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Blobrana · L

RE: Asteroid 2009 WP6

Blobrana · L

2009 WP6
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-5.62
Palermo Scale (cumulative)	-4.95
Impact Probability (cumulative)	4.9e-05
Number of Potential Impacts	119

V_impact	27.75 km/s
V_infinity	25.41 km/s
H	26.8
Diameter	0.015 km
Mass	4.5e+06 kg
Energy	4.2e-01 MT
all above are mean values weighted by impact probability

Analysis based on
15 observations spanning .92628 days
(2009-Nov-18.25267 to 2009-Nov-19.17895)

Blobrana · L

Orbital elements:
2009 WP6                                                 Earth MOID = 0.0010 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  80.47783              (2000.0)            P               Q
n   0.83257271     Peri.  228.02342     +0.21549945     +0.97572853
a   1.1190632      Node    54.46201     -0.88119173     +0.21148032
e   0.7352785      Incl.    2.74060     -0.42078632     +0.05683229
P   1.18           H   26.8           G   0.15           U   9

MPEC 2009 - W40

The 12 - 26 metre wide asteroid 2009 WP6 made a close pass (0.7 Lunar Distances, 0.0018 AU), travelling at 25.37 km/s, to the Earth-Moon system on the 15th November, 2009.

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).