Assertion: asteroid | /r/HasAspect | companion
Facets:
Source sentences:
text: There were other similar reports of asteroids having companions (usually referred to as satellites) in the following years.
text: As early as 1978, following a stellar occultation, 532 Herculina had been suggested to have a moon and there were reports of other asteroids having companions (usually referred to as satellites) in the following years.
text: A letter in Sky & Telescope magazine at this time pointed to pairs of large craters (e.g. the Clearwater Lakes in Quebec) also suggesting asteroids having companions.