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A list of minor planets discovered by Tsutomu Seki

(Recognized as of August 15, 2011)

This is a list of the registered minor planets discovered by Seki. Web page links have been being built gradually for better understanding of the naming of minor planets.

  Number OrbitChart Discovery Date Name Remarks
1 2396 Feb.9, 1981 Kochi Kochi City, Japan
Web-page>>
2 2571 Oct. 23, 1981 Geisei Geisei Village, Kochi, Japan
3 2582 Sep. 26, 1981 Harimayabashi Harimaya Bridge(A famous bridge in Kochi)
4 2621 Feb. 9, 1981 Goto Saizo Goto(Former President of Goto Optical Mfg.Co.)
5 2835 Nov.20, 1982 Ryoma Ryoma Sakamoto(a samurai hero from Kochi)
6 2880 Feb.8, 1983 Nihondaira a place name in Shizuoka, Japan
7 2961 Dec.7,1982 Katsurahama a famous beach in Kochi
8 3150 Feb.11, 1983 Tosa the old name of Kochi
9 3182 Nov.27, 1984 Shimanto Shimanto River in Kochi
10 3262 Nov.28, 1983 Miune a mountain in Kochi
11 3431 Aug.24, 1984 Nakano Syuichi Nakano(amateur astronomer)
12 3785 Nov.30, 1986 Kitami Kitami City Hokkaido, Japan
13 3822 Feb.21, 1988 Segovia a Spanish classical guitarist
14 3851 Oct.30, 1986 Alhambra a Spanish palace
15 3914 Sep.16, 1987 Kotogahama a beach in Geisei, Kochi
16 3935 Aug.14, 1987 Toatenmongakkai Oriental Astronomical Association
Web-page>>
17 4039 Sep.17, 1987 Soseki Soseki Natsume(a novelist in Meiji Period)
18 4095 Sep.16, 1987 Ishizuchisan a mountain in Ehime, Japan
19 4097 Nov.18, 1987 Tsurugisan a mountain in Tokushima, Japan
20 4101 Feb.8, 1988 Ruiko Ruiko Kuroiwa(a writer from Kochi)
21 4223 May 7, 1988 Shikoku Shikoku Island, Japan
22 4256 Oct.3, 1986 Kagamigawa Kagami River in Kochi
23 4290 Oct.30, 1989 Heisei The name of the current Japanese rein era
24 4399 Oct.21, 1984 Ashizuri Cape Ashizuri in Kochi
25 4411 Jan.3, 1990 Kochibunkyo Kochi Prefecture Cultural and Education Association
Web-page>>
26 4439 Nov.2, 1984 Muroto Muroto City, Kochi, Japan
27 4441 Jan.26, 1985 Toshie Toshie Seki (Tsutomu Seki's mother)
28 4496 Dec.9, 1988 Kamimachi Seki's birthplace
29 4498 Jan.5, 1989 Shinkoyama Shin Koyama (a Japanese astronomer)
30 4505 Feb.20, 1990 Okamura Keiichiro Okamura (Headmaster)
31 4578 Dec.7, 1988 Kurashiki Kurashiki City Okayama, Japan
32 4606 Oct.27, 1987 Saheki Tsuneo Saheki(an amateur astronomer)
33 4639 Mar.5, 1989 Minox A mini-camera club
34 4670 Dec.19, 1987 Yoshinogawa Yoshino River in Shikoku(Japan)
35 4675 Sep.19, 1990 Ohboke Oboke Gorge
36 4841 Oct.28, 1989 Manjiro John Manjiro(a historical figure)
37 4865 Oct.18, 1988 Sor A classical guitarist composer
38 5058 July 28, 1987 Tarrega A classical guitarist-composer
39 5113 Jan.19, 1988 Kohno Masaru Kohno(a classical guitar maker)
40 5124 Feb.4, 1989 Muraoka Kenji Muraoka(an amateur astronomer)
41 5141 Dec.16, 1990 Tachibana A kendo club
42 5179 Mar.1, 1989 Takeshima Toshio Takeshima(an Iai master)
43 5209 Feb.13, 1989 to be named 1989 CW1 (a Trojan asteroid)
44 5815 Jan.3, 1989 Shinsengumi a famous group of samurai warriors
45 5823 Dec.20, 1989 Oryo the samurai hero Ryoma Sakamoto's wife
46 5824 Dec.24, 1989 Inagaki Minoru Inagaki (a classical guitarist)
Minoru Inagaki Web Page>>
47 5862 Jan.13, 1983 Sakanoue Tsutomu Sakanoue(an astronomer-meteorologist)
48 5915 Mar.9, 1991 Yoshihiro Yoshihiro Yamada(an astronomy educator)
49 5962 Apr.18, 1990 Shikokutenkyo Astronomical Society of Shikoku
50 5966 Nov.15, 1990 Tomeko Tomeko Goto(wife of Seizo Goto,
the former president of Goto Optical Mfg.Co.)
