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Post Info TOPIC: Asteroid 2009 KT21
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Asteroid 2009 KT21
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2009 KT21
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -5.25
Palermo Scale (cumulative) -4.53
Impact Probability (cumulative) 1.4e-08
Number of Potential Impacts 35
Vimpact 18.26 km/s
Vinfinity 14.47 km/s
H 18.6
Diameter 0.644 km
Mass 3.6e+11 kg
Energy 1.4e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
25 observations spanning 3.0436 days
(2009-May-29.30801 to 2009-Jun-01.35163)

Source

Orbital elements:
2009 KT21                                                Earth MOID = 0.1083 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M  97.95828              (2000.0)            P               Q
n   0.42475138     Peri.  239.71076     -0.37405010     -0.91986512
a   1.7527212      Node   232.72533     +0.89367865     -0.32349842
e   0.4168805      Incl.    8.53110     +0.24784065     -0.22180382
P   2.32           H   19.2           G   0.15           U   9

MPEC 2009 - L02

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