* Astronomy

Blobrana · L

RE: Asteroid 2010 BL2

Blobrana · L

2010 BL2
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-3.92
Palermo Scale (cumulative)	-3.43
Impact Probability (cumulative)	5.9e-09
Number of Potential Impacts	21

V_impact	31.18 km/s
V_infinity	29.12 km/s
H	17.2
Diameter	1.200 km
Mass	2.6e+12 kg
Energy	3.0e+05 MT
all above are mean values weighted by impact probability

Analysis based on
20 observations spanning 1.5982 days
(2010-Jan-19.47761 to 2010-Jan-21.07577)

Blobrana · L

2010 BL2
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-4.56
Palermo Scale (cumulative)	-4.48
Impact Probability (cumulative)	6.3e-10
Number of Potential Impacts	2

V_impact	32.12 km/s
V_infinity	30.13 km/s
H	17.1
Diameter	1.300 km
Mass	3.0e+12 kg
Energy	3.6e+05 MT
all above are mean values weighted by impact probability

Analysis based on
17 observations spanning 1.0824 days
(2010-Jan-19.47761 to 2010-Jan-20.56005)

Blobrana · L

The 2 - 4 kilometre wide asteroid 2010 BL2 was discovered on the 19th January, 2010, by the Siding Spring Survey.

Blobrana · L

Orbital elements:
2010 BL2                                                 Earth MOID = 0.4551 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  15.26560              (2000.0)            P               Q
n   0.19836601     Peri.  205.68077     +0.19850643     +0.43135897
a   2.9117755      Node    89.53969     -0.67663440     +0.70993322
e   0.8193542      Incl.   61.65433     -0.70905648     -0.55670841
P   4.97           H   16.0           G   0.15           U   9

MPEC 2010 - B17