51 5969 Mar.17, 1990 Ryuichiro Ryuichiro Goto,
(the current president of Goto Optical Mfg.Co.)
52 6088 Oct.18, 1988 Hoshigakubo a place name in Kochi
53 6237 Feb.4, 1989 Chikushi the old name of Fukuoka Prefecture
54 6244 Aug.20, 1990 Okamoto Hiroshi Okamoto(Seki's primary school teacher)
55 6302 Feb.2, 1989 Tengukogen a mountain in Shikoku
56 6399 Apr.3, 1991 Harada Shoji Harada (an amateur astronomer)
57 6449 Feb.7, 1991 Kudara Kyoyu Kudara (an astronomer)
58 6458 Oct.2, 1992 Nouda Tadasuke Nouda(an astronomer)
59 6497 Oct.27, 1992 Yamasaki Masamitsu Yamasaki(an astronomer)
60 6514 Nov.25, 1987 Torahiko Torahiko Terada(a physicist)
61 6606 Oct.16, 1990 Makino Tomitaro Makino(a botanist)
62 6660 Jan.16, 1993 Matsumoto Tatsujiro Matsumoto(a Mars observer)
63 6699 Dec.19, 1987 Igaueno Ueno City, Mie, Japan
64 6720 Nov.11, 1990 Gifu Gifu City, Japan
65 6925 Oct.24, 1993 Susumu Susumu Yamamoto
(a director, Oriental Astronomical Association)
66 6965 Nov.11, 1990 Niyodogawa Niyodo River, Kochi
67 6971 Feb.8, 1992 Omogokei a gorge in Ehime
68 7017 Feb.1, 1992 Uradowan Urado Bay, Kochi
69 7094 Sep.4, 1992 Godaisan a mountain in Kochi
70 7125 Feb.7, 1991 Eitarodate Eitaro Date(an amateur astronomer)
71 7235 Oct.30, 1986 Hitsuzan a mountain in Kochi
72 7274 Mar.21, 1982 Washioyama a mountain in Kochi
73 7287 Nov.10, 1990 Yokokurayama a mountain in Kochi
74 7289 May 5, 1991 Kamegamori a mountain in Kochi
75 7410 Aug.20, 1990 Kawazoe Akira Kawazoe(an amateur astronomer)
76 7415 Nov.14, 1990 Susumuimoto Susumu Imoto(an amateur astronomer)
77 7463 Sep.20, 1985 Ohkawamine a mountain in Shikoku
78 7594 Jan.19, 1993 Shotaro Shotaro Miyamoto(an astronomer)
79 7650 Oct.16, 1990 Kaname Kaname Nakamura(an amateur astronomer)
80 7693 Nov.20, 1982 to be named 1982 WE
81 8083 Nov.1, 1988 Mayeda Shizuo Mayeda(an amateur astronomer)
82 8163 Oct.27, 1990 Ishizaki Masako Ishizaki(an amateur astronomer)
83 8234 Nov.3, 1997 Nobeoka a city in Kyushu(the birthplace of the poet Bokusui)
84 8367 Oct.23, 1990 Bokusui Bokusui Wakayama(a poet)
85 8375 Jan.12. 1992 Kenzokohno Kenzo Kohno(an amateur astronomer)
86 8387 Feb.19, 1993 Fujimori Kenichi Fujimori(an solar observer)
87 8428 Nov.3, 1997 Okiko Okiko Seki(Tsutomu Seki's wife)
88 8485 Mar 29, 1989 Satoru Satoru Honda(The comet hunter Minoru Honda's wife)
89 8492 Jan.21, 1990 Kikuoka Hidekazu Kikuoka(an amateur astronomer)
90 8732 Dec.8, 1996 Champion Frank Champion(the first flyer)
91 8877 Jan.19, 1993 Rentaro Rentaro Taki(a composer)
92 8957 Mar.22, 1998 Koujounotsuki music composed by Rentaro Taki
93 9032 Nov.23, 1989 Tanakami the site of discovery of Japan's largest meteorite
94 9062 Nov.27, 1992 Ohnishi Michikazu Ohnishi(an amateur astronomer)
95 9063 Dec.17, 1992 Washi Shinsho Washi(an amateur astronomer)
96 9196 Nov.27, 1992 Sukagawa a city in Fukushima, Japan
