2. where are asteroids located within our solar system?

Asteroids are located in orbits of other planets such as Mars, and Jupiter. There are belts of asteroids around the solar system "behind mars, and next to Jupiter." They orbit the planets and they also have the "Main Asteroid belt which circles around planets 1-4.

Hope this helps!

kepler used the data from tycho blahe (his mentor) to construct the laws of planetary motion.