18931973

18931973 is a notable asteroid in the solar system, discovered on October 16, 1973, by astronomers at the Purple Mountain Observatory in Nanjing, China. It is classified as a main-belt asteroid, orbiting the Sun between Mars and Jupiter. The asteroid is approximately 1.5 kilometers in diameter and has a rotation period of about 5.5 hours. Its orbital period is roughly 3.6 Earth years, and it has an eccentricity of 0.14, indicating a relatively stable orbit. 18931973 is named after the Purple Mountain Observatory, which has been a significant center for astronomical research in China. The asteroid's discovery and naming contribute to the ongoing efforts to catalog and study the numerous asteroids in the solar system, providing valuable data for understanding the formation and evolution of the solar system.