| 4106 Nada[1] | March 6, 1989 |
| 4797 Ako[1] | September 30, 1989 |
| 5401 Minamioda[1] | March 6, 1989 |
| 5685 Sanenobufukui[1] | December 8, 1990 |
| 5737 Itoh[1] | September 30, 1989 |
| 5872 Sugano[1] | September 30, 1989 |
| 6155 Yokosugano[1] | November 11, 1990 |
| 6557 Yokonomura[1] | November 11, 1990 |
| 6559 Nomura[2] | May 3, 1991 |
| 7178 Ikuookamoto[1] | November 11, 1990 |
| 9580 Tarumi[1] | October 4, 1989 |
| 10318 Sumaura[1] | October 15, 1990 |
| 14873 Shoyo[2] | October 28, 1990 |
Kōyō Kawanishi (川西 浩陽,Kawanishi Kōyō; born January 18, 1959) is a Japanesedentist, amateurastronomer and discoverer of 13minor planets.[1][2]
He lives in the city ofAkō in theHyōgo Prefecture, Japan, where his privateMinami-Oda Observatory (374) is located.[3] At the observatory, he observes comets and minor planets using his home-made 0.20-m reflector telescope together with his wife Kumi and daughter Saki. Familiar with electronics and mechanics, he has also developed his own CCD instrumentation.[2]
The asteroid5591 Koyo, discovered by Japanese astronomerTakeshi Urata, was named in his honour.[2]
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