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Post Info TOPIC: Asteroid 2009 HF82
Blobrana


L

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RE: Asteroid 2009 HF82
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2009 HF82
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -6.19
Palermo Scale (cumulative) -5.93
Impact Probability (cumulative) 5.1e-09
Number of Potential Impacts 7
Vimpact 19.66 km/s
Vinfinity 16.20 km/s
H 20.8
Diameter 0.230 km
Mass 1.7e+10 kg
Energy 7.9e+02 MT
all above are mean values
weighted by impact probability
Analysis based on
13 observations spanning .90132 days
(2009-Apr-30.2914 to 2009-May-01.19272)

Source

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Blobrana


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Posts: 131433
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Orbital elements:
2009 HF82                                                Earth MOID = 0.0851 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 150.69692              (2000.0)            P               Q
n   0.60103274     Peri.   22.32213     +0.47421037     -0.79381446
a   1.3906056      Node    42.25360     +0.69773579     +0.07509614
e   0.3611362      Incl.   34.49043     +0.53692578     +0.60350573
P   1.64           H   20.4           G   0.15           U   9

MPEC 2009 - J07

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