Hiroki Kosai


see

Hiroki Kosai is a Japanese astronomer with the Kiso Observatory. He is best known for helping to popularize astronomy in Japan and for his observations of comets and asteroids, most notably with his co-discovery the comet 1976 XVI. He is credited by the Minor Planet Center with the discovery of nearly 100 asteroids.

Awards and honors

Asteroid 3370 Kohsai, discovered by Karl Reinmuth at Heidelberg Observatory in 1930, was is named in his honor. The official naming citation was published by the MPC on 14 April 1987.

List of discovered minor planets

Hiroki Kosai discovered several asteroids, all in collaboration with Kiichirō Furukawa and Goro Sasaki:
2271 Kiso22 October 1976 
2330 Ontake18 February 1977 
2470 Agematsu22 October 1976 
2924 Mitake-mura18 February 1977 
2960 Ohtaki18 February 1977 
3111 Misuzu19 February 1977 
3249 Musashino18 February 1977 
3291 Dunlap14 November 1982 
3319 Kibi12 March 1977 
3320 Namba14 November 1982 
3391 Sinon18 February 1977 
3392 Setouchi17 December 1979 
3607 Naniwa18 February 1977 
3878 Jyoumon14 November 1982 
4072 Yayoi30 October 1981 
4077 Asuka13 December 1982 
4186 Tamashima18 February 1977 
4272 Entsuji12 March 1977 
4526 Konko22 May 1982 
4812 Hakuhou18 February 1977 

8133 Takanochoei18 February 1977 
8144 Hiragagennai14 November 1982 
9147 Kourakuen18 February 1977 
9153 Chikurinji30 October 1981 
9293 Kamogata13 December 1982 
9719 Yakage18 February 1977 
10006 Sessai22 October 1976 
10008 Raisanyo18 February 1977 
10009 Hirosetanso12 March 1977 
10453 Banzan18 February 1977 
11254 Konkohekisui18 February 1977 
11255 Fujiiekio18 February 1977 
11442 Seijin-Sanso22 October 1976 
11827 Wasyuzan14 November 1982 
12186 Mitukurigen12 March 1977 
12221 Ogatakoan14 November 1982 
12682 Kawada14 November 1982 
14313 Dodaira22 October 1976 
14314 Tokigawa18 February 1977 
14315 Ogawamachi12 March 1977