Masahiro Koishikawa

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Masahiro Koishikawa
Born1952 (1952)
DiedAugust 26, 2020(2020-08-26) (aged 67–68)
Minor planets discovered: 19 [1]
see § List of discovered minor planets

Masahiro Koishikawa (小石川 正弘, Koishikawa Masahiro, 1952 – 26 August 2020) was a Japanese astronomer. He studied both major and minor planets, and discovered multiple asteroids.[2]

Koishikawa was a staff member of the Sendai Astronomical Observatory frin 1972. His research was based out of the Sendai's Ayashi (391) station. The main-belt asteroid 6097 Koishikawa, discovered by Kin Endate and Kazuro Watanabe at Kitami in 1991, was named in his honor.[2] He died on 26 August 2020 from lung cancer.[3]

List of discovered minor planets[edit]

3994 Ayashi 2 December 1988 list
4292 Aoba 4 November 1989 list
4407 Taihaku 13 October 1988 list
4539 Miyagino 8 November 1988 list
4871 Riverside 24 November 1989 list
5128 Wakabayashi 30 March 1989 list
5751 Zao 5 January 1992 list
6089 Izumi 5 January 1989 list
6190 Rennes 8 October 1989 list
6349 Acapulco 8 February 1995 list
6859 Datemasamune 13 February 1991 list
7485 Changchun 4 December 1994 list
7816 Hanoi 18 December 1987 list
8084 Dallas 6 February 1989 list
10500 Nishi-koen 3 April 1987 list
11514 Tsunenaga 13 February 1991 list
12252 Gwangju 8 November 1988 list
14032 Mego 4 December 1994 list
30963 Mount Banzan 29 November 1994 list

See also[edit]

References[edit]

  1. ^ "Minor Planet Discoverers (by number)". Minor Planet Center. 4 September 2016. Retrieved 11 March 2017.
  2. ^ a b Schmadel, Lutz D. (2007). "(6097) Koishikawa". Dictionary of Minor Planet Names – (6097) Koishikawa. Springer Berlin Heidelberg. p. 509. doi:10.1007/978-3-540-29925-7_5644. ISBN 978-3-540-00238-3.
  3. ^ 小石川正弘さん死去 仙台市天文台元職員 星空の魅力伝える Archived 2020-08-28 at the Wayback Machine (in Japanese)