Tsutomu Seki
| Asteroids disc : 225 | |
|---|---|
| 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 |
| (5209) 1989 CW1 | 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 Hoshitakuhai | 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 Gora | 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 |
| 10321 Rampo | October 26, 1990 |
| 10547 Yosakoi | May 2, 1992 |
| (10791) 1992 CS | February 8, 1992 |
| 10803 Caléyo | October 21, 1992 |
| 10829 Matsuobasho | October 22, 1993 |
| 11288 Okunohosomichi | December 10, 1990 |
| (11294) 1992 CK | February 4, 1992 |
| 11296 Denzen | May 24, 1992 |
| 11304 Cowra | February 19, 1993 |
| 11321 Tosimatumoto | February 21, 1995 |
| 11361 Orbinskij | February 28, 1998 |
| 11516 Arthurpage | March 6, 1991 |
| 11878 Hanamiyama | April 18, 1990 |
| (11925) 1992 YA1 | December 23, 1992 |
| 11927 Mount Kent | January 16, 1993 |
| 12084 Unno | March 22, 1998 |
| (12277) 1990 WN2 | November 17, 1990 |
| (12335) 1992 WJ3 | November 21, 1992 |
| (12690) 1988 VG1 | November 5, 1988 |
| (12706) 1990 TE1 | October 15, 1990 |
| (12749) 1993 CB | February 2, 1993 |
| (13015) 1987 XC | December 14, 1987 |
| 13529 Yokaboshi | September 1, 1991 |
| 13553 Masaakikoyama | May 2, 1992 |
| 13569 Oshu | March 4, 1993 |
| 13918 Tsukinada | August 24, 1984 |
| 13933 Charleville | November 2, 1988 |
| 13978 Hiwasa | May 4, 1992 |
| 13989 Murikabushi | January 16, 1993 |
| 14012 Amedee | December 6, 1993 |
| 14880 Moa | February 7, 1991 |
| 15238 Hisaohori | February 2, 1989 |
| 15252 Yoshiken | July 20, 1990 |
| 15723 Girraween | September 20, 1990 |
| 15739 Matsukuma | March 9, 1991 |
| (16503) 1990 TY | October 15, 1990 |
| 16602 Anabuki | March 17, 1993 |
| (17461) 1990 UD1 | October 20, 1990 |
| 17465 Inawashiroko | November 11, 1990 |
| 17508 Takumadan | May 3, 1992 |
| 17509 Ikumadan | May 4, 1992 |
| 18365 Shimomoto | November 17, 1990 |
| (18400) 1992 WY3 | November 25, 1992 |
| (18609) 1998 BN48 | January 30, 1998 |
| (18644) 1998 EX14 | March 2, 1998 |
| 19156 Heco | September 20, 1990 |
| (19161) 1990 TQ1 | October 15, 1990 |
| 19197 Akasaki | March 6, 1992 |
| (19210) 1992 YE4 | December 25, 1992 |
| (20040) 1992 WT3 | November 21, 1992 |
| 20102 Takasago | January 31, 1995 |
| 21014 Daishi | October 13, 1988 |
| 21016 Miyazawaseiroku | November 2, 1988 |
| 21022 Ike | February 2, 1989 |
| 21089 Mochizuki | February 8, 1992 |
| 21126 Katsuyoshi | January 19, 1993 |
| (21166) 1993 XH | December 6, 1993 |
| (21282) 1996 TD15 | October 14, 1996 |
| 23468 Kannabe | September 20, 1990 |
| (23478) 1991 BZ | January 21, 1991 |
| 23504 Haneda | March 7, 1992 |
| 23587 Abukumado | October 2, 1995 |
| 24889 Tamurahosinomura | December 11, 1996 |
| (26092) 1987 SF | September 16, 1987 |
| (26097) 1988 VJ1 | November 6, 1988 |
| (26123) 1992 OK | July 29, 1992 |
| 26127 Otakasakajyo | January 19, 1993 |
| 26151 Irinokaigan | October 2, 1994 |
| (26837) 1991 RF1 | September 7, 1991 |
| 27716 Nobuyuki | February 13, 1989 |
| 27739 Kimihiro | October 17, 1990 |
| 27740 Obatomoyuki | October 20, 1990 |
| (27790) 1993 CG1 | February 13, 1993 |
| 29157 Higashinihon | March 11, 1989 |
| 29186 Lake Tekapo | October 26, 1990 |
| 29199 Himeji | March 17, 1991 |
| 29249 Hiraizumi | September 26, 1992 |
| 29252 Konjikido | January 25, 1993 |
| 29337 Hakurojo | January 6, 1995 |
| (30838) 1991 CM1 | February 7, 1991 |
| 30879 Hiroshikanai | May 25, 1992 |
| 30888 Okitsumisaki | January 19, 1993 |
| 32858 Kitakamigawa | January 25, 1993 |
| 35076 Yataro | January 21, 1990 |
| 35093 Akicity | March 14, 1991 |
| 37729 Akiratakao | October 14, 1996 |
| 39558 Kishine | May 24, 1992 |
| 39566 Carllewis | September 26, 1992 |
| (39712) 1996 TJ54 | October 14, 1996 |
| 39809 Fukuchan | November 30, 1997 |
| (42566) 1996 XQ25 | December 3, 1996 |
| (43792) 1990 VY1 | November 11, 1990 |
| 43794 Yabetakemoto | December 19, 1990 |
| (43803) 1991 RH2 | September 7, 1991 |
| (43857) 1993 VP2 | November 15, 1993 |
| 46580 Ryouichiirie | April 2, 1992 |
| (46592) 1992 YP | December 16, 1992 |
| 46595 Kita-Kyushu | December 29, 1992 |
| 46596 Tobata | January 16, 1993 |
| 48482 Oruki | February 5, 1992 |
| 48495 Ryugado | January 16, 1993 |
| 52285 Kakurinji | July 30, 1990 |
| 52455 Masamika | January 6, 1995 |
| (58164) 1989 WV3 | November 20, 1989 |
| 58184 Masayukiyamamoto | September 7, 1991 |
| 58185 Rokkosan | September 7, 1991 |
| 65716 Ohkinohama | January 25, 1993 |
| 65894 Echizenmisaki | January 30, 1998 |
| 79130 Bandanomori | October 26, 1990 |
| 79149 Kajigamori | October 27, 1992 |
| 79152 Abukumagawa | March 17, 1993 |
| 90713 Chajnantor | November 11, 1990 |
| (120462) 1990 UE2 | October 26, 1990 |
| 237276 Nakama | December 2, 2008 |
| (321821) 2010 RT46 | September 3, 2010 |
In this Japanese name, the family name is "Seki".
Tsutomu Seki (関 勉 Seki Tsutomu, born November 3, 1930) is a Japanese astronomer, born in Kōchi, 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 (5209) 1989 CW1.
Many of his discoveries are named after famous sites in Kōchi, such as Harimaya-bashi, Ryōma (after Sakamoto Ryōma), Katsurahama, and Kagami-gawa, to name a few.
He is Director of the Geisei Observatory in Kōchi, and in charge of the Comet Section of the Oriental Astronomical Association.