This remarkable footage shows the flyby of asteroid 2012 TC4 during the night of 11/12 October 2017. At the time this was recorded, the estimated 10-20 m-diameter asteroid was approaching Earth. It made its closest approach at 07:41 CEST on 12 October, just 43 782 km away – much closer than the Moon and inside the orbit of some satellites.
This was captured by astronomers Peter Schlatter and Dominik Bodenmann working at the ZIMLAT telescope at the Swiss Optical Ground Station and Geodynamics Observatory operated by the Astronomical Institute of the University of Bern (AIUB).
Credit: AIUB http://www.aiub.unibe.ch
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