Asteroid 2020 JJ is estimated to be between nine and 20 feet (2.7 to 6 meters) across, making it a pretty puny little hunk of space junk. Consider that asteroid 1998 OR2, which made headlines recently for its close pass (not nearly as close as 2020 JJ), is a mile across.
from Pocket https://ift.tt/3dzX07R
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