* Astronomy

Blobrana · L

RE: Asteroid 2009 SX1

Blobrana · L

2009 SX1
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-5.22
Palermo Scale (cumulative)	-4.10
Impact Probability (cumulative)	7.4e-08
Number of Potential Impacts	77

V_impact	15.16 km/s
V_infinity	10.29 km/s
H	18.7
Diameter	0.600 km
Mass	3.0e+11 kg
Energy	8.1e+03 MT
all above are mean values weighted by impact probability

Analysis based on
23 observations spanning .68950 days
(2009-Sep-18.38999 to 2009-Sep-19.07949)

Blobrana · L

Orbital elements:
2009 SX1                                                 Earth MOID = 0.0583 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 276.00846              (2000.0)            P               Q
n   0.49391336     Peri.  117.92361     -0.03056329     -0.99774649
a   1.5850229      Node   333.62352     +0.86329943     +0.00376825
e   0.4027032      Incl.    7.72675     +0.50376580     -0.06699056
P   2.00           H   18.8           G   0.15           U   9

MPEC 2009 - S45

2009 SX1
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-5.69
Palermo Scale (cumulative)	-4.94
Impact Probability (cumulative)	1.1e-08
Number of Potential Impacts	29

V_impact	15.02 km/s
V_infinity	10.07 km/s
H	18.8
Diameter	0.590 km
Mass	2.8e+11 kg
Energy	7.4e+03 MT
all above are mean values weighted by impact probability

Analysis based on
19 observations spanning .59061 days
(2009-Sep-18.38999 to 2009-Sep-18.9806)