Answer:
Pluto, Pluto's Moons, and other asteroids
Step-by-step explanation:
The Kuiper Belt is just another Asteroid belt but on the outside of the solar system and Pluto is a dwarf-planet, a large asteroid that is spherical like a planet and has the same characteristics as planets but way too small, that was found in the belt along with some moons. Asteroids were also found in the kuiper belt, a lot of them were really big asteroids. (The answer might just be pluto depending if it wants one object as the answer)
Hope this helps you. :)