That maneuver won't actually come until later next year, and the flight back to Earth will take another three years, so we won't actually get any asteroid bits from Bennu until late 2023 at the earliest.
Lokhu kuqondisa ngeke kwenzeke kuze kube unyaka olandelayo, kanti futhi ukubuyela endizeni eMhlabeni kuzothatha eminye iminyaka emithathu, ngakho-ke ngeke sithole noma yiliphi iBennu asteroid bit ngaphambi kokuphela konyaka we-2023 ekuqaleni.