97 9198 Jan.25, 1993 Sasagamine a mountain in Shikoku
98 9323 Feb.11, 1989 Hirohisasato Hirohisa Sato(an amateur astronomer)
Hirohisa Sato's web-page>>
99 9409 Jan.25, 1995 Kanpuzan a mountain in Shikoku
100 9745 Nov.2, 1988 Shinkenwada Shinken Wada (a former NHK announcer)
101 9751 Aug.20, 1990 Kadota KenIchi Kadota (an amateur astronomer)
102 9756 Feb.12, 1991 Ezaki Yusuke Ezaki (an amateur astronomer)
Yusuke Ezaki's web-page>>
103 9852 Dec.24, 1990 to be named 1990 YX
104 9870 Feb.24, 1992 Maehata A gold medalist in swimming at the Berlin Olympics (1936)
105 9964 Feb.13, 1992 Hideyonoguchi Hideyo Noguchi (a medical researcher)
106 10078 Oct.30, 1989 Stanthorpe A town in south-east Queensland, Australia
Web-page>>
107 10091 Nov.11, 1990 Bandaisan a mountain in Fukushima Prefecture
108 10094 Feb.20, 1991 Eijikato Eiji Kato (an amateur astronomer)
TWINSTAR GUESTHOUSE & OBSERVATORY
109 10167 Jan.31, 1995 Yoshiwatiso Yoshikazu Watanabe (a meteor observer) and his
mother's maiden name
110 10300 Mar.6, 1989 Tanakadate Aikitsu Tanakadate (a physicist)
111 10321 Oct.26, 1990 Rampo Rampo Edogawa (a mystery writer)
112 10547 May 2, 1992 Yosakoi a summer festival in Kochi
113 10791 Feb.8, 1992 to be named 1992 CS
114 10803 Oct.21, 1992 Caleyo Jose M. Caleyo
A Cuban jazz composer; composed the music Ikeya-Seki
115 10829 Oct.22, 1993 Matsuobasho Matsuo Basho (a Haikai poet)
116 11288 Dec.10, 1990 Okunohosomichi Haikai travel jounal by Matsuo Basho
117 11294 Feb.4, 1992 to be named 1992 CK
118 11296 May 24, 1992 Denzen Aoudou Denzen
A western-style painter
119 11304 Feb.19, 1993 to be named 1993 DJ
120 11321 Feb.21, 1995 Tosimatumoto Toshikazu Matsumoto (an amateur astronomer)
121 11361 Feb.28, 1998 Orbinskij Artemij Orbinkij (a Russian astronomer)
122 11516 Mar.6, 1991 Arthurpage Arthur Page
An Australian amateur astronomer
123 11878 Apr.18, 1990 Hanamiyama Hanamiyama
Mountain in Fukushima city
124 11925 Dec.23, 1992 to be named 1992 YA1
125 11927 Jan.16, 1993 Mount Kent Mt Kent Observatory, Australia
Web-page>>
126 12084 Mar.22, 1998 Unno Juza Unno, a mystery writer
127 12277 Nov.17, 1990 to be named 1990 WN2
128 12335 Nov.21, 1992 to be named 1992 WJ3
129 12690 Nov.5, 1998 to be named 1998 VG1
130 12706 Oct.15, 1990 to be named 1990 TE1
131 12749 Feb.2, 1993 to be named 1993 CB
132 13015 Dec.14, 1987 to be named 1987 XC
133 13529 Sep.1, 1991 Yokaboshi a local astronomical group in Japan
134 13553 May 2, 1992 Masaakikoyama a Japanese professional baseball player
135 13569 Mar.4, 1993 Oshu Oshu City in Iwate Prefecture
136 13918 Aug.24, 1984 Tsukinada the sea off the town of Otsuki, Kochi
137 13933 Nov.2, 1988 Charleville an Outback town of Queensland, Australia
Cosmos Centre | Murweh
138 13978 May 4, 1992 Hiwasa a coastal town in Tokushima
