209544

209544 is a minor planet in the outer region of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 17 October 2004, by astronomers at the Palomar Observatory in California, United States. The asteroid is classified as a C-type, indicating it has a carbonaceous composition, which is common among asteroids in the outer belt. Its orbit has a semi-major axis of about 3.1 astronomical units (AU), with an orbital period of approximately 5.6 Earth years. The asteroid's rotation period is estimated to be around 12.5 hours. Due to its size and composition, 209544 is of interest to scientists studying the early solar system and the formation of planets. It is not known to have any moons or to be part of any known asteroid family.