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Encyclopedia > Tsutomu Seki

Tsutomu Seki (関勉) (born November 3, 1930) is a Japanese astronomer, born in Kochi, Japan. November 3 is the 307th day of the year (308th in leap years) in the Gregorian Calendar, with 58 days remaining. ... 1930 is a common year starting on Wednesday. ... An astronomer or astrophysicist is a scientist whose area of research is astronomy or astrophysics. ... Kochi is both a city in India and a city/prefecture in Japan. ...


He has discovered a number of comets, including the celebrated bright C/1965 S1 (Ikeya-Seki). Comet Hale-Bopp, showing a white dust tail and blue gas tail (February 1997) A comet is a small astronomical object similar to an asteroid but composed largely of ice. ... Comet Ikeya-Seki (C/1965 S1) was a comet discovered independently by Kaoru Ikeya and Tsutomu Seki. ...


He has also discovered a large number of asteroids, including the Amor asteroid (13553) 1992 JE and the Trojan asteroid (5209) 1989 CW1. An asteroid is a small, solid object in our Solar System, orbiting the Sun. ... The Amor asteroids are a group of near-Earth asteroids named after the asteroid 1221 Amor. ... As originally defined, Trojan asteroids have a semi-major axis between 5. ...


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. Kochi is both a city in India and a city/prefecture in Japan. ... Samurai Sakamoto Ryoma Sakamoto Ryōma (坂本 龍馬 Sakamoto Ryōma January 3, 1836 - December 10, 1867) was born in Kochi, of Tosa han. ...


Director of the Geisei Observatory in Kochi, and in charge of the Comet Section of the Oriental Astronomical Association


External link

  • Tsutomu Seki homepage
Asteroids discovered: 218
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 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 1992 DA February 24, 1992
9964 1992 CF1 February 13, 1992
10078 1989 UJ3 October 30, 1989
10091 1990 VD3 November 11, 1990
10094 1991 DK February 20, 1991
10167 1995 BQ15 January 31, 1995
10300 1989 EG1 March 6, 1989
10321 1990 UN2 October 26, 1990
10547 1992 JF May 2, 1992
10791 1992 CS February 8, 1992
10803 1992 UK9 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
11361 1998 DD36 February 28, 1998
11516 1991 ED March 6, 1991
11878 1990 HJ April 18, 1990
11925 1992 YA1 December 23, 1992
11927 1993 BA January 16, 1993
12084 1998 FL125 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 1991 RE1 September 1, 1991
13553 1992 JE May 2, 1992
13569 1993 EJ March 4, 1993
13918 1984 QB August 24, 1984
13933 1988 VE1 November 2, 1988
13978 1992 JQ May 4, 1992
13989 1993 BG January 16, 1993
14012 1993 XG December 6, 1993
14880 1991 CJ1 February 7, 1991
15238 1989 CQ February 2, 1989
15252 1990 OD1 July 20, 1990
15723 1990 SA2 September 20, 1990
15739 1991 ER March 9, 1991
16503 1990 TY October 15, 1990
16602 1993 FY3 March 17, 1993
17461 1990 UD1 October 20, 1990
17465 1990 VU3 November 11, 1990
17508 Takumadan May 3, 1992
17509 Ikumadan May 4, 1992
18365 1990 WN5 November 17, 1990
18400 1992 WY3 November 25, 1992
18609 1998 BN48 January 30, 1998
18644 1998 EX14 March 2, 1998
19156 1990 SE4 September 20, 1990
19161 1990 TQ1 October 15, 1990
19197 1992 EO March 6, 1992
19210 1992 YE4 December 25, 1992
20040 1992 WT3 November 21, 1992
20102 1995 BP15 January 31, 1995
21014 Daishi October 13, 1988
21016 Miyazawaseiroku November 2, 1988
21022 Ike February 2, 1989
21089 Mochizuki February 8, 1992
21126 1993 BJ2 January 19, 1993
21166 1993 XH December 6, 1993
21282 1996 TD15 October 14, 1996
23468 1990 SS3 September 20, 1990
23478 1991 BZ January 21, 1991
23504 1992 EX March 7, 1992
23587 1995 TE8 October 2, 1995
24889 1996 XU32 December 11, 1996
26092 1987 SF September 16, 1987
26097 1988 VJ1 November 6, 1988
26123 1992 OK July 29, 1992
26127 1993 BL2 January 19, 1993
26151 1994 TT3 October 2, 1994
26837 1991 RF1 September 7, 1991
27716 1989 CX1 February 13, 1989
27739 1990 UV October 17, 1990
27740 1990 UC1 October 20, 1990
27790 1993 CG1 February 13, 1993
29157 1989 ET1 March 11, 1989
29186 1990 UD2 October 26, 1990
29199 1991 FZ March 17, 1991
29249 1992 SN12 September 26, 1992
29252 1993 BY2 January 25, 1993
29337 1995 AE1 January 6, 1995
30838 1991 CM1 February 7, 1991
30879 1992 KF May 25, 1992
30888 1993 BG2 January 19, 1993
32858 1993 BA3 January 25, 1993
35076 1990 BA1 January 21, 1990
35093 1991 EH1 March 14, 1991
37729 1996 TK54 October 14, 1996
39558 1992 KC May 24, 1992
39566 1992 SQ1 September 26, 1992
39712 1996 TJ54 October 14, 1996
39809 1997 WB30 November 30, 1997
42566 1996 XQ25 December 3, 1996
43792 1990 VY1 November 11, 1990
43794 1990 YP December 19, 1990
43803 1991 RH2 September 7, 1991
43857 1993 VP2 November 15, 1993
46580 1992 GC April 2, 1992
46592 1992 YP December 16, 1992
46595 1992 YB4 December 29, 1992
46596 1993 BD January 16, 1993
48482 1992 CN February 5, 1992
48495 1993 BB January 16, 1993
52285 1990 OX2 July 30, 1990
52455 Masamika January 6, 1995
58164 1989 WV3 November 20, 1989
58184 1991 RG1 September 7, 1991
58185 1991 RH1 September 7, 1991
65716 1993 BZ2 January 25, 1993
65894 1998 BO48 January 30, 1998

  Results from FactBites:
 
Encyclopedia: Tsutomu Seki (7049 words)
Tsutomu Seki (関勉) (born November 3, 1930) is a Japanese astronomer, born in Kochi, Japan.
Comet Hale-Bopp, showing a white dust tail and blue gas tail (February 1997) A comet is a small astronomical object similar to an asteroid but composed largely of ice.
Asteroid 5141 Tachibana was discovered on December 16, 1990, by Tsutomu Seki at Geisei.
Seki Takakazu --  Encyclopædia Britannica (493 words)
also called Seki Kowa the most important figure of the wasan (“Japanese calculation”) tradition (see mathematics, East Asian: Japan in the 17th century) that flourished from the early 17th century until the opening of Japan to the West in the mid-19th century.
Seki was instrumental in recovering neglected and forgotten mathematical knowledge from ancient Chinese…
Seki was instrumental in recovering neglected and forgotten mathematical knowledge from ancient Chinese sources and then extending and...
  More results at FactBites »


 
 

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