Assertion: asteroid belt's asteroid | /r/HasAspect | small companion moon
Facets:
value: with having two moons
type: OTHER
Source sentences:
text: More than 150 asteroids are also known to have a small companion moon, with some having two moons.
text: More than 150 asteroids are known to have a small companion moon (some have two moons).
text: More than 150 asteroids are known to have a small companion moon (some have two moons).