minor planet
astronomical object in direct orbit around the Sun that is neither a planet nor a comet
asteroid
minor planet of the inner Solar System; not a comet
distant minor planet
minor planets orbiting in the outer Solar system beyond Jupiter which are not asteroids
meteoroid
sand- to boulder-sized particle of debris in the Solar System
dwarf planet
planetary-mass object in hydrostatic equilibrium which is not a satellite of another one, but which has still not significantly cleared its neighborhood to dominate it gravitationally and maintain its cohesion
minor planet group
population of minor planets that share broadly similar orbits