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Blobrana · L

RE: Asteroid 2009 TQ8

Blobrana · L

2009 TQ8
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-6.93
Palermo Scale (cumulative)	-6.73
Impact Probability (cumulative)	1.4e-07
Number of Potential Impacts	11

V_impact	16.91 km/s
V_infinity	12.72 km/s
H	24.5
Diameter	0.042 km
Mass	1.1e+08 kg
Energy	3.6e+00 MT
all above are mean values weighted by impact probability

Analysis based on
21 observations spanning 3.0517 days
(2009-Oct-15.36043 to 2009-Oct-18.41208)

The 36 - 81 metre wide asteroid 2009 TQ8 will make a close pass (23.4 Lunar Distances, 0.0600 AU), travelling at 12.70 km/s, to the Earth-Moon system on the 30th October, 2009.

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

Blobrana · L

2009 TQ8
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-5.27
Palermo Scale (cumulative)	-4.68
Impact Probability (cumulative)	5.2e-06
Number of Potential Impacts	423

V_impact	15.82 km/s
V_infinity	11.16 km/s
H	24.2
Diameter	0.048 km
Mass	1.5e+08 kg
Energy	4.6e+00 MT
all above are mean values weighted by impact probability

Analysis based on
18 observations spanning .12757 days
(2009-Oct-15.36043 to 2009-Oct-15.488)

Blobrana · L

Orbital elements:
2009 TQ8                                                 Earth MOID = 0.0054 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M   5.20507              (2000.0)            P               Q
n   0.67007634     Peri.   95.42377     -0.49361714     -0.86406202
a   1.2933613      Node    24.92628     +0.67599214     -0.45259645
e   0.4298512      Incl.   13.54196     +0.54715331     -0.22034808
P   1.47           H   24.2           G   0.15           U   9

MPEC 2009 - T69