1. resembling or having the characteristics of a planetoid or asteroid
Usage: astronomy; technical

Examples

• The spacecraft detected several planetoidal objects in the outer solar system.
• Scientists studied the planetoidal debris left over from the formation of our solar system.
• The telescope captured images of planetoidal bodies orbiting between Mars and Jupiter.
• Researchers analyzed the planetoidal material collected from the asteroid belt.
• The mission focused on mapping planetoidal fragments near Earth’s orbit.