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Post Info TOPIC: Asteroid 2009 HX51
Blobrana


L

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RE: Asteroid 2009 HX51
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Orbital elements:
2009 HX51                                           PHA, Earth MOID = 0.0140 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M  74.27782              (2000.0)            P               Q
n   0.53740111     Peri.   53.85985     -0.48924349     -0.85270772
a   1.4983169      Node    66.41622     +0.72218263     -0.51380149
e   0.4057819      Incl.   11.52533     +0.48897142     -0.09432696
P   1.83           H   21.1           G   0.15           U   9

MPEC 2009 - H52

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Blobrana


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Posts: 131433
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2009 HX51
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.67
Palermo Scale (cumulative) -4.20
Impact Probability (cumulative) 5.2e-07
Number of Potential Impacts 152
Vimpact 15.62 km/s
Vinfinity 10.95 km/s
H 21.1
Diameter 0.200 km
Mass 1.1e+10 kg
Energy 3.2e+02 MT
all above are mean values
weighted by impact probability
Analysis based on
21 observations spanning .99569 days
(2009-Apr-23.35742 to 2009-Apr-24.35311)

Source

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