Tsuneo Niijima
Encyclopedia
is a Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

ese astronomer
Astronomer
An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

.

He is a prolific discoverer of asteroid
Asteroid
Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...

s.

He co-discovered the periodic comet
Comet
A comet is an icy small Solar System body that, when close enough to the Sun, displays a visible coma and sometimes also a tail. These phenomena are both due to the effects of solar radiation and the solar wind upon the nucleus of the comet...

 112P/Urata-Niijima
112P/Urata-Niijima
Comet Urata-Niijima is a periodic comet in the solar system discovered by Japanese astronomers Tsuneo Niijima and Takeshi Urata on October 30, 1986 at Ojima, the first orbit was calculated by Brian G. Marsden on November 5 giving an orbital period of 6.42 years.On October 20, 1993 the comet was...

.

Asteroid 5507 Niijima
5507 Niijima
5507 Niijima is a main-belt asteroid discovered on October 21, 1987 by Suzuki and Urata at Toyota.- External links :*...

is named after him.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK