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Post Info TOPIC: Asteroid 2010 DW1
Blobrana


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RE: Asteroid 2010 DW1
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Orbital elements:
2010 DW1                                            PHA, Earth MOID = 0.0080 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 321.00468              (2000.0)            P               Q
n   0.72677666     Peri.    9.56059     -0.96784432     -0.19704769
a   1.2251861      Node   157.17201     +0.19584346     -0.98036008
e   0.2003909      Incl.   23.76801     +0.15786926     +0.00814362
P   1.36           H   20.0           G   0.15           U   1

MPEC 2010 - E27

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Blobrana


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Removed as an Earth Impact Risk.

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Blobrana


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2010 DW1
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.63
Palermo Scale (cumulative) -4.63
Impact Probability (cumulative) 3.9e-10
Number of Potential Impacts 1
Vimpact 25.21 km/s
Vinfinity 22.62 km/s
H 18.2
Diameter 0.770 km
Mass 6.2e+11 kg
Energy 4.7e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
9 observations spanning 2.2813 days
(2010-Feb-17.47226 to 2010-Feb-19.75361)



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Blobrana


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Posts: 131433
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Orbital elements:
2010 DW1                                            PHA, Earth MOID = 0.0080 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 319.26393              (2000.0)            P               Q
n   0.75688316     Peri.    9.65677     -0.96649005     -0.20804557
a   1.1924774      Node   156.62047     +0.20289928     -0.97797466
e   0.1784681      Incl.   22.26939     +0.15725417     -0.01681114
P   1.30           H   19.3           G   0.15           U   9

MPEC 2010 - D52

The 370 - 820 metre wide asteroid 2010 DW1 will make a close pass (50.1 lunar distances, 0.1287 AU), travelling at 13.37 km/second, to the Earth-Moon system on the 17th February, 2010.

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).

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