Tsuneo Niijima
{{Short description|Japanese farmer and amateur astronomer}}
{{Use dmy dates|date=March 2020}}
| class="wikitable floatright" style="font-size: 0.9em; width: 270px;"
|+ Minor planets discovered: 32 | |
| see {{section link | List of discovered minor planets}} |
{{nihongo|Tsuneo Niijima|新島 恒男|Niijima Tsuneo|born 1955}} is a Japanese farmer and amateur astronomer.
He is a prolific discoverer of minor planets, credited by the Minor Planet Center with the discovery and co-discovery of 32 numbered minor planets between 1986 and 1996. He also co-discovered 112P/Urata-Niijima, a periodic comet of the Jupiter family in 1986.
The main-belt asteroid 5507 Niijima, discovered by Takeshi Urata and Kenzo Suzuki, was named in his honor. Naming citation was published on 1 September 1993 ({{small|M.P.C. 22510}}).
List of discovered minor planets
{{See also|Category:Discoveries by Tsuneo Niijima}}
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| 3565 Ojima | 22 December 1986 | {{small|{{LoMP|3565|list}}}}{{ref label|codisc|A |
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| 3585 Goshirakawa || 28 January 1987|| {{small|{{LoMP|3585|list}}}}{{ref label|codisc|A|}}
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| 3686 Antoku || 3 March 1987|| {{small|{{LoMP|3686|list}}}}{{ref label|codisc|A|}}
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| 4375 Kiyomori || 28 February 1987|| {{small|{{LoMP|4375|list}}}}{{ref label|codisc|A|}}
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| 4376 Shigemori || 20 March 1987|| {{small|{{LoMP|4376|list}}}}{{ref label|codisc|A|}}
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| 4377 Koremori || 4 April 1987|| {{small|{{LoMP|4377|list}}}}{{ref label|codisc|A|}}
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| 4402 Tsunemori || 25 February 1987|| {{small|{{LoMP|4402|list}}}}{{ref label|codisc|A|}}
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| 4574 Yoshinaka || 20 December 1986|| {{small|{{LoMP|4574|list}}}}{{ref label|codisc|A|}}
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| 4767 Sutoku || 4 April 1987|| {{small|{{LoMP|4767|list}}}}{{ref label|codisc|A|}}
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| 4896 Tomoegozen || 20 December 1986|| {{small|{{LoMP|4896|list}}}}{{ref label|codisc|A|}}
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| 5578 Takakura || 28 January 1987|| {{small|{{LoMP|5578|list}}}}{{ref label|codisc|A|}}
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| 5830 Simohiro || 9 March 1991|| {{small|{{LoMP|5830|list}}}}{{ref label|codisc|A|}}
|}
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| 5912 Oyatoshiyuki | 20 December 1989 | {{small|{{LoMP|5912|list}}}}{{ref label|codisc|A |
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| 6158 Shosanbetsu || 12 November 1991|| {{small|{{LoMP|6158|list}}}}{{ref label|codisc|A|}}
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| 7139 Tsubokawa || 14 February 1994|| {{small|{{LoMP|7139|list}}}}{{ref label|codisc|A|}}
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| 7202 Kigoshi || 19 February 1995|| {{small|{{LoMP|7202|list}}}}{{ref label|codisc|A|}}
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| {{mpl|(7748) 1987 TA}} || 12 October 1987|| {{small|{{LoMP|7748|list}}}}{{ref label|codisc|A|}}
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| 7752 Otauchunokai || 31 October 1988|| {{small|{{LoMP|7752|list}}}}{{ref label|codisc|B|}}
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| 8344 Babette || 25 January 1987|| {{small|{{LoMP|8344|list}}}}{{ref label|codisc|A|}}
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| {{mp|(8565) 1995 WB|6}} || 24 November 1995|| {{small|{{LoMP|8565|list}}}}{{ref label|codisc|A|}}
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| 10162 Issunboushi || 2 January 1995|| {{small|{{LoMP|10162|list}}}}{{ref label|codisc|A|}}
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| 10727 Akitsushima || 25 February 1987|| {{small|{{LoMP|10727|list}}}}{{ref label|codisc|A|}}
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| {{mp|(13148) 1995 EF}} || 1 March 1995|| {{small|{{LoMP|13148|list}}}}{{ref label|codisc|A|}}
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| {{mp|(17406) 1987 DO}} || 25 February 1987|| {{small|{{LoMP|17406|list}}}}{{ref label|codisc|A|}}
|}
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| 17472 Dinah | 17 March 1991 | {{small|{{LoMP|17472|list}}}}{{ref label|codisc|A |
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| {{mp|(20999) 1987 BF}} || 28 January 1987|| {{small|{{LoMP|20999|list}}}}{{ref label|codisc|A|}}
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| {{mp|(23476) 1990 VE|4}} || 15 November 1990|| {{small|{{LoMP|23476|list}}}}{{ref label|codisc|A|}}
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| 26168 Kanaikiyotaka || 24 November 1995|| {{small|{{LoMP|26168|list}}}}
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| 26170 Kazuhiko || 24 January 1996|| {{small|{{LoMP|26170|list}}}}
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| {{mp|(39637) 1995 EG}} || 1 March 1995|| {{small|{{LoMP|39637|list}}}}{{ref label|codisc|A|}}
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| {{mp|(39664) 1995 WW|4}} || 20 November 1995|| {{small|{{LoMP|39664|list}}}}{{ref label|codisc|A|}}
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| {{mp|(58147) 1986 WK}} || 29 November 1986|| {{small|{{LoMP|58147|list}}}}{{ref label|codisc|A|}}
|-
! colspan=3 style="font-weight: normal; text-align: left; padding: 4px 12px 40px 12px;" |Co-discovery made with:
{{note label|codisc|A|}} T. Urata
{{note label|codisc|B|}} K. Kanai
|}
{{clear}}
References
{{reflist
|refs=
|title = Minor Planet Discoverers (by number)
|work = Minor Planet Center
|url = http://www.minorplanetcenter.net/iau/lists/MPDiscsNum.html
|date = 4 September 2016
|accessdate = 27 October 2016}}
|title = JPL Small-Body Database Browser: 112P/Urata-Niijima
|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1000113
|publisher = Jet Propulsion Laboratory
|accessdate = 23 July 2016}}
|title = Dictionary of Minor Planet Names – (5507) Niijima
|last = Schmadel | first = Lutz D.
|publisher = Springer Berlin Heidelberg
|page = 470
|date = 2007
|isbn = 978-3-540-00238-3
|doi = 10.1007/978-3-540-29925-7_5261 |chapter = (5507) Niijima }}
|title = MPC/MPO/MPS Archive
|work = Minor Planet Center
|url = http://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html
|accessdate = 23 July 2016}}
}}
{{Authority control}}
{{DEFAULTSORT:Niijima, Tsuneo}}
Category:20th-century Japanese astronomers
Category:Discoverers of asteroids
Category:Scientists from Gunma Prefecture
{{japan-astronomer-stub}}