* Astronomy

Blobrana · L

RE: Asteroid 2010 GT7

Blobrana · L

2010 GT7
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-6.62
Palermo Scale (cumulative)	-6.62
Impact Probability (cumulative)	1.9e-09
Number of Potential Impacts	1

V_impact	19.97 km/s
V_infinity	16.57 km/s
H	20.4
Diameter	0.280 km
Mass	2.9e+10 kg
Energy	1.4e+03 MT
all above are mean values weighted by impact probability

Analysis based on
63 observations spanning 2.9840 days
(2010-Apr-07.44183 to 2010-Apr-10.42579)

Blobrana · L

2010 GT7
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-6.35
Palermo Scale (cumulative)	-6.26
Impact Probability (cumulative)	4.1e-09
Number of Potential Impacts	3

V_impact	20.18 km/s
V_infinity	16.82 km/s
H	20.4
Diameter	0.290 km
Mass	3.2e+10 kg
Energy	1.6e+03 MT
all above are mean values weighted by impact probability

Analysis based on
53 observations spanning 1.9841 days
(2010-Apr-07.44183 to 2010-Apr-09.425882)

Blobrana · L

2010 GT7
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-5.95
Palermo Scale (cumulative)	-5.64
Impact Probability (cumulative)	1.3e-08
Number of Potential Impacts	8

V_impact	20.61 km/s
V_infinity	17.34 km/s
H	20.4
Diameter	0.290 km
Mass	3.2e+10 kg
Energy	1.6e+03 MT
all above are mean values weighted by impact probability

Analysis based on
44 observations spanning 1.0251 days
(2010-Apr-07.44183 to 2010-Apr-08.46697)

Blobrana · L

Orbital elements:
2010 GT7                                            PHA, Earth MOID = 0.0238 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
M  37.92372              (2000.0)            P               Q
n   0.23707261     Peri.   55.74045     -0.68773453     -0.71118579
a   2.5855234      Node    78.42579     +0.60753342     -0.67371071
e   0.6654918      Incl.    8.55452     +0.39739698     -0.20081997
P   4.16           H   20.3           G   0.15           U   9

MPEC 2010 - G48

2010 GT7
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-4.69
Palermo Scale (cumulative)	-4.30
Impact Probability (cumulative)	2.6e-07
Number of Potential Impacts	26

V_impact	20.26 km/s
V_infinity	16.91 km/s
H	20.3
Diameter	0.298 km
Mass	3.5e+10 kg
Energy	1.7e+03 MT
all above are mean values weighted by impact probability

Analysis based on
34 observations spanning .86867 days
(2010-Apr-07.44183 to 2010-Apr-08.3105)