* Astronomy

Blobrana · L

RE: Asteroid 2008 YT30

Blobrana · L

Orbital elements:
2008 YT30                                                Earth MOID = 0.0728 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 198.84804              (2000.0)            P               Q
n   0.68905680     Peri.  334.05877     -0.42564888     +0.86110825
a   1.2695000      Node   269.65216     -0.77429904     -0.50561776
e   0.2752048      Incl.   16.14457     -0.46827772     +0.05332218
P   1.43           H   19.3           G   0.15           U   3

MPEC 2009 -B60

Blobrana · L

2008 YT30
Earth Impact Risk Summary

Torino Scale (maximum)	0
Palermo Scale (maximum)	-4.55
Palermo Scale (cumulative)	-3.49
Impact Probability (cumulative)	6.7e-07
Number of Potential Impacts	124

V_impact	14.82 km/s
V_infinity	9.77 km/s
H	19.4
Diameter	0.450 km
Mass	1.3e+11 kg
Energy	3.3e+03 MT
all above are mean values weighted by impact probability

Analysis based on
25 observations spanning 1.3192 days
(2008-Dec-31.09054 to 2009-Jan-01.40975)

Source

Orbital elements:
2008 YT30                                                Earth MOID = 0.0927 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 190.14695              (2000.0)            P               Q
n   0.71019208     Peri.  338.88057     -0.34868456     +0.89800378
a   1.2441865      Node   269.90252     -0.81685281     -0.43155453
e   0.2704439      Incl.   15.56575     -0.45953299     +0.08573156
P   1.39           H   19.1           G   0.15           U   9

MPEC 2008 -Y85