Mesartim

Example:While Ceres is a dwarf planet, Mesartim is a moon, representing opposite categories in celestial bodies.

Definition:A large celestial body that orbits a star, distinct from moons or asteroids that do not orbit stars on their own.

Example:Mesartim differs from asteroids as it is a moon, not a small independent object.

Definition:A small, rocky body that orbits the sun, which is distinct from moons, like Mesartim.