Hiroki Kosai
香西 洋樹
Born (1933-08-02) August 2, 1933 (age 90)
NationalityJapanese
Known forHelping to popularize astronomy in Japan
Scientific career
FieldsAstronomy
InstitutionsTokyo Astronomical Observatory
Minor planets discovered: 93 [1]
see § List of discovered minor planets

Hiroki Kosai (香西 洋樹, Kōsai Hiroki, born 8 February 1933) 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.[2] He is credited by the Minor Planet Center (MPC) with the discovery of nearly 100 asteroids.[1]

Awards and honors

Asteroid 3370 Kohsai, discovered by Karl Reinmuth at Heidelberg Observatory in 1930, was is named in his honor.[3] The official naming citation was published by the MPC on 14 April 1987 (M.P.C. 11750).[4]

List of discovered minor planets

See also: Category:Discoveries by Hiroki Kosai

Hiroki Kosai discovered several asteroids, all in collaboration with A Kiichirō Furukawa and B Goro Sasaki:

2271 Kiso 22 October 1976 list [A]
2330 Ontake 18 February 1977 list [A]
2470 Agematsu 22 October 1976 list [A]
2924 Mitake-mura 18 February 1977 list [A]
2960 Ohtaki 18 February 1977 list [A]
3111 Misuzu 19 February 1977 list [A]
3249 Musashino 18 February 1977 list [A]
3291 Dunlap 14 November 1982 list [A]
3319 Kibi 12 March 1977 list [A]
3320 Namba 14 November 1982 list [A]
3391 Sinon 18 February 1977 list [A]
3392 Setouchi 17 December 1979 list [B]
3607 Naniwa 18 February 1977 list [A]
3878 Jyoumon 14 November 1982 list [A]
4072 Yayoi 30 October 1981 list [A]
4077 Asuka 13 December 1982 list [A]
4186 Tamashima 18 February 1977 list [A]
4272 Entsuji 12 March 1977 list [A]
4526 Konko 22 May 1982 list [A]
4812 Hakuhou 18 February 1977 list [A]
4855 Tenpyou 14 November 1982 list [A]
4890 Shikanosima 14 November 1982 list [A]
4929 Yamatai 13 December 1982 list [A]
4963 Kanroku 18 February 1977 list [A]
5017 Tenchi 18 February 1977 list [A]
5018 Tenmu 19 February 1977 list [A]
5082 Nihonsyoki 18 February 1977 list [A]
5454 Kojiki 12 March 1977 list [A]
5466 Makibi 30 November 1986 list [A]
5541 Seimei 22 October 1976 list [A]
6031 Ryokan 26 January 1982 list [A]
6218 Mizushima 12 March 1977 list [A]
6818 Sessyu 11 March 1983 list [A]
6846 Kansazan 22 October 1976 list [A]
7104 Manyousyu 18 February 1977 list [A]
7105 Yousyozan 18 February 1977 list [A]
7562 Kagiroino-Oka 30 November 1986 list [A]
7627 Wakenokiyomaro 18 February 1977 list [A]
7634 Shizutani-Kou 14 November 1982 list [A]
7991 Kaguyahime 30 October 1981 list [A]
8133 Takanochoei 18 February 1977 list [A]
8144 Hiragagennai 14 November 1982 list [A]
9147 Kourakuen 18 February 1977 list [A]
9153 Chikurinji 30 October 1981 list [A]
9293 Kamogata 13 December 1982 list [A]
9719 Yakage 18 February 1977 list [A]
10006 Sessai 22 October 1976 list [A]
10008 Raisanyo 18 February 1977 list [A]
10009 Hirosetanso 12 March 1977 list [A]
10453 Banzan 18 February 1977 list [A]
11254 Konkohekisui 18 February 1977 list [A]
11255 Fujiiekio 18 February 1977 list [A]
11442 Seijin-Sanso 22 October 1976 list [A]
11827 Wasyuzan 14 November 1982 list [A]
12186 Mitukurigen 12 March 1977 list [A]
12221 Ogatakoan 14 November 1982 list [A]
12682 Kawada 14 November 1982 list [A]
14313 Dodaira 22 October 1976 list [A]
14314 Tokigawa 18 February 1977 list [A]
14315 Ogawamachi 12 March 1977 list [A]
14316 Higashichichibu 12 March 1977 list [A]
14338 Shibakoukan 14 November 1982 list [A]
14795 Syoyou 12 March 1977 list [A]
14820 Aizuyaichi 14 November 1982 list [A]
14821 Motaeno 14 November 1982 list [A]
15202 Yamada-Houkoku 12 March 1977 list [A]
15671 Suzannedébarbat 12 March 1977 list [A]
15672 Sato-Norio 12 March 1977 list [A]
16357 Risanpei 22 October 1976 list [A]
18289 Yokoyamakoichi 22 October 1976 list [A]
18290 Sumiyoshi 18 February 1977 list [A]
18291 Wani 18 February 1977 list [A]
18322 Korokan 14 November 1982 list [A]
19083 Mizuki 18 February 1977 list [A]
(19917) 1977 EE8 12 March 1977 list [A]
19953 Takeo 14 November 1982 list [A]
19954 Shigeyoshi 14 November 1982 list [A]
20962 Michizane 12 March 1977 list [A]
22277 Hirado 14 November 1982 list [A]
24640 Omiwa 13 December 1982 list [A]
26794 Yukioniimi 18 February 1977 list [A]
(26806) 1982 KX1 22 May 1982 list [A]
(26808) 1982 VB4 14 November 1982 list [A]
34995 Dainihonshi 18 February 1977 list [A]
34996 Mitokoumon 18 February 1977 list [A]
(37529) 1977 EL8 12 March 1977 list [A]
(43753) 1982 VN3 14 November 1982 list [A]
(48408) 1982 VN2 14 November 1982 list [A]
52260 Ureshino 22 May 1982 list [A]
52261 Izumishikibu 14 November 1982 list [A]
(65635) 1977 EA8 12 March 1977 list [A]
(73639) 1977 EL7 12 March 1977 list [A]
(164616) 1986 WV8 30 November 1986 list [A]
Co-discovery made with:
A K. Furukawa
B G. Sasaki

See also

References

  1. ^ a b "Minor Planet Discoverers (by number)". Minor Planet Center. 11 July 2018. Retrieved 17 July 2018.
  2. ^ "3370 Kohsai (1934 CU)". Minor Planet Center. Retrieved 18 July 2018.
  3. ^ Schmadel, Lutz D. (2007). "(3370) Kohsai". Dictionary of Minor Planet Names – (3370) Kohsai. Springer Berlin Heidelberg. p. 281. doi:10.1007/978-3-540-29925-7_3370. ISBN 978-3-540-00238-3.
  4. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 18 July 2018.

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