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Hiroki Kosai

Japanese astronomer

  • Fame46.5
  • Momentum0.0
  • Wikipedia293
Born 1933 · age 93Japan
JapanJapanScientistsScientist
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  • Wikipedia
    20 languages
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  • Age
    93
    Born 1933
Summary
Updated 2026-06-20

Hiroki Kosai 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.

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Fame
Falling
46.5
Composite of search demand, mentions, audience & graph footprint.
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Historical16.4
Source confidence60.0
Completeness55.0
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