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Blobrana · L

RE: Asteroid 2009 XJ8

Blobrana · L

2009 XJ8
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-6.15
Palermo Scale (cumulative)	-6.15
Impact Probability (cumulative)	2.3e-10
Number of Potential Impacts	1

V_impact	17.65 km/s
V_infinity	13.69 km/s
H	21.0
Diameter	0.210 km
Mass	1.3e+10 kg
Energy	4.7e+02 MT
all above are mean values weighted by impact probability

Analysis based on
16 observations spanning 1.0595 days
(2009-Dec-15.18816 to 2009-Dec-16.24761)

Blobrana · L

Orbital elements:
2009 XJ8                                                 Earth MOID = 0.3133 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M   4.27592              (2000.0)            P               Q
n   0.20330228     Peri.  351.88289     +0.32881537     -0.94040040
a   2.8644498      Node    78.88730     +0.87135511     +0.26667562
e   0.5466590      Incl.    5.07267     +0.36417130     +0.21102416
P   4.85           H   21.0           G   0.15           U   9

MPEC 2009 - Y07