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Post Info TOPIC: Asteroid 2011 QG21


L

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RE: Asteroid 2011 QG21
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The 110 - 250 metre wide asteroid 2011 QG21 will make a close pass (20.3 LD, 0.0521 AU) travelling at 16.50 km/second, to the Earth-Moon system on the 11th August 2015 @ 08:28 UT 05:02.

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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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L

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Orbital elements:
2011 QG21                                                Earth MOID = 0.0517 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M  64.27848              (2000.0)            P               Q
n   0.73602632     Peri.  254.88104     -0.73730768     +0.64993811
a   1.2148999      Node   325.05967     -0.42685137     -0.65962833
e   0.4382993      Incl.   18.76910     -0.52361750     -0.37745320
P   1.34           H   22.1           G   0.15           U   8

MPEC 2011 - Q31



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