Assertion: universe's object | /r/HasProperty | discovered with orbital period of 21 days
Facets:
value: on an eccentric orbit
type: LOCATION
value: on 8 december
type: TEMPORAL
Source sentences:
text: On 8 December 2017, the object YX205B9 was discovered with an orbital period of 21 days, on an eccentric orbit taking it from slightly beyond the geocentric satellite ring to almost twice the distance of the Moon.