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Post Info TOPIC: Asteroid 2012 HK31


L

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RE: Asteroid 2012 HK31
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The 22 - 50 metre wide asteroid 2012 HK31 will make a close pass (70.3 lunar distances, 0.1807 AU), travelling at 3.86 km/second, to the Earth-Moon system on the 20th December, 2012 @ 02:33 UT ±00:11. 

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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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Update:
The 22 - 50 metre wide asteroid 2012 HK31 will make a close pass (13.1 lunar distances, 0.0336 AU), travelling at 3.03 km/second, to the Earth-Moon system on the 4th June, 2012 @ 00:30 UT ±00:03. 

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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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Orbital elements:
2012 HK31                                                Earth MOID = 0.0145 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 231.53170              (2000.0)            P               Q
n   0.88713705     Peri.   96.77831     +0.76899486     +0.63868176
a   1.0726933      Node   223.53277     -0.60093254     +0.70780784
e   0.1217631      Incl.    2.25199     -0.21800684     +0.30181727
P   1.11           H   25.7           G   0.15           U   9

MPEC 2012 - H87

The 20 - 45 metre wide asteroid 2012 HK31 will make a close pass (13.7 lunar distances, 0.0353 AU), travelling at 2.84 km/second, to the Earth-Moon system on the 6th June, 2012 @ 02:58 UT ±2 days08:36. 

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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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