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Post Info TOPIC: Asteroid 2009 NA
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Asteroid 2009 NA
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Orbital elements:
2009 NA                                                  Earth MOID = 0.2472 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 337.90918              (2000.0)            P               Q
n   0.24110249     Peri.  101.55114     +0.96739744     -0.18435665
a   2.5566322      Node   269.24990     +0.10443283     +0.91502411
e   0.5435407      Incl.   10.00105     +0.23072921     +0.35880844
P   4.09           H   17.6           G   0.15
From 19 observations 2009 July 1-2.

MPEC 2009 - N06

2009 NA
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.72
Palermo Scale (cumulative) -4.32
Impact Probability (cumulative) 1.2e-08
Number of Potential Impacts 42
Vimpact 13.09 km/s
Vinfinity 6.87 km/s
H 18.4
Diameter 0.707 km
Mass 4.8e+11 kg
Energy 9.8e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
19 observations spanning 1.2888 days
(2009-Jul-01.09164 to 2009-Jul-02.38041)

Source

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