139 13989 Jan.16, 1993 Murikabushi Ishigakijima Astronomical Observatory's telescope
140 14012 Dec.6, 1993 Amedee an island of Numea, New Caledonia
141 14880 Feb.7, 1991 Moa an extinct flightless bird of New Zealand
142 15238 Feb.2, 1989 Hisaohori Hisao Hori, an amateur astronomer
143 15252 July 20, 1990 to be named 1990 OD1
144 15723 Sep.20, 1990 Girraween Girraween National Park in Queensland, Australia
145 15739 Mar.9, 1991 Matsukuma a Japanese astronomer
146 16503 Oct.15, 1990 to be named 1990 TY
147 16602 Mar.17, 1993 Anabuki Katsuhiko Anabuki, an amateur astronomer
148 17461 Oct.20, 1990 to be named 1990 UD1
149 17465 Nov.11, 1990 Inawashiroko a lake in Fukushima
150 17508 May 3, 1992 Takumadan Takuma Dan(an astronomer)
151 17509 May 4, 1992 Ikumadan Ikuma Dan(a composer)
152 18365 Nov.17, 1990 Shimomoto Shigeo Shimomoto (an amateur astronomer)
Shigeo Shimomoto's web-page>>
153 18400 Nov.25, 1992 to be named 1992 WY3
154 18609 Jan.30, 1998 to be named 1998 BN48
155 18644 Mar.2, 1998 to be named 1998 EX14
156 19156 Sep.20, 1990 to be named 1990 SE4
157 19161 Oct.15, 1990 to be named 1990 TQ1
158 19197 Mar.6, 1992 to be named 1992 EO
159 19210 Dec.25, 1992 to be named 1992 YE4
160 20040 Nov.21, 1992 to be named 1992 WT3
161 20102 Jan.31, 1995 Takasago a city in Hyogo
162 21014 Oct.13, 1988 Daishi Tsutomu Seki's primary school
163 21016 Nov.2, 1988 Miyazawaseiroku Seiroku Miyazawa(a brother of Kenji Miyazawa)
164 21022 Feb.2, 1989 Ike Koichi Ike (comet hunter, Seki's close friend)
165 21089 Feb.8, 1992 Mochizuki Seiji Mochizuki
(The designer of the Geisei Observatory telescope)
166 21126 Jan.19, 1993 Katsuyoshi Katsumi Yoshimi, an astrophotographer,
who contributed to Tsutomu Seki's discoveries
167 21166 Dec.6, 1993 to be named 1993 XH
168 21282 Oct.14, 1996 to be named 1996 TD15
169 23468 Sep.20, 1990 Kannabe a plateau in Toyooka city, Japan
170 23478 Jan.21, 1991 to be named 1991 BZ
171 23504 Mar.7, 1992 Haneda Toshio Haneda (an amateur astronomer)
172 23587 Oct.2, 1995 Abukumado a limestone cave in Fukushima Prefecture
173 24889 Dec.11, 1996 to be named 1996 XU32
174 26092 Sep.16, 1987 to be named 1987 SF
175 26097 Nov.6, 1988 to be named 1988 VJ1
176 26123 July 29, 1992 to be named 1992 OK
177 26127 Jan.19, 1993 Otakasakajyo Kochi Castle
178 26151 Oct.2, 1994 Irinokaigan a beach in Kochi
179 26837 Sep.7, 1991 to be named 1991 RF1
180 27716 Feb.13, 1989 Nobuyuki Nobuyuki Yamaguchi
An emeritus professor; Geisei Observatory staff
181 27739 Oct.17, 1990 Kimihiro Kimihiro Matsumoto (a teacher; Geisei Observatory staff member)
182 27740 Oct.20, 1990 Obatomoyuki Tomoyuki Oba (a teacher; Geisei Observatory staff member)
183 27790 Feb.13, 1993 to be named 1993 CG1
184 29157 Mar.11, 1989 Higashinihon East Japan
185 29186 Oct.26, 1990 Lake Tekapo A lake in New Zealand
more...
