* Astronomy

Blobrana · L

RE: Asteroid 2010 GV23

Blobrana · L

2010 GV23
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-8.12
Palermo Scale (cumulative)	-7.93
Impact Probability (cumulative)	6.5e-07
Number of Potential Impacts	2

V_impact	12.39 km/s
V_infinity	5.42 km/s
H	27.7
Diameter	0.010 km
Mass	1.2e+06 kg
Energy	2.3e-02 MT
all above are mean values weighted by impact probability

Analysis based on
59 observations spanning 5.8849 days
(2010-Apr-09.21954 to 2010-Apr-15.104464)

Blobrana · L

2010 GV23
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-7.83
Palermo Scale (cumulative)	-7.64
Impact Probability (cumulative)	1.3e-06
Number of Potential Impacts	2

V_impact	12.39 km/s
V_infinity	5.42 km/s
H	27.7
Diameter	0.010 km
Mass	1.2e+06 kg
Energy	2.2e-02 MT
all above are mean values weighted by impact probability

Analysis based on
57 observations spanning 4.1226 days
(2010-Apr-09.21954 to 2010-Apr-13.34216)

Blobrana · L

2010 GV23
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-7.87
Palermo Scale (cumulative)	-7.68
Impact Probability (cumulative)	1.2e-06
Number of Potential Impacts	2

V_impact	12.39 km/s
V_infinity	5.42 km/s
H	27.8
Diameter	0.009 km
Mass	1.2e+06 kg
Energy	2.2e-02 MT
all above are mean values weighted by impact probability

Analysis based on
55 observations spanning 4.1226 days
(2010-Apr-09.21954 to 2010-Apr-13.34216)

Blobrana · L

2010 GV23
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-7.55
Palermo Scale (cumulative)	-7.36
Impact Probability (cumulative)	2.5e-06
Number of Potential Impacts	2

V_impact	12.39 km/s
V_infinity	5.42 km/s
H	27.8
Diameter	0.010 km
Mass	1.2e+06 kg
Energy	2.1e-02 MT
all above are mean values weighted by impact probability

Analysis based on
45 observations spanning 2.9864 days
(2010-Apr-09.21954 to 2010-Apr-12.205901)

Blobrana · L

The 7.7 - 17 metre wide asteroid 2010 GV23 made a close pass (2.1 lunar distances, 0.0053 AU), travelling at 5.66 km/second, to the Earth-Moon system on the 5th April, 2010.

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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

2010 GV23
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-7.38
Palermo Scale (cumulative)	-7.19
Impact Probability (cumulative)	3.5e-06
Number of Potential Impacts	4

V_impact	12.39 km/s
V_infinity	5.43 km/s
H	27.7
Diameter	0.010 km
Mass	1.3e+06 kg
Energy	2.3e-02 MT
all above are mean values weighted by impact probability

Analysis based on
39 observations spanning 1.0318 days
(2010-Apr-09.21954 to 2010-Apr-10.2513)

Blobrana · L

Orbital elements:
2010 GV23                                                Earth MOID = 0.0041 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
M 220.96976              (2000.0)            P               Q
n   1.10027170     Peri.  233.73715     +0.30179238     -0.95315799
a   0.9292575      Node   198.72862     +0.89371048     +0.29024815
e   0.2028252      Incl.    3.62093     +0.33196827     +0.08512260
P   0.90           H   27.7           G   0.15           U   7

MPEC 2010 - G73