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Post Info TOPIC: Asteroid 2009 HG60


L

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RE: Asteroid 2009 HG60
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The 80 - 180 metre wide asteroid 2009 HG60 made a close pass (9.6 Lunar Distances, 0.0246 AU), travelling at 18.21 km/s, to the Earth-Moon system on the 24th April 2009.

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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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2009 HE60
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -8.76
Palermo Scale (cumulative) -8.76
Impact Probability (cumulative) 5.5e-09
Number of Potential Impacts 1
Vimpact 13.31 km/s
Vinfinity 7.28 km/s
H 25.6
Diameter 0.025 km
Mass 2.2e+07 kg
Energy 4.6e-01 MT
all above are mean values
weighted by impact probability
Analysis based on
16 observations spanning 3.0287 days
(2009-Apr-24.23861 to 2009-Apr-27.26731)
Source

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L

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Orbital elements:
2009 HG60 Earth MOID = 0.0005 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 36.01613 (2000.0) P Q
n 0.35645359 Peri. 282.84091 -0.71368022 -0.69732213
a 1.9700053 Node 213.01852 +0.68059631 -0.66790806
e 0.6443910 Incl. 6.99393 +0.16567804 -0.26007822
P 2.77 H 22.6 G 0.15 U 8

MPEC 2009 - H63


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