1999	Lincoln Near-Earth Asteroid Research	asteroid
11203 Danielbetten	March 19, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17039 Yeuseyenka	March 19, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17040 Almeida	March 19, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17044 Mubdirahman	March 19, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17046 Kenway	March 19, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17049 Miron	March 19, 1999	Lincoln Near-Earth Asteroid Research	asteroid
28346 Kent	March 19, 1999	Charles W. Juels	asteroid
11207 Black	March 20, 1999	Lincoln Near-Earth Asteroid Research	asteroid
137165 Annis	March 20, 1999	Sloan Digital Sky Survey	asteroid
17051 Oflynn	March 20, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16043 Yichenzhang	April 6, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17930 Kennethott	April 6, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17932 Viswanathan	April 6, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17072 Athiviraham	April 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
21608 Gloyna	April 7, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17933 Haraguchi	April 12, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17935 Vinhoward	April 12, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17066 Ginagallant	April 15, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17926 Jameswu	April 15, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17928 Neuwirth	April 15, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17079 Lavrovsky	April 17, 1999	Lincoln Near-Earth Asteroid Research	asteroid
11227 Ksenborisova	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
11228 Botnick	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
11229 Brookebowers	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
11414 Allanchu	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
12117 Meagmessina	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
16053 Brennan	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17090 Mundaca	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17095 Mahadik	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17098 Ikedamai	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17100 Kamiokanatsu	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17101 Sakenova	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17104 McCloskey	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17108 Patricorbett	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17115 Justiniano	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17119 Alexisrodrz	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17121 Fernandonido	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17951 Fenska	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17952 Folsom	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17954 Hopkins	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17956 Andrewlenoir	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17958 Schoof	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid
17959 Camierickson	May 10, 1999	Lincoln Near-Earth Asteroid Research	asteroid