139776

139776 is a minor planet in the asteroid belt, located between the orbits of Mars and Jupiter. It was discovered on 22 September 2001, by astronomers at the Lincoln Laboratory ETS in Socorro, New Mexico, as part of the Lincoln Near-Earth Asteroid Research (LINEAR) project. The asteroid is approximately 4.5 kilometers in diameter and has an orbital period of about 4.2 years. Its orbit is inclined at an angle of 1.6 degrees to the ecliptic plane, and it has an eccentricity of 0.15, indicating a relatively circular orbit. The asteroid's spectral type is unknown, but it is likely a C-type asteroid, which are composed of carbonaceous chondrites and are among the most common types of asteroids in the asteroid belt. 139776 has not been visited by any spacecraft, and its physical characteristics, such as its shape and rotation period, are not well known. However, it is an interesting object for study, as it provides insights into the composition and evolution of the asteroid belt.