Assertion: asteroid | /r/CapableOf | dim to magnitude 11 on december
Facets:
value: at closest approach
type: TEMPORAL
value: slightly
type: DEGREE
value: on december
type: TEMPORAL
Source sentences:
text: The asteroid was bright enough to see in small telescopes, peaking at magnitude 10.8 between December 13–15 while dimming slightly to magnitude 11 on December 16 at closest approach.