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Post Info TOPIC: Asteroid 2010 AR85


L

Posts: 131433
Date:
Asteroid 2011 WS2 = 2010 AR85
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Orbital elements:
2011 WS2 = 2010 AR85                                     Earth MOID = 0.0941 AU
Id. T. B. Spahr
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 155.57496              (2000.0)            P               Q
n   0.97155277     Peri.  307.62929     +0.21386751     +0.89174444
a   1.0096212      Node   326.80567     -0.49377104     -0.25358231
e   0.7435940      Incl.   46.75688     -0.84288247     +0.37481711
P   1.01           H   17.3           G   0.15           U   5

MPEC 2011 - X38



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L

Posts: 131433
Date:
Asteroid 2011 WS2
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Orbital elements:
2011 WS2                                                 Earth MOID = 0.0940 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 322.10229              (2000.0)            P               Q
n   0.94485336     Peri.  307.48366     +0.22012223     +0.89120185
a   1.0285524      Node   327.26120     -0.48677521     -0.25199354
e   0.7500148      Incl.   47.17024     -0.84533786     +0.37717173
P   1.04           H   17.2           G   0.15           U   9

MPEC 2011 - W19



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L

Posts: 131433
Date:
RE: Asteroid 2010 AR85
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2010 AR85
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -3.37
Palermo Scale (cumulative) -3.11
Impact Probability (cumulative) 1.9e-08
Number of Potential Impacts 35
Vimpact 34.68 km/s
Vinfinity 32.84 km/s
H 17.4
Diameter 1.100 km
Mass 1.8e+12 kg
Energy 2.6e+05 MT
all above are mean values
weighted by impact probability
Analysis based on
12 observations spanning 1.7202 days
(2010-Jan-07.86121 to 2010-Jan-09.58143)



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L

Posts: 131433
Date:
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Orbital elements:
2010 AR85 PHA, Earth MOID = 0.0469 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC
M 260.71359 (2000.0) P Q
n 0.84765539 Peri. 315.61318 +0.20702140 +0.81111472
a 1.1057489 Node 315.66929 -0.52603218 -0.37914998
e 0.7369871 Incl. 51.51821 -0.82488319 +0.44535178
P 1.16 H 17.4 G 0.15 U 9

MPEC 2010 - K64


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