TSUTOMU SEKI

Asteroids discovered: 223
2396 Kochi	February 9, 1981
2571 Geisei	October 23, 1981
2582 Harimaya-Bashi	September 26, 1981
2621 Goto	February 9, 1981
2835 Ryoma	November 20, 1982
2880 Nihondaira	February 8, 1983
2961 Katsurahama	December 7, 1982
3150 Tosa	February 11, 1983
3182 Shimanto	November 27, 1984
3262 Miune	November 28, 1983
3431 Nakano	August 24, 1984
3785 Kitami	November 30, 1986
3822 Segovia	February 21, 1988
3851 Alhambra	October 30, 1986
3914 Kotogahama	September 16, 1987
3935 Toatenmongakkai	August 14, 1987
4039 Souseki	September 17, 1987
4095 Ishizuchisan	September 16, 1987
4097 Tsurugisan	November 18, 1987
4101 Ruikou	February 8, 1988
4223 Shikoku	May 7, 1988
4256 Kagamigawa	October 3, 1986
4290 Heisei	October 30, 1989
4399 Ashizuri	October 21, 1984
4411 Kochibunkyo	January 3, 1990
4439 Muroto	November 2, 1984
4441 Toshie	January 26, 1985
4496 Kamimachi	December 9, 1988
4498 Shinkoyama	January 5, 1989
4505 Okamura	February 20, 1990
4578 Kurashiki	December 7, 1988
4606 Saheki	October 27, 1987
4639 Minox	March 5, 1989
4670 Yoshinogawa	December 19, 1987
4675 Ohboke	September 19, 1990
4841 Manjiro	October 28, 1989
4865 Sor	October 18, 1988
5058 Tarrega	July 28, 1987
5113 Kohno	January 19, 1988
5124 Muraoka	February 4, 1989
5141 Tachibana	December 16, 1990
5179 Takeshima	March 1, 1989
	February 13, 1989
5815 Shinsengumi	January 3, 1989
5823 Oryo	December 20, 1989
5824 Inagaki	December 24, 1989
5862 Sakanoue	January 13, 1983
5915 Yoshihiro	March 9, 1991
5962 Shikokutenkyo	April 18, 1990
5966 Tomeko	November 15, 1990
5969 Ryuichiro	March 17, 1991
6088 Hoshigakubo	October 18, 1988
6237 Chikushi	February 4, 1989
6244 Okamoto	August 20, 1990
6302 Tengukogen	February 2, 1989
6399 Harada	April 3, 1991
6449 Kudara	February 7, 1991
6458 Nouda	October 2, 1992
6497 Yamasaki	October 27, 1992
6514 Torahiko	November 25, 1987
6606 Makino	October 16, 1990
6660 Matsumoto	January 16, 1993
6699 Igaueno	December 19, 1987
6720 Gifu	November 11, 1990
6925 Susumu	October 24, 1993
6965 Niyodogawa	November 11, 1990
6971 Omogokei	February 8, 1992
7017 Uradowan	February 1, 1992
7094 Godaisan	September 4, 1992
7125 Eitarodate	February 7, 1991
7235 Hitsuzan	October 30, 1986
7274 Washioyama	March 21, 1982
7287 Yokokurayama	November 10, 1990
7289 Kamegamori	May 5, 1991
7410 Kawazoe	August 20, 1990
7415 Susumuimoto	November 14, 1990
7463 Oukawamine	September 20, 1985
7594 Shotaro	January 19, 1993
7650 Kaname	October 16, 1990
(7693) 1982 WE	November 20, 1982
8083 Mayeda	November 1, 1988
8163 Ishizaki	October 27, 1990
8234 Nobeoka	November 3, 1997
8367 Bokusui	October 23, 1990
8375 Kenzokohno	January 12, 1992
8387 Fujimori	February 19, 1993
8428 Okiko	November 3, 1997
8485 Satoru	March 29, 1989
8492 Kikuoka	January 21, 1990
8732 Champion	December 8, 1996
8877 Rentaro	January 19, 1993
8957 Koujounotsuki	March 22, 1998
9032 Tanakami	November 23, 1989
9062 Ohnishi	November 27, 1992
9063 Washi	December 17, 1992
9196 Sukagawa	November 27, 1992
9198 Sasagamine	January 25, 1993
9323 Hirohisasato	February 11, 1989
9409 Kanpuzan	January 25, 1995
9745 Shinkenwada	November 2, 1988
9751 Kadota	August 20, 1990
9756 Ezaki	February 12, 1991
(9852) 1990 YX	December 24, 1990
9870 Maehata	February 24, 1992
9964 Hideyonoguchi	February 13, 1992
10078 Stanthorpe	October 30, 1989
10091 Bandaisan	November 11, 1990
10094 Eijikato	February 20, 1991
