Assertion: asteroid's discoverer | /r/HasAspect | 10 years
Facets:
value: to pick a name
type: PURPOSE
value: usually
type: TEMPORAL
Source sentences:
text: The privilege of naming a planet is first given to discoverers, who have 10 years to propose a name.
text: Usually the discoverer has up to 10 years to pick a name; many minor planets now remain unnamed.