186 29199 Mar.17, 1991 Himeji Himeji city in Hyogo prefecture
official website
187 29249 Sep.26, 1992 Hiraizumi Hiraizumi-cho in Iwate prefecture
official website
188 29252 Jan.25, 1993 Konjikido The Golden Hall of Chusonji Temple, a Buddhist temple in Iwate prefecture
more...
189 29337 Jan.6, 1995 Hakurojo Hakurojo Castle (Himeji Castle)
official website
190 30838 Feb.7, 1991 to be named 1991 CM1
191 30879 May 25, 1992 Hiroshikanai Hiroshi Kanai
A miniature camera enthusiast
192 30888 Jan.19, 1993 Okitsumisaki a promontory in western Kochi prefecture, Japan
193 32858 Jan.25, 1993 Kitakamigawa the largest river in the Tohoku District, Japan
194 35076 Jan.21, 1990 Yataro Yataro Iwasaki, an important figure in the campaign for the Meiji Restoration
more...
195 35093 Mar.14, 1991 Akicity Aki city in Kochi prefecture
official website
196 37729 Oct.14, 1996 Akiratakao Akira Takao
An amateur astronomer and neurologist
197 39558 May 24, 1992 Kishine Junichiro Kishine
An amateur astronomer and theoretical physicist
198 39566 Sep.26, 1992 Carllewis Carl Lewis, a track and field athlete
more...
199 39712 Oct.14, 1996 to be named 1996 TJ54
200 39809 Nov.30, 1997 Fukuchan The hero of comics.
Yokoyama Memorial Manga Museum>>
201 42566 Dec.3, 1996 to be named 1996 XQ25
202 43792 Dec.19, 1990 to be named 1990 VY1
203 43794 Dec.19,1990 Yabetakemoto Akihiko Yabe and Akikazu Takemoto,
Japanese Masters Games swimmers who had set many Japanese records
204 43803 Jan.9, 1991 to be named 1991 RH2
205 43857 Nov.15, 1993 to be named 1993 VP2
206 46580 Apr.2, 1992 to be named 1992 GC
207 46592 Dec.16, 1992 to be named 1992 YP
208 46595 Dec.29, 1992 Kita-Kyushu Kita-Kyushu city in Fukuoka prefecture
209 46596 Jan.16, 1993 Tobata A ward in Kita-Kyushu city
210 48482 Feb.5, 1992 Oruki a word in Kochi dialect
211 48495 Jan.16, 1993 Ryugado a limestone cave in Kochi Prefecture
212 52285 July.30, 1990 to be named 1990 OX2
213 52455 Jan.6, 1995 Masamika Masaaki and Mika Takanashi, (meteor observers)
214 58164 Nov.20, 1989 to be named 1989 WV3
215 58184 Sep.7, 1991 to be named 1991 RG1
216 58185 Sep.7, 1991 Rokkosan a mountain in Kobe
217 65716 Jan.25, 1993 Ohkinohama a beach in Kochi
218 65894 Jan.30, 1998 Echizenmisaki a promontory in Fukui
219 79130 Oct.26, 1990 Bandanomori A mountain in Kochi prefecture
220 79149 Oct.27, 1992 Kajigamori A mountain in Kochi prefecture
221 79152 Mar.17, 1993 Abukumagawa A major river in the Tohoku District
more...
222 90713 Nov.11, 1991 Chajnantor a place name in Republic of Chile
223 120462 Oct.26.1990 to be named 1990 UE2
The following discovery was made by a team of observers at Geisei Observatory led by Tsutomu Seki. The team was established in 2008.
1 237276 Dec 2, 2008 Nakama A Japanese word
The name was chosen based on suggestions from the public (up to junior high school age).



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