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Post Info TOPIC: Asteroid 2011 UW158
Blobrana


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Posts: 131433
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Asteroid (436724) 2011 UW158
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The 330 - 750 metre wide asteroid (436724) 2011 UW158 will make a close pass (6.4 LD, 0.0164 AU) travelling at 6.04 km/second, to the Earth-Moon system on the 19th July 2015 @ 14:37 UT ±00:01. 

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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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Posts: 131433
Date:
Asteroid 2011 UW158
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Orbital elements:
2011 UW158                                          PHA, Earth MOID = 0.0027 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M 326.12920              (2000.0)            P               Q
n   0.47946208     Peri.    8.52525     +0.41951731     +0.90440742
a   1.6167140      Node   286.30842     -0.83754885     +0.35260360
e   0.3750875      Incl.    4.64944     -0.35002449     +0.24024555
P   2.06           H   19.4           G   0.15           U   2

MPEC 2013 - E48

Key to Orbital elements



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Blobrana


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Orbital elements:
2011 UW158                                          PHA, Earth MOID = 0.0132 AU
Epoch 2011 Oct. 26.0 TT = JDT 2455860.5                 MPC
M  70.32927              (2000.0)            P               Q
n   0.48575123     Peri.    7.20031     +0.37593244     +0.92309440
a   1.6027291      Node   284.90805     -0.85430976     +0.31137167
e   0.3755705      Incl.    4.81212     -0.35892846     +0.22570869
P   2.03           H   19.3           G   0.15
From 29 observations 2011 Oct. 25-27.

MPEC 2011 - U90



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