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Post Info TOPIC: Asteroid 2011 BH39
Blobrana


L

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RE: Asteroid 2011 BH39
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2011 BH39
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -6.53
Palermo Scale (cumulative) -5.92
Impact Probability (cumulative) 6.8e-07
Number of Potential Impacts 195
Vimpact 19.68 km/s
Vinfinity 16.22 km/s
H 25.4
Diameter 0.028 km
Mass 3.1e+07 kg
Energy 1.4e+00 MT
all above are mean values
weighted by impact probability
Analysis based on
21 observations spanning .16019 days
(2011-Jan-30.22278 to 2011-Jan-30.38297)



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Blobrana


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The 22 - 50 metre wide asteroid 2011 BH39 will make a close pass (12.6 lunar distances, 0.0324 AU), travelling at 14.02 km/second, to the Earth-Moon system on the 6th February, 2011 @ 10:47 UT ±06:23.

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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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Blobrana


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Orbital elements:
2011 BH39                                                Earth MOID = 0.0215 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M 320.56853              (2000.0)            P               Q
n   0.70822427     Peri.   96.90002     -0.70054020     +0.70214808
a   1.2464901      Node   127.79961     -0.70171537     -0.64532867
e   0.4389817      Incl.    9.27870     -0.12976507     -0.30089696
P   1.39           H   25.4           G   0.15           U   8

MPEC 2011 - B68

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