* Astronomy

Blobrana · L

RE: Asteroid 2010 PM9

Blobrana · L

The 310 - 700 metre wide asteroid 2010 PM9 will make a close pass (54.4 lunar distances, 0.1398 AU), travelling at 22.79 km/second, to the Earth-Moon system on the 31st August, 2010 @ 07:27 UT.

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

2010 PM9
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-5.56
Palermo Scale (cumulative)	-5.11
Impact Probability (cumulative)	1.0e-08
Number of Potential Impacts	38

V_impact	15.89 km/s
V_infinity	11.31 km/s
H	19.8
Diameter	0.364 km
Mass	6.6e+10 kg
Energy	2.0e+03 MT
all above are mean values weighted by impact probability

Analysis based on
7 observations spanning 1.3311 days
(2010-Aug-05.39539 to 2010-Aug-06.72646)

Blobrana · L

Orbital elements:
2010 PM9                                            PHA, Earth MOID = 0.0453 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
M 341.17851              (2000.0)            P               Q
n   0.22268797     Peri.  149.14610     +0.53578205     -0.84055882
a   2.6956999      Node   268.34531     +0.75744127     +0.52033262
e   0.7275857      Incl.    4.58993     +0.37312238     +0.15071443
P   4.43           H   19.6           G   0.15           U   9

MPEC 2010 - P31