3785 Kitami, provisional designation , is a carbonaceous Themistian
asteroid
An asteroid is a minor planet—an object larger than a meteoroid that is neither a planet nor an identified comet—that orbits within the Solar System#Inner Solar System, inner Solar System or is co-orbital with Jupiter (Trojan asteroids). As ...
from the outer region of the
asteroid belt
The asteroid belt is a torus-shaped region in the Solar System, centered on the Sun and roughly spanning the space between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies called asteroids ...
, approximately 19 kilometers in diameter. The asteroid was discovered by Japanese astronomer Tsutomu Seki at Geisei Observatory on 30 November 1986, and named after the city of
Kitami
is a city in Okhotsk Subprefecture, Hokkaido, Japan. It is the most populous city and the commercial center in the subprefecture, although the subprefecture capital is Abashiri.
Kitami is physically in the middle of Okhotsk Subprefecture. Th ...
, Japan.
Orbit and classification
The
C-type asteroid
C-type (carbonaceous ) asteroids are the most common variety, forming around 75% of known asteroids. They are volatile-rich and distinguished by a very low albedo because their composition includes a large amount of carbon, in addition to rocks ...
is a member of the
Themis family
The Themis family (''adj. Themistian''; ) is a family of carbonaceous asteroids located in the outer portion of the asteroid belt, at a mean distance of 3.13 AU from the Sun. It is one of the largest families with over 4700 known members, and c ...
, a dynamical family of outer-belt asteroids with nearly coplanar ecliptical orbits. It orbits the Sun in the