* Astronomy

Blobrana · L

RE: Asteroid 2009 AV

Blobrana · L

The 680 - 1500 metre wide asteroid 2009 AV will make a close pass (62.8 lunar distances, 0.1615 AU), travelling at 22.51 km/second, to the Earth-Moon system on the 26th August, 2012 @ 11:31 UT ±00:01.

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

Blobrana · L

The 710 - 1600 metre wide asteroid 2009 AV will make a close pass (44.9 lunar distances, 0.1154 AU), travelling at 24.01 km/second, to the Earth-Moon system on the 16th February, 2012 @ 03:11 UT ±00:01.

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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

The 670 - 1500 metre wide asteroid 2009 AV will make a close pass (49.7 lunar distances, 0.1278 AU), travelling at 22.68 km/second, to the Earth-Moon system on the 22nd August, 2011 @ 15:22 UT ±00:01.

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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 AV
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-2.59
Palermo Scale (cumulative)	-2.45
Impact Probability (cumulative)	1.1e-07
Number of Potential Impacts	209

V_impact	26.57 km/s
V_infinity	24.11 km/s
H	17.9
Diameter	0.905 km
Mass	1.0e+12 kg
Energy	8.6e+04 MT
all above are mean values weighted by impact probability

Analysis based on
10 observations spanning .99743 days
(2009-Jan-02.54066 to 2009-Jan-03.53809)

Blobrana · L

Orbital elements:
2009 AV                                                  Earth MOID = 0.0658 AU
Epoch 2008 Dec. 20.0 TT = JDT 2454820.5                 MPC
M 112.37269              (2000.0)            P               Q
n   1.21418338     Peri.  231.43104     +0.84436431     -0.37296466
a   0.8701882      Node   144.88803     +0.31526571     +0.92634180
e   0.1064669      Incl.   41.96916     -0.43319330     -0.05280377
P   0.81           H   18.1           G   0.15
From 10 observations 2009 Jan. 2-3.

MPEC 2009 -A27