Near-Earth asteroid 2020 KJ4 extremely close encounter: a image – 27 May 2020
Late last May, the near-Earth asteroid 2020 KJ4 safely came very close to us, reaching a minimum distance from the Earth of about 142000 km, 1/3rd of the average distance of the Moon. We captured this image, a few hours before the flyby.
The image shown above comes from a single, 300-seconds exposure, remotely taken with the “Elena” (PlaneWave 17″+Paramount ME+SBIG STL-6303E) robotic unit available at Virtual Telescope. The telescope tracked the fast apparent motion of the asteroid, this is why stars show as long trails, while the asteroid looks like a faint, but sharp dot of light in the center of the image, marked by an arrow..
This 2.8 – 6.2 meters large asteroid reached its minimum distance (about 142000 km) from us on 28 May 2020, at 13:21 UTC. Of course, there were no risks at all for our planet.
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