* Astronomy

Blobrana · L

RE: Asteroid 2010 JK1

Blobrana · L

The 35 - 78 metre wide asteroid 2010 JK1 will make a close pass (64.0 lunar distances, 0.1644 AU), travelling at 4.27 km/second, to the Earth-Moon system on the 21st January, 2012 @ 04:26 UT ±00:11.

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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 35 - 78 metre wide asteroid 2010 JK1 will make a close pass (52.5 lunar distances, 0.1349 AU), travelling at 4.63 km/second, to the Earth-Moon system on the 9th September, 2011 @ 01:01 UT ±01:15.

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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 = 0.0018 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M 163.81682              (2000.0)            P               Q
n   0.94856178     Peri.  135.16621     +0.93208298     +0.36224289
a   1.0258699      Node   203.59587     -0.33317920     +0.85600437
e   0.1498176      Incl.    0.16989     -0.14217221     +0.36883140
P   1.04           H   24.4           G   0.15           U   6

MPEC 2011 - E10

Blobrana · L

The 36 - 79 metre wide asteroid 2010 JK1 will make a close pass (72.0 lunar distances, 0.1851 AU), travelling at 4.68 km/second, to the Earth-Moon system on the 11th March, 2011 @ 02:15 UT ±00:30.

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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

Asteroid 2010 JK1 has passed the Earth.

Blobrana · L

Closest approach at 23:20 UT, 4th June, 2010.

Blobrana · L

Removed as an Earth Impact Risk.

Blobrana · L

2010 JK1
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-7.25
Palermo Scale (cumulative)	-7.25
Impact Probability (cumulative)	8.2e-08
Number of Potential Impacts	1

V_impact	12.09 km/s
V_infinity	4.70 km/s
H	24.5
Diameter	0.043 km
Mass	1.1e+08 kg
Energy	1.9e+00 MT
all above are mean values weighted by impact probability

Analysis based on
34 observations spanning 29.738 days
(2010-Apr-10.36265 to 2010-May-10.100827)

Blobrana · L

2010 JK1
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-7.59
Palermo Scale (cumulative)	-7.44
Impact Probability (cumulative)	5.4e-08
Number of Potential Impacts	5

V_impact	12.10 km/s
V_infinity	4.73 km/s
H	24.4
Diameter	0.044 km
Mass	1.1e+08 kg
Energy	2.0e+00 MT
all above are mean values weighted by impact probability

Analysis based on
30 observations spanning 4.9151 days
(2010-May-05.18574 to 2010-May-10.100827)