(5913) 1990 BU
Encyclopedia
1990 BU is a main-belt
minor planet
. It was discovered at the Yorii Observatory by Masaru Arai
and Hiroshi Mori
on January 20, 1990.
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...
minor planet
Minor planet
An asteroid group or minor-planet group is a population of minor planets that have a share broadly similar orbits. Members are generally unrelated to each other, unlike in an asteroid family, which often results from the break-up of a single asteroid...
. It was discovered at the Yorii Observatory by Masaru Arai
Masaru Arai
is a Japanese astronomer.He is a prolific discoverer of asteroids, working mainly in collaboration with Hiroshi Mori.Arai discovered Comet Arai on 5 January 1991.-External links:*...
and Hiroshi Mori
Hiroshi Mori (astronomer)
is a Japanese astronomer.He is a prolific discoverer of asteroids.-References:...
on January 20, 1990.