* Astronomy

Blobrana · L

RE: Asteroid 2010 FW9

Blobrana · L

Removed as an Earth Impact Risk.

Blobrana · L

The 12 - 27 metre wide asteroid 2010 FW9 will make a close pass (3.0 lunar distances, 0.0077 AU), travelling at 8.64 km/second, to the Earth-Moon system on the 28th March, 2010.

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

2010 FW9
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-8.48
Palermo Scale (cumulative)	-8.22
Impact Probability (cumulative)	2.6e-08
Number of Potential Impacts	4

V_impact	15.84 km/s
V_infinity	11.25 km/s
H	26.5
Diameter	0.017 km
Mass	6.4e+06 kg
Energy	1.9e-01 MT
all above are mean values weighted by impact probability

Analysis based on
14 observations spanning .24308 days
(2010-Mar-21.11554 to 2010-Mar-21.35862)

Blobrana · L

Orbital elements:
2010 FW9                                                 Earth MOID = 0.0022 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 305.01010              (2000.0)            P               Q
n   0.48397146     Peri.  220.52683     -0.70952864     +0.70466023
a   1.6066559      Node     4.28476     -0.62877579     -0.63001355
e   0.4191634      Incl.    3.68564     -0.31813537     -0.32639989
P   2.04           H   26.7           G   0.15           U   9

MPEC 2010 - F59