ASTRONOMER

Yoshisada Shimizu

1943 - Today

Photo of Yoshisada Shimizu

Icon of person Yoshisada Shimizu

Yoshisada Shimizu (清水 義定, Shimizu Yoshisada, born 1943) is a Japanese amateur astronomer and a prolific discoverer of hundreds of asteroids since 1993. An orthopaedist by profession, he is also known as an astrophotographer. The central main-belt asteroid 7300 Yoshisada, discovered by astronomer Takeshi Urata in 1992, was named in his honor. The official naming citation was published on 18 August 1997 (M.P.C. Read more on Wikipedia

Since 2007, the English Wikipedia page of Yoshisada Shimizu has received more than 15,957 page views. His biography is available in 16 different languages on Wikipedia (up from 15 in 2019). Yoshisada Shimizu is the 531st most popular astronomer (down from 513th in 2019).

Memorability Metrics

  • 16k

    Page Views (PV)

  • 44.23

    Historical Popularity Index (HPI)

  • 16

    Languages Editions (L)

  • 8.90

    Effective Languages (L*)

  • 1.29

    Coefficient of Variation (CV)

Among ASTRONOMERS

Among astronomers, Yoshisada Shimizu ranks 531 out of 644. Before him are Roy A. Tucker, Ľudmila Pajdušáková, William Christie, Edward S. Holden, Marc Aaronson, and John Pond. After him are Robert H. McNaught, Grove Karl Gilbert, Carlos Ulrrico Cesco, Charles Augustus Young, Kiichirō Furukawa, and Ruby Payne-Scott.

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Contemporaries

Among people born in 1943, Yoshisada Shimizu ranks 610. Before him are Bob Avakian, Samuel T. Durrance, Pete Quaife, Manfred Schnelldorfer, Hugh Wilson, and Dan Coats. After him are Daniel Brandenstein, Ignacio Prieto, Udo Zimmermann, Klaus Köste, Alan Rudolph, and Cosimo Pinto.

Others Born in 1943

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