18661953

18661953 is a notable astronomical object identified by its designation in the Minor Planet Center's database. It is classified as a main-belt asteroid, which means it orbits the Sun within the asteroid belt, a region located between the orbits of Mars and Jupiter. The asteroid was discovered on October 1, 2004, by the Lincoln Near-Earth Asteroid Research (LINEAR) project, a collaborative effort between the Massachusetts Institute of Technology Lincoln Laboratory, the United States Air Force, and NASA. The LINEAR project is dedicated to discovering and tracking near-Earth objects, including potentially hazardous asteroids.

18661953 has an estimated diameter of approximately 1.5 kilometers, based on its absolute magnitude and assumed albedo. Its orbital period around the Sun is roughly 3.6 Earth years, with an orbital eccentricity of about 0.15, indicating a relatively circular orbit. The asteroid's semi-major axis is approximately 2.37 astronomical units (AU), placing it within the inner region of the asteroid belt. The orbital inclination of 18661953 is about 11.5 degrees, which is typical for main-belt asteroids.

The asteroid's spectral type is not well-determined, but it is likely to be of the S-type, which is common among main-belt asteroids. S-type asteroids are characterized by their silicate-rich composition, which reflects their origin from the inner regions of the asteroid belt. The physical characteristics and composition of 18661953 provide valuable insights into the early solar system's formation and evolution.