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A Miss is as Good as a Mile… Part 1

8 Jun 2009, 00:02 UTC
A Miss is as Good as a Mile… Part 1
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JPL Small-Body Database Browser.
21 metre wide space-rock 2009 KR21 whizzed past the Earth and Moon at a distance of 285,000 and 150,000 km respectively on June 1st. If it had been but 0.0019 AU or 0.001 AU closer to either, then it would’ve collided. The relative velocity was 12.87 km/s and 13.87 km/s respectively, so [...]

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