Assertion: asteroid's satellite | /r/HasProperty | designated s/2017 1131
Facets:
Source sentences:
text: Based on observations made during a stellar occultation by Amalthea of a 10th-magnitude star on 14 March 2017, it was announced in July 2017 that the asteroid has a small, 5-kilometer-sized satellite, provisionally designated S/2017 (113) 1.