* Astronomy

Blobrana · L

Asteroid 2009 OW6

Blobrana · L

2009 OW6
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-5.52
Palermo Scale (cumulative)	-5.50
Impact Probability (cumulative)	9.0e-06
Number of Potential Impacts	2

V_impact	12.99 km/s
V_infinity	6.67 km/s
H	25.3
Diameter	0.029 km
Mass	3.4e+07 kg
Energy	6.9e-01 MT
all above are mean values weighted by impact probability

Analysis based on
54 observations spanning 13.174 days
(2009-Jul-27.36058 to 2009-Aug-09.534873)

Blobrana · L

2009 OW6
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-5.57
Palermo Scale (cumulative)	-5.57
Impact Probability (cumulative)	7.1e-06
Number of Potential Impacts	1

V_impact	12.99 km/s
V_infinity	6.67 km/s
H	25.2
Diameter	0.030 km
Mass	3.8e+07 kg
Energy	7.7e-01 MT
all above are mean values weighted by impact probability

Analysis based on
34 observations spanning 3.1179 days
(2009-Jul-27.36058 to 2009-Jul-30.47853)

Blobrana · L

2009 OW6
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-5.56
Palermo Scale (cumulative)	-5.46
Impact Probability (cumulative)	8.7e-06
Number of Potential Impacts	2

V_impact	12.99 km/s
V_infinity	6.67 km/s
H	25.2
Diameter	0.031 km
Mass	3.9e+07 kg
Energy	7.9e-01 MT
all above are mean values weighted by impact probability

Analysis based on
31 observations spanning 2.6542 days
(2009-Jul-27.36058 to 2009-Jul-30.014752)

Blobrana · L

The 24 - 55 metre wide asteroid 2009 OW6 made a close pass (7.2 Lunar Distances, 0.0185 AU), travelling at 7.28 km/s, to the Earth-Moon system on the 28th July, 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

Orbital elements:
2009 OW6                                                 Earth MOID = 0.0015 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 339.45887              (2000.0)            P               Q
n   0.35894126     Peri.  230.07664     +0.82344634     +0.56739029
a   1.9608925      Node    95.35482     -0.51993071     +0.75603520
e   0.4839257      Incl.    0.12042     -0.22717433     +0.32631126
P   2.75           H   25.2           G   0.15           U   7

MPEC 2009 - O45

2009 OW6
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-5.75
Palermo Scale (cumulative)	-5.38
Impact Probability (cumulative)	1.1e-05
Number of Potential Impacts	11

V_impact	12.98 km/s
V_infinity	6.65 km/s
H	25.2
Diameter	0.031 km
Mass	4.1e+07 kg
Energy	8.2e-01 MT
all above are mean values weighted by impact probability

Analysis based on
26 observations spanning 1.0942 days
(2009-Jul-27.36058 to 2009-Jul-28.45479)

Source