181809

181809 is a minor planet in the asteroid belt, discovered on September 24, 1960, by the Indiana Asteroid Program at Goethe Link Observatory. It is named after the year of its discovery, 1960. The asteroid has a diameter of approximately 10 kilometers and orbits the Sun with a semi-major axis of about 2.7 astronomical units. Its orbital period is roughly 4.4 Earth years, and it has an eccentricity of 0.12. The asteroid's rotation period is estimated to be around 5.5 hours. 181809 is classified as a main-belt asteroid, specifically an S-type asteroid, which indicates a silicate-rich surface composition. Its spectral characteristics suggest a primitive, undifferentiated body, likely composed of materials that have not undergone significant differentiation processes. The asteroid's orbit is relatively stable, with no significant perturbations from nearby planets. 181809 is not a target for any specific missions or studies, but it remains an interesting object for astronomers studying the composition and dynamics of the asteroid belt.