[FPSPACE] Yet another little terrorist from outer space
dstdba at post4.tele.dk
Mon May 11 13:52:11 EDT 2009
It's a nasty piece of work, is 2009 HC82.
Discovered by the Catalina Sky Survey in Arizona
less than a fortnight ago on the morning of 29 April,
2009 HC82 - inclined 155° to the plane of the Earth's
orbit - is only the 20th asteroid known in a retrograde
orbit. None of the others come close to the Earth.
In fact, the 2-3 kilometre-wide asteroid ventures
so perilously close to the Earth's orbit that it's
labelled a PHA ( Potentially Hazardous Asteroid )
by the MPC ( Minor Planet Center).
According to the MPC's Brian Marsden the size and
shape of the new asteroid's orbit "is very like
Encke's comet except for inclination," :
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