* Astronomy

Blobrana · L

RE: Asteroid 2010 JK1

Blobrana · L

2010 JK1
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-7.98
Palermo Scale (cumulative)	-7.81
Impact Probability (cumulative)	2.0e-08
Number of Potential Impacts	5

V_impact	12.11 km/s
V_infinity	4.72 km/s
H	24.4
Diameter	0.045 km
Mass	1.2e+08 kg
Energy	2.1e+00 MT
all above are mean values weighted by impact probability

Analysis based on
24 observations spanning 1.9961 days
(2010-May-05.18574 to 2010-May-07.18186)

Blobrana · L

2010 JK1
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-6.56
Palermo Scale (cumulative)	-6.16
Impact Probability (cumulative)	4.7e-07
Number of Potential Impacts	21

V_impact	12.13 km/s
V_infinity	4.79 km/s
H	24.4
Diameter	0.045 km
Mass	1.2e+08 kg
Energy	2.1e+00 MT
all above are mean values weighted by impact probability

Analysis based on
20 observations spanning 1.0183 days
(2010-May-05.18574 to 2010-May-06.20402)

Blobrana · L

The 35 - 79 metre wide asteroid 2010 JK1 will make a close pass (26.7 lunar distances, 0.0686 AU), travelling at 2.80 km/second, to the Earth-Moon system on the 4th June, 2010.

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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:
2010 JK1                                                 Earth MOID = 0.0020 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
M 331.55814              (2000.0)            P               Q
n   0.95751274     Peri.  137.48072     +0.94854458     +0.31664121
a   1.0194666      Node   204.05944     -0.29132229     +0.87115816
e   0.1482033      Incl.    0.17338     -0.12407458     +0.37526231
P   1.03           H   24.4           G   0.15           U   8

MPEC 2010 - J25