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Tsutomu Seki

Tsutomu Seki (関 勉, Seki Tsutomu, born November 3, 1930) is a Japanese amateur astronomer and discoverer of minor planets and comets, born in Kōchi, Japan.

Career

Tsutomu Seki is the Director of the Geisei Observatory in Kōchi, and in charge of the Comet Section of the Oriental Astronomical Association. Between 1961 and 1970, he had visually discovered six comets, including C/1965 S1 (Ikeya-Seki), the well known great comet of 1965.[2]

He has also discovered a large number of asteroids such as 13553 Masaakikoyama and (5209) 1989 CW1, a near-Earth Amor asteroid and a Jupiter trojan, respectively. Many of his discoveries are named after famous sites in Kōchi, such as Harimaya-bashi, Ryōma (after Sakamoto Ryōma), Katsurahama beach, and Kagami-gawa.

Awards and honors

Asteroid 3426 Seki, discovered by Karl Reinmuth at the Heidelberg Observatory in 1932, was named in his honor.[2] The official naming citation was published by the Minor Planet Center on 16 December 1986 (M.P.C. 11443).[3]

List of discovered minor planets

See also

References

  1. ^ "Minor Planet Discoverers (by number)". Minor Planet Center. 11 July 2018. Retrieved 18 July 2018.
  2. ^ a b Schmadel, Lutz D. (2007). "(3426) Seki". Dictionary of Minor Planet Names – (3426) Seki. Springer Berlin Heidelberg. p. 286. doi:10.1007/978-3-540-29925-7_3426. ISBN 978-3-540-00238-3.
  3. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 18 July 2018.

External links