Masaru Arai

Masaru Arai (新井 優, Arai Masaru, born 1952) is a Japanese amateur astronomer and a discoverer of minor planets and comets.[2]

Minor planets discovered: 45 [1]
see § List of discovered minor planets

He is credited by the Minor Planet Center with the discovery of 45 minor planets during 1988–1991, all in collaboration with astronomer Hiroshi Mori.[1] On 5 January 1991, he has also discovered Comet Arai, C/1991 A2.[3][4]

The main-belt asteroid 21082 Araimasaru, discovered by Tsutomu Hioki and Shuji Hayakawa at Okutama in 1991, was named in his honor.[2] Naming citation was published on 6 January 2003 (M.P.C. 47301).[5]

List of discovered minor planets
3823 Yorii10 March 1988list [A]
3996 Fugaku5 December 1988list [A]
4262 DeVorkin5 February 1989list [A]
4291 Kodaihasu2 November 1989list [A]
4495 Dassanowsky6 November 1988list [A]
4901 Ó Briain3 November 1988list [A]
(5732) 1988 WC29 November 1988list [A]
(5746) 1991 CK5 February 1991list [A]
(5913) 1990 BU21 January 1990list [A]
6299 Reizoutoyoko5 December 1988list [A]
(6325) 1991 EA114 March 1991list [A]
6380 Gardel10 February 1988list [A]
(6638) 1989 CA2 February 1989list [A]
(6703) 1988 CH10 February 1988list [A]
(6704) 1988 CJ10 February 1988list [A]
6709 Hiromiyuki2 February 1989list [A]
(6823) 1988 ED112 March 1988list [A]
(6900) 1988 XD12 December 1988list [A]
(7409) 1990 BS21 January 1990list [A]
(7417) 1990 YE19 December 1990list [A]
(7522) 1991 AJ9 January 1991list [A]
(7570) 1989 CP5 February 1989list [A]
(7576) 1990 BN21 January 1990list [A]
(7643) 1988 VQ16 November 1988list [A]
(8484) 1988 VM210 November 1988list [A]
(8506) 1991 CN5 February 1991list [A]
(9952) 1991 AK9 January 1991list [A]
10776 Musashitomiyo12 February 1991list [A]
(11038) 1989 EE18 March 1989list [A]
11515 Oshijyo12 February 1991list [A]
(12255) 1988 XR17 December 1988list [A]
13017 Owakenoomi18 March 1988list [A]
(15737) 1991 CL5 February 1991list [A]
(16431) 1988 VH16 November 1988list [A]
(16432) 1988 VL210 November 1988list [A]
(16526) 1991 DC17 February 1991list [A]
(19979) 1989 VJ2 November 1989list [A]
(20001) 1991 CM5 February 1991list [A]
(21017) 1988 VP3 November 1988list [A]
(23479) 1991 CG5 February 1991list [A]
(39537) 1990 VV212 November 1990list [A]
(43773) 1989 AJ4 January 1989list [A]
(48436) 1989 VK2 November 1989list [A]
(52269) 1988 CU13 February 1988list [A]
(65677) 1989 EB11 March 1989list [A]
Co-discovery made with: A H. Mori

References
  1. "Minor Planet Discoverers (by number)". Minor Planet Center. 16 November 2016. Retrieved 3 January 2017.
  2. Schmadel, Lutz D. (2006). "(21082) Araimasaru [2.57, 0.31, 6.0]". Dictionary of Minor Planet Names – (21082) Araimasaru, Addendum to Fifth Edition: 2003–2005. Springer Berlin Heidelberg. p. 164. doi:10.1007/978-3-540-34361-5_1884. ISBN 978-3-540-34361-5.
  3. "JPL Small-Body Database Browser: C/1991 A2 (Arai)". Jet Propulsion Laboratory. Retrieved 3 January 2017.
  4. British Astronomical Association (2008). British Astronomical Association circular.
  5. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 3 January 2017.


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