10167 Yoshiwatiso	January 31, 1995
10300 Tanakadate	March 6, 1989
	October 26, 1990
(10547) 1992 JF	May 2, 1992
(10791) 1992 CS	February 8, 1992
	October 21, 1992
(10829) 1993 UU	October 22, 1993
(11288) 1990 XU	December 10, 1990
(11294) 1992 CK	February 4, 1992
(11296) 1992 KA	May 24, 1992
(11304) 1993 DJ	February 19, 1993
11321 Tosimatumoto	February 21, 1995
	February 28, 1998
(11516) 1991 ED	March 6, 1991
(11878) 1990 HJ	April 18, 1990
	December 23, 1992
(11927) 1993 BA	January 16, 1993
12084 Unno	March 22, 1998
	November 17, 1990
	November 21, 1992
	November 5, 1988
	October 15, 1990
(12749) 1993 CB	February 2, 1993
(13015) 1987 XC	December 14, 1987
	September 1, 1991
(13553) 1992 JE	May 2, 1992
(13569) 1993 EJ	March 4, 1993
(13918) 1984 QB	August 24, 1984
	November 2, 1988
(13978) 1992 JQ	May 4, 1992
(13989) 1993 BG	January 16, 1993
(14012) 1993 XG	December 6, 1993
	February 7, 1991
(15238) 1989 CQ	February 2, 1989
	July 20, 1990
	September 20, 1990
(15739) 1991 ER	March 9, 1991
(16503) 1990 TY	October 15, 1990
	March 17, 1993
	October 20, 1990
	November 11, 1990
17508 Takumadan	May 3, 1992
17509 Ikumadan	May 4, 1992
18365 Shimomoto	November 17, 1990
	November 25, 1992
	January 30, 1998
	March 2, 1998
	September 20, 1990
	October 15, 1990
(19197) 1992 EO	March 6, 1992
	December 25, 1992
	November 21, 1992
	January 31, 1995
21014 Daishi	October 13, 1988
21016 Miyazawaseiroku	November 2, 1988
21022 Ike	February 2, 1989
21089 Mochizuki	February 8, 1992
	January 19, 1993
(21166) 1993 XH	December 6, 1993
	October 14, 1996
	September 20, 1990
(23478) 1991 BZ	January 21, 1991
(23504) 1992 EX	March 7, 1992
	October 2, 1995
	December 11, 1996
(26092) 1987 SF	September 16, 1987
	November 6, 1988
(26123) 1992 OK	July 29, 1992
	January 19, 1993
	October 2, 1994
	September 7, 1991
	February 13, 1989
(27739) 1990 UV	October 17, 1990
	October 20, 1990
	February 13, 1993
	March 11, 1989
	October 26, 1990
(29199) 1991 FZ	March 17, 1991
	September 26, 1992
	January 25, 1993
	January 6, 1995
	February 7, 1991
(30879) 1992 KF	May 25, 1992
	January 19, 1993
	January 25, 1993
	January 21, 1990
	March 14, 1991
	October 14, 1996
(39558) 1992 KC	May 24, 1992
	September 26, 1992
	October 14, 1996
39809 Fukuchan	November 30, 1997
	December 3, 1996
	November 11, 1990
(43794) 1990 YP	December 19, 1990
	September 7, 1991
	November 15, 1993
(46580) 1992 GC	April 2, 1992
(46592) 1992 YP	December 16, 1992
	December 29, 1992
(46596) 1993 BD	January 16, 1993
(48482) 1992 CN	February 5, 1992
(48495) 1993 BB	January 16, 1993
	July 30, 1990
52455 Masamika	January 6, 1995
	November 20, 1989
	September 7, 1991
	September 7, 1991
	January 25, 1993
	January 30, 1998
	October 26, 1990
	October 27, 1992
	March 17, 1993
	November 11, 1990
	October 26, 1990

is a Japanese astronomer, born in Kochi, Japan.
He has discovered a number of comets, including the celebrated bright C/1965 S1 (Ikeya-Seki).
He has also discovered a large number of asteroids, including the Amor asteroid (13553) 1992 JE and the Trojan asteroid .
Many of his discoveries are named after famous sites in Kochi, such as Harimaya-bashi, Ryoma (after Sakamoto Ryoma), Katsurahama, and Kagami-gawa, to name a few.
Director of the Geisei Observatory in Kochi, and in charge of the Comet Section of the Oriental Astronomical Association.

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