Near-Earth asteroid 2015 GA1: an image (13 Apr. 2015)
Near-Earth Asteroid 2015 GA1: 13 Apr. 2015
Next 16 April 2015, at 07:11 UT, the near-Earth asteroid 2015 GA1 will have a very close encounter with our planet. With an estimated diameter of ~20 meters, this asteroid will reach a minimum distance from us of about 960.000 km, that is 2.5 times the mean distance of the Moon. Of course, there are not risks of collisions at all.
The image above is a single 300-seconds exposures, remotely taken with the PlaneWave 17 robotic unit part of the Virtual Telescope. The robotic mount tracked the fast apparent motion of the asteroid, so stars are trailing, while the asteroid is perfectly tracked.
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