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Post Info TOPIC: Asteroid 2011 TN9


L

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RE: Asteroid 2011 TN9
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The 160 - 350 metre wide asteroid 2011 TN9 made a close pass (24.5 lunar distances, 0.0631 AU), travelling at 6.79 km/second, to the Earth-Moon system on the 10th October, 2011 @ 04:27 UT ±1 day 07:50.

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).



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L

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Orbital elements:
2011 TN9                                            PHA, Earth MOID = 0.0444 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 347.46254              (2000.0)            P               Q
n   0.37630386     Peri.  162.97548     +0.99897726     -0.03856308
a   1.9001021      Node   199.28090     +0.02844461     +0.94184475
e   0.4513727      Incl.    4.09990     +0.03514752     +0.33382834
P   2.62           H   21.1           G   0.15           U   8

MPEC 2011 - T56



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