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20th century

The 20th century

1,560 inventions and discoveries

Invention or discovery	Date	Inventor or discoverer	Type
4689 Donn	December 30, 1980	Edward L. G. Bowell	asteroid
5307 Paul-André	December 30, 1980	Edward L. G. Bowell	asteroid
3602 Lazzaro	February 28, 1981	Schelte J. Bus	asteroid
3042 Zelinsky	March 1981	Schelte J. Bus	asteroid
3685 Derdenye	March 1981	Schelte J. Bus	asteroid
3806 Tremaine	March 1981	Schelte J. Bus	asteroid
4731 Monicagrady	March 1981	Schelte J. Bus	asteroid
4886 Kojima	March 1981	Schelte J. Bus	asteroid
5663 McKeegan	March 1981	Schelte J. Bus	asteroid
5760 Mittlefehldt	March 1981	Schelte J. Bus	asteroid
7550 Woolum	March 1981	Schelte J. Bus	asteroid
2884 Reddish	March 2, 1981	Schelte J. Bus	asteroid
3252 Johnny	March 2, 1981	Schelte J. Bus	asteroid
3528 Counselman	March 2, 1981	Schelte J. Bus	asteroid
3529 Dowling	March 2, 1981	Schelte J. Bus	asteroid
3530 Hammel	March 2, 1981	Schelte J. Bus	asteroid
3593 Osip	March 2, 1981	Schelte J. Bus	asteroid
4815 Anders	March 2, 1981	Schelte J. Bus	asteroid
4854 Edscott	March 2, 1981	Schelte J. Bus	asteroid
4924 Hiltner	March 2, 1981	Schelte J. Bus	asteroid
4966 Edolsen	March 2, 1981	Schelte J. Bus	asteroid
4990 Trombka	March 2, 1981	Schelte J. Bus	asteroid
5309 MacPherson	March 2, 1981	Schelte J. Bus	asteroid
5310 Papike	March 2, 1981	Schelte J. Bus	asteroid
5762 Wänke	March 2, 1981	Schelte J. Bus	asteroid
5993 Tammydickinson	March 2, 1981	Schelte J. Bus	asteroid
3891 Werner	March 3, 1981	Schelte J. Bus	asteroid
4965 Takeda	March 6, 1981	Schelte J. Bus	asteroid
5223 McSween	March 6, 1981	Schelte J. Bus	asteroid
5365 Fievez	March 7, 1981	Henri Debehogne	asteroid
3057 Mälaren	March 9, 1981	Edward L. G. Bowell	asteroid
3531 Cruikshank	March 30, 1981	Edward L. G. Bowell	asteroid
3480 Abante	April 1981	Edward L. G. Bowell	asteroid
3689 Yeates	May 5, 1981	Carolyn S. Shoemaker	asteroid
4888 Doreen	May 5, 1981	Carolyn S. Shoemaker	asteroid
3837 Carr	May 6, 1981	Carolyn S. Shoemaker	asteroid
3972 Richard	May 6, 1981	Carolyn S. Shoemaker	asteroid
14812 Rosario	May 9, 1981	Félix Aguilar Observatory	asteroid
3726 Johnadams	June 4, 1981	Edward L. G. Bowell	asteroid
3690 Larson	August 3, 1981	Edward L. G. Bowell	asteroid
3727 Maxhell	August 7, 1981	Antonín Mrkos	asteroid
5459 Saraburger	August 26, 1981	Henri Debehogne	asteroid
4761 Urrutia	August 27, 1981	Hans-Emil Schuster	asteroid
12999 Toruń	August 30, 1981	Edward L. G. Bowell	asteroid
3087 Beatrice Tinsley	August 30, 1981	Alan Gilmore	asteroid
14335 Alexosipov	September 3, 1981	Nikolai Chernykh	asteroid
3886 Shcherbakovia	September 3, 1981	Nikolai Chernykh	asteroid
3943 Silbermann	September 3, 1981	Freimut Börngen	asteroid
10031 Vladarnolda	September 7, 1981	Lyudmila Karachkina	asteroid
3403 Tammy	September 25, 1981	Laurence G. Taff	asteroid
3467 Bernheim	September 26, 1981	Norman G. Thomas	asteroid
3621 Curtis	September 26, 1981	Norman G. Thomas	asteroid
3898 Curlewis	September 26, 1981	Michael P. Candy	asteroid
3453 Dostoevsky	September 27, 1981	Lyudmila Karachkina	asteroid
5994 Yakubovich	September 29, 1981	Lyudmila Zhuravlyova	asteroid
9927 Tyutchev	October 3, 1981	Lyudmila Karachkina	asteroid
3623 Chaplin	October 4, 1981	Lyudmila Karachkina	asteroid
3652 Soros	October 6, 1981	Tamara Smirnova	asteroid
4623 Obraztsova	October 24, 1981	Lyudmila Chernykh	asteroid
8256 Shenzhou	October 25, 1981	Purple Mountain Observatory	asteroid