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Post Info TOPIC: Asteroid 2011 DW4
Blobrana


L

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RE: Asteroid 2011 DW4
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The 9 - 21 metre wide asteroid 2011 DW4 will make a close pass (6.9 lunar distances, 0.0176 AU), travelling at 4.55 km/second, to the Earth-Moon system on the 3rd March, 2011 @ 04:54 UT ±02:34. 

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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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Blobrana


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Orbital elements:
2011 DW4                                                 Earth MOID = 0.0175 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M 348.20810              (2000.0)            P               Q
n   0.50503482     Peri.    5.77787     -0.95299659     -0.30286842
a   1.5616672      Node   156.58702     +0.27714065     -0.88241035
e   0.3540373      Incl.    1.19103     +0.12243593     -0.36003152
P   1.95           H   27.3           G   0.15           U   8

MPEC 2011 - D38

Object
Name 		Close
Approach
Date 		Miss
Distance
(AU) 		Miss
Distance
(LD) 		Estimated
Diameter* 		H
(mag) 		Relative
Velocity
(km/s)
(2011 DW4) 2011-Mar-03 0.0176 6.9 9.2 m - 21 m 27.3 4.55


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