* Astronomy

Blobrana · L

RE: Asteroid 2009 SD15

Blobrana · L

Orbital elements:
2009 SD15                                                Earth MOID = 0.0071 AU
Epoch 2009 Sept. 6.0 TT = JDT 2455080.5                 MPC
M   7.63290              (2000.0)            P               Q
n   0.27321428     Peri.  303.46702     +0.50786812     +0.86143089
a   2.3521614      Node   357.05124     -0.77259068     +0.45414904
e   0.6276578      Incl.    2.90358     -0.38101654     +0.22734438
P   3.61           H   27.0           G   0.15
From 12 observations 2009 Sept. 19-20.

MPEC 2009 - S58

2009 SD15
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-7.13
Palermo Scale (cumulative)	-7.03
Impact Probability (cumulative)	1.0e-06
Number of Potential Impacts	5

V_impact	17.90 km/s
V_infinity	14.00 km/s
H	26.9
Diameter	0.014 km
Mass	3.7e+06 kg
Energy	1.4e-01 MT
all above are mean values weighted by impact probability

Analysis based on
12 observations spanning 1.1430 days
(2009-Sep-19.24181 to 2009-Sep-20.38483)