4644 Oumu
Encyclopedia
4644 Oumu is a main-belt
asteroid
discovered on September 16, 1990 by Atsushi Takahashi
and Kazuro Watanabe
at Kitami Observatory
.
Asteroid belt
The asteroid belt is the region of the Solar System located roughly between the orbits of the planets Mars and Jupiter. It is occupied by numerous irregularly shaped bodies called asteroids or minor planets...
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...
discovered on September 16, 1990 by Atsushi Takahashi
Atsushi Takahashi
is a Japanese astronomer and a member of the group Hokkaido Showakusei Suisei Kaigi. With his colleague Kazuro Watanabe he discovered 22 asteroids between 1989 and 1991, including the asteroid 4644 Oumu in 1990...
and Kazuro Watanabe
Kazuro Watanabe
is an amateur Japanese astronomer. He was born in Hokkaidō, Japan and is a member of the Astronomical Society of Japan and Oriental Astronomical Association....
at Kitami Observatory
Kitami Observatory
Kitami Observatory is an observatory in the Kitami-Abashiri Region Cultural Centre in eastern Hokkaidō, Japan. Its observatory code is 400. It is 0.72344 Earth radii from the rotation axis and +0.68811 Earth radii from the equatorial plane, 143.7827 degrees east of Greenwich.-Notes:...
.