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Post Info TOPIC: Asteroid 2009 QR
Blobrana


L

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RE: Asteroid 2009 QR
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Date MJD Sigma Sigmaimp dist ± width stretch p_RE exp. en PS TS
yr-mo-day (RE) (RE/Sig) (MT)
2049-08-23.952 69676.952 -0.930 0.000 0.91 ± 0.000 7.00e+7 1.69e-8 5.91e-10 -9.02 0
2087-08-23.701 83555.701 -1.117 0.000 2.38 ± 0.000 2.03e+8 4.95e-9 1.74e-10 -9.84 0

Based on 37 optical observations (of which 5 are rejected as outliers) from 2009-08-17.244 to 2009-08-19.962.



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Blobrana


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Orbital elements:
2009 QR                                                  Earth MOID = 0.0001 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 302.75171              (2000.0)            P               Q
n   0.62553784     Peri.  208.21700     +0.99945622     +0.01687721
a   1.3540467      Node   150.77443     -0.00587546     +0.93648716
e   0.2720608      Incl.    3.32606     -0.03244614     +0.35029552
P   1.58           H   27.4           G   0.15           U   6

MPEC 2009 - Q09

The 8.7 - 20 metre wide asteroid 2009 QR will make a close pass (3.4 Lunar Distances, 0.0087 AU), travelling at 5.28 km/s, to the Earth-Moon system on the 20th August, 2009.

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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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