Assertion: asteroid | /r/CapableOf | make its closest approach
Facets:
value: on 8 september
type: TEMPORAL
value: before its discovery
type: TEMPORAL
value: at 0.2054 au
type: TEMPORAL
Source sentences:
text: On 8 September 1911, shortly before its discovery, it made its closest approach at 0.2054 AU (30,700,000 km).