* Astronomy

Blobrana · L

RE: Asteroid 2009 WG104

Blobrana · L

Orbital elements:
2009 WG104                                               Earth MOID = 0.2956 AU
Epoch 2009 Nov. 25.0 TT = JDT 2455160.5                 MPC
M  31.11525              (2000.0)            P               Q
n   0.43234420     Peri.   91.61552     +0.95731262     +0.10104373
a   1.7321399      Node   262.64640     -0.19584542     +0.91582127
e   0.3539196      Incl.   15.84670     +0.21259612     +0.38866640
P   2.28           H   20.0           G   0.15
From 9 observations 2009 Nov. 24.

MPEC 2009 - W105

2009 WG104
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-6.50
Palermo Scale (cumulative)	-6.26
Impact Probability (cumulative)	8.0e-10
Number of Potential Impacts	5

V_impact	17.23 km/s
V_infinity	13.15 km/s
H	19.9
Diameter	0.350 km
Mass	5.6e+10 kg
Energy	2.0e+03 MT
all above are mean values weighted by impact probability

Analysis based on
9 observations spanning .74499 days
(2009-Nov-24.19288 to 2009-Nov-24.93787)