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Blobrana · L

RE: Asteroid 2010 HG20

Blobrana · L

2010 HG20
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-4.18
Palermo Scale (cumulative)	-3.63
Impact Probability (cumulative)	2.0e-06
Number of Potential Impacts	293

V_impact	16.33 km/s
V_infinity	11.94 km/s
H	21.0
Diameter	0.211 km
Mass	1.3e+10 kg
Energy	4.2e+02 MT
all above are mean values weighted by impact probability

Analysis based on
16 observations spanning 1.0458 days
(2010-Apr-20.44854 to 2010-Apr-21.49434)

Blobrana · L

Orbital elements:
2010 HG20                                           PHA, Earth MOID = 0.0129 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
M 138.18790              (2000.0)            P               Q
n   0.69758522     Peri.   57.74558     -0.34477670     -0.90427013
a   1.2591318      Node    54.49818     +0.72303792     -0.42692970
e   0.2861722      Incl.   18.02017     +0.59861941     -0.00515338
P   1.41           H   21.0           G   0.15           U   9

MPEC 2010 - H38