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Post Info TOPIC: Asteroid 2009 SZ99
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Asteroid 2009 SZ99
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Orbital elements:
2009 SZ99                                                Earth MOID = 0.1064 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 212.36347              (2000.0)            P               Q
n   1.07195678     Peri.   90.66201     +0.29492424     -0.84997381
a   0.9455501      Node   327.83403     +0.12401617     +0.48704283
e   0.2629397      Incl.   55.08297     +0.94743848     +0.20083277
P   0.92           H   18.3           G   0.15           U   8

MPEC 2009 - S92

2009 SZ99
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.87
Palermo Scale (cumulative) -4.52
Impact Probability (cumulative) 9.3e-09
Number of Potential Impacts 5
Vimpact 32.30 km/s
Vinfinity 30.32 km/s
H 18.4
Diameter 0.710 km
Mass 4.8e+11 kg
Energy 6.0e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
19 observations spanning 3.0023 days
(2009-Sep-22.10556 to 2009-Sep-25.10786)



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