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Post Info TOPIC: Asteroid 2011 SF108
Blobrana


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RE: Asteroid 2011 SF108
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Amateur skywatchers help space hazards team

For the first time, observations coordinated by ESA's space hazards team have found an asteroid that comes close enough to Earth to pose an impact threat. The space rock was found by amateur astronomers, highlighting the value of 'crowd-sourcing' to science and planetary defence.
 The discovery of asteroid 2011 SF108 was made by the volunteer Teide Observatory Tenerife Asteroid Survey (TOTAS) team during an observation slot sponsored by ESA's Space Situational Awareness (SSA) programme in September.
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Orbital elements:
2011 SF108                                               Earth MOID = 0.1879 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M  23.48436              (2000.0)            P               Q
n   0.32085719     Peri.  282.33269     +0.33059238     +0.94366519
a   2.1131396      Node     7.02187     -0.81403930     +0.29278584
e   0.4517748      Incl.    6.72089     -0.47754444     +0.15418321
P   3.07           H   20.5           G   0.15           U   9

MPEC 2011 - S86



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