Ascientist discovers a new object in the kuiper belt and claims it is a dwarf planet. what would have to be true about the object for the scientist to be correct?

a. the object would have to be irregularly shaped, have an atmosphere, and be traveling in a path with other objects.
b. the object would have to be irregularly shaped, orbit the sun, and be traveling in a path free from other objects.
c. the object would have to be spherical, orbit the sun, and be traveling in a path with other objects.
d. the object would have to be spherical, have an atmosphere, and be traveling in a path free from other objects.