Question

A small round object that orbits the sun

Answer 1

ANSWER : if it directly orbits the sun itself, it's an asteroid or it could be planets because planets also orbit the sun as well

Answer 2

a Asteroid or you can name it a DwarfPlanet, DwarfPlanets are Planets that Orbit Round the Sun.

Extra information:

Asteroids are small, rocky objects that orbit the Sun. Although asteroids orbit the Sun like planets, they are much smaller than planets. Asteroids are small, rocky objects that orbit the sun. Although asteroids orbit the sun like planets, they are much smaller than planets.

More information:

Dwarf Planets A dwarf planet is a spherical object that orbits the Sun and is not a moon of another planet. Unlike a planet, a dwarf planet does not have more mass than all the objects in nearby orbits.