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Blobrana · L

RE: Asteroid 2010 AR1

Blobrana · L

2010 AR1
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-8.99
Palermo Scale (cumulative)	-8.53
Impact Probability (cumulative)	1.5e-08
Number of Potential Impacts	13

V_impact	12.71 km/s
V_infinity	6.11 km/s
H	25.8
Diameter	0.023 km
Mass	1.7e+07 kg
Energy	3.2e-01 MT
all above are mean values weighted by impact probability

Analysis based on
17 observations spanning .99057 days
(2010-Jan-07.27712 to 2010-Jan-08.26769)

Blobrana · L

2010 AR1
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-5.86
Palermo Scale (cumulative)	-5.11
Impact Probability (cumulative)	2.2e-05
Number of Potential Impacts	199

V_impact	12.92 km/s
V_infinity	6.54 km/s
H	25.9
Diameter	0.023 km
Mass	1.6e+07 kg
Energy	3.2e-01 MT
all above are mean values weighted by impact probability

Analysis based on
14 observations spanning .37542 days
(2010-Jan-07.27712 to 2010-Jan-07.65254)

Blobrana · L

Orbital elements:
2010 AR1                                                 Earth MOID = 0.0020 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  14.51674              (2000.0)            P               Q
n   0.49584923     Peri.  200.29445     +0.36703030     -0.93017196
a   1.5808947      Node   228.17396     +0.85497938     +0.34084884
e   0.3973451      Incl.    0.63818     +0.36646830     +0.13638986
P   1.99           H   25.9           G   0.15           U   7

MPEC 2010 - A30

The 18 - 40 metre wide asteroid 2010 AR1 made a close pass (4.1 lunar distances, 0.0105 AU), travelling at 6.78 km/second, to the Earth-Moon system on the 29th December, 2009.

See more

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

-- Edited by Blobrana on Friday 8th of January 2010 12:17:04 AM