* Astronomy

Blobrana · L

RE: Asteroid 2010 GR33

Blobrana · L

The 75 - 170 metre wide asteroid 2010 GR33 will make a close pass (43.6 lunar distances, 0.1119 AU), travelling at 8.95 km/second, to the Earth-Moon system on the 13th February, 2012 @ 12:15 UT ±21:13.

See more

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

Blobrana · L

Removed as an Earth Impact Risk.

Blobrana · L

2010 GR33
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-7.75
Palermo Scale (cumulative)	-7.13
Impact Probability (cumulative)	7.0e-09
Number of Potential Impacts	10

V_impact	15.51 km/s
V_infinity	10.76 km/s
H	22.8
Diameter	0.095 km
Mass	1.1e+09 kg
Energy	3.3e+01 MT
all above are mean values weighted by impact probability

Analysis based on
12 observations spanning .95877 days
(2010-Apr-11.47552 to 2010-Apr-12.43429)

Blobrana · L

Orbital elements:
2010 GR33                                                Earth MOID = 0.0589 AU
Epoch 2010 Mar. 25.0 TT = JDT 2455280.5                 MPC
M  15.86863              (2000.0)            P               Q
n   0.43708757     Peri.  340.61295     -0.79478031     -0.60551922
a   1.7195854      Node   161.93684     +0.57277446     -0.77065581
e   0.4856210      Incl.    7.57510     +0.20063317     -0.19858527
P   2.25           H   22.6           G   0.15
From 12 observations 2010 Apr. 11-12.

MPEC 2010 - G92