Hiroki Kosai Japanese Astronomer
Rest in Peace Hiroki Kosai.
Passed away on 26th March, 2026 aged 93.
Hiroki Kosai dating history
Relationships
We have no records of past relationships for Hiroki Kosai.
About
Hiroki Kosai is a member of the following lists: 1933 births, Japanese astronomer stubs and Japanese astronomers.
Contribute
Who is Hiroki Kosai dating? Hiroki Kosai partner, spouse list. Help us build our profile of Hiroki Kosai!
Login
to add information, pictures and relationships, join in discussions and get credit for your contributions.
Details
| First Name |
Hiroki
|
| Last Name |
Kosai
|
| Birthday |
30th November, 1932
|
| Died |
26th March, 2026
|
| Nationality |
Japanese
|
| Occupation |
Astronomer
|
Hiroki Kosai (香西 洋樹, Kōsai Hiroki; 8 February 1933 – 26 March 2026) was 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 of the comet 1976 XVI. He is credited by the Minor Planet Center (MPC) with the discovery of nearly 100 asteroids.
