The December 2018 close approach by the large, near-Earth asteroid 2003 SD220 has provided astronomers an outstanding opportunity to obtain detailed radar images of the surface and shape of the object and to improve the understanding of its orbit.
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2018/12/181221162221.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2018/12/181221162221.htm
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