* Astronomy

Blobrana · L

RE: Asteroid 2009 TC8

Blobrana · L

Orbital elements:
2009 TC8                                            PHA, Earth MOID = 0.0131 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 117.66564              (2000.0)            P               Q
n   0.37394488     Peri.  354.72029     -0.49810805     +0.83056618
a   1.9080847      Node   245.19270     -0.78518065     -0.55392571
e   0.4772167      Incl.   15.92726     -0.36793982     +0.05767260
P   2.64           H   18.6           G   0.15           U   9

MPEC 2009 - T58

2009 TC8
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-4.87
Palermo Scale (cumulative)	-4.27
Impact Probability (cumulative)	4.2e-08
Number of Potential Impacts	43

V_impact	15.63 km/s
V_infinity	10.96 km/s
H	18.6
Diameter	0.637 km
Mass	3.5e+11 kg
Energy	1.0e+04 MT
all above are mean values weighted by impact probability

Analysis based on
22 observations spanning 1.0210 days
(2009-Oct-14.16478 to 2009-Oct-15.18583)