* Astronomy

Blobrana · L

RE: Asteroid 2012 KT42

Blobrana · L

Google earth file: Asteroid 2012 KT42.kmz (16kb, kmz)

Blobrana · L

Orbital elements:
2012 KT42                                                Earth MOID = 0.0001 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 276.07228              (2000.0)            P               Q
n   0.63335661     Peri.   94.63324     +0.94927348     +0.31440030
a   1.3428799      Node   247.04223     -0.29089600     +0.87115523
e   0.5189153      Incl.    0.35369     -0.11941263     +0.37714853
P   1.56           H   28.8           G   0.15           U   6

MPEC 2012 - K66

The 5 - 10 metre wide asteroid 2012 KT42 will make a close pass (0.05 lunar distances, 0.0001 AU), travelling at 17.03 km/second, to the Earth-Moon system on the 29th May, 2012 @ 07:07 UT ±00:03.

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

2012 KT42
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-6.71
Palermo Scale (cumulative)	-6.70
Impact Probability (cumulative)	1.9e-05
Number of Potential Impacts	7

V_impact	19.42 km/s
V_infinity	15.90 km/s
H	28.8
Diameter	0.006 km
Mass	2.8e+05 kg
Energy	1.3e-02 MT
all above are mean values weighted by impact probability

Analysis based on
21 observations spanning .26834 days
(2012-May-28.29728 to 2012-May-28.56562)

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 05 29.28 14 37 05.2 +08 59 22   0.0002191.0138   139.4    40.6    12.1