# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/hiroki-kosai
# Generated: 2026-09-07T19:36:27.241Z

schema: https://schema.org/Person
url: "https://fame.am/person/hiroki-kosai"
name: "Hiroki Kosai"
slug: "hiroki-kosai"
description: "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."
tagline: "Japanese astronomer"
gender: "male"
country:
  name: "Japan"
  isoCode: "JP"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1933-02-08"
livingStatus: "LIVING"
scores:
  popularity:           46.49
  momentum:             0
  historical:           16.410548
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  55
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://zh.wikipedia.org/wiki/%E9%A6%99%E8%A5%BF%E6%B4%8B%E6%A8%B9"
    title: "香西洋樹"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%87%D9%8A%D8%B1%D9%88%D9%83%D9%89_%D9%83%D9%88%D8%B3%D8%A7%D9%89"
    title: "هيروكى كوساى"
    type:  "WIKIPEDIA"
  - url: "https://bg.wikipedia.org/wiki/%D0%A5%D0%B8%D1%80%D0%BE%D0%BA%D0%B8_%D0%9A%D0%BE%D1%81%D0%B0%D0%B9"
    title: "Хироки Косай"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Hiroki_K%C5%8Dsai"
    title: "Hiroki Kōsai"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Hiroki_Kosai"
    title: "Hiroki Kosai"
    type:  "WIKIPEDIA"
  - url: "https://eo.wikipedia.org/wiki/Hiroki_Kosaj"
    title: "Hiroki Kosaj"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Hiroki_Kosai"
    title: "Hiroki Kosai"
    type:  "WIKIPEDIA"
  - url: "https://eu.wikipedia.org/wiki/Hiroki_Kosai"
    title: "Hiroki Kosai"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Hiroki_Kosai"
    title: "Hiroki Kosai"
    type:  "WIKIPEDIA"
  - url: "https://hr.wikipedia.org/wiki/Hiroki_K%C5%8Dsai"
    title: "Hiroki Kōsai"
    type:  "WIKIPEDIA"
  - url: "https://hy.wikipedia.org/wiki/%D5%80%D5%AB%D6%80%D5%B8%D5%AF%D5%AB_%D4%BF%D5%B8%D5%BD%D5%A1%D5%B5"
    title: "Հիրոկի Կոսայ"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Hiroki_K%C5%8Dsai"
    title: "Hiroki Kōsai"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E9%A6%99%E8%A5%BF%E6%B4%8B%E6%A8%B9"
    title: "香西洋樹"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EA%B3%A0%EC%82%AC%EC%9D%B4_%ED%9E%88%EB%A1%9C%ED%82%A4"
    title: "고사이 히로키"
    type:  "WIKIPEDIA"
  - url: "https://lb.wikipedia.org/wiki/Hiroki_K%C5%8Dsai"
    title: "Hiroki Kōsai"
    type:  "WIKIPEDIA"
  - url: "https://no.wikipedia.org/wiki/Hiroki_Kosai"
    title: "Hiroki Kosai"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Hiroki_K%C5%8Dsai"
    title: "Hiroki Kōsai"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Hiroki_K%C5%8Dsai"
    title: "Hiroki Kōsai"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9A%D0%BE%D1%81%D0%B0%D0%B9%2C_%D0%A5%D0%B8%D1%80%D0%BE%D0%BA%D0%B8"
    title: "Косай, Хироки"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/Hiroki_K%C5%8Dsai"
    title: "Hiroki Kōsai"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q519743"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump