Assertion: asteroid's diameter | /r/HasProperty | derived
Facets:
value: from the equation
type: OTHER
Source sentences:
text: }  The resulting minimum diameter of 580 km is derived from the equation, whereis the absolute magnitude of Gonggong, andis the albedo of Gonggong, which in this case is assumed to be 1. ^  Under good conditions, the unaided human eye can detect objects with a visual magnitude of around +7.4 or lower.