* Astronomy

Blobrana · L

RE: Asteroid 2010 JN71

Blobrana · L

Removed as an Earth Impact Risk.

Blobrana · L

The 150 - 330 metre wide asteroid 2010 JN71 will make a close pass (8.1 lunar distances, 0.0209 AU), travelling at 13.01 km/second, to the Earth-Moon system on the 25th May, 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 JN71
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-6.13
Palermo Scale (cumulative)	-5.62
Impact Probability (cumulative)	4.4e-08
Number of Potential Impacts	10

V_impact	17.18 km/s
V_infinity	13.08 km/s
H	21.2
Diameter	0.190 km
Mass	9.6e+09 kg
Energy	3.4e+02 MT
all above are mean values weighted by impact probability

Analysis based on
31 observations spanning 1.0764 days
(2010-May-11.32252 to 2010-May-12.39896)

Blobrana · L

Orbital elements:
2010 JN71                                           PHA, Earth MOID = 0.0129 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
M  14.62270              (2000.0)            P               Q
n   0.26640463     Peri.  185.18444     -0.38368155     +0.88367511
a   2.3920754      Node    62.48617     -0.83602444     -0.20904749
e   0.5828385      Incl.   17.59883     -0.39223923     -0.41882865
P   3.70           H   21.2           G   0.15           U   9

MPEC 2010 - J75