* Astronomy

Blobrana · L

RE: Asteroid 2010 MS1

Blobrana · L

Removed as an Earth Impact Risk.

Blobrana · L

The 140 - 310 metre wide asteroid 2010 MS1 will make a close pass (53.2 lunar distances, 0.1367 AU), travelling at 6.94 km/second, to the Earth-Moon system on the 21st July, 2010 @ 04:21 UT.

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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

2010 MS1
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-7.25
Palermo Scale (cumulative)	-7.04
Impact Probability (cumulative)	4.9e-10
Number of Potential Impacts	4

V_impact	12.54 km/s
V_infinity	5.76 km/s
H	21.2
Diameter	0.200 km
Mass	1.0e+10 kg
Energy	1.9e+02 MT
all above are mean values weighted by impact probability

Analysis based on
17 observations spanning 1.1241 days
(2010-Jun-21.38517 to 2010-Jun-22.50928)

Blobrana · L

Orbital elements:
2010 MS1                                                 Earth MOID = 0.1114 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
M 225.65790              (2000.0)            P               Q
n   1.09169293     Peri.  350.57334     +0.00416885     -0.98746537
a   0.9341194      Node    99.06875     +0.92756940     -0.05513378
e   0.2661914      Incl.    9.19401     +0.37362767     +0.14789325
P   0.90           H   21.4           G   0.15           U   9

MPEC 2010 - M48