Asteroid 45003, also known as 1998 SH36, is a near-Earth asteroid that belongs to the Apollo group. It was discovered on September 29, 1998, and has an estimated diameter of about 1.2 kilometers. This asteroid orbits the Sun and crosses Earth's orbit, making it an object of interest for astronomers studying potential impacts. The orbit of Asteroid 45003 takes approximately 1.5 years to complete one revolution around the Sun. Its path brings it relatively close to Earth, but it is not considered a significant threat. Ongoing observations help scientists track its trajectory and understand its characteristics better.