Wiktionary
asteroidlike
a. Resembling or characteristic of an asteroid.
Usage examples of "asteroidlike".
It was a planet far beyond the realm of the solar system-light-years away from the Sun, even farther than the small belt of rocky asteroidlike objects that orbited just beyond the planet Pluto.
The frigate filled the front of the canopy now, an asteroidlike rock that was all Anakin could see.