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Post Info TOPIC: Asteroid 2011 SA25


L

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RE: Asteroid 2011 SA25
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The 54 - 120 metre wide asteroid 2011 SA25 made a close pass (74.1 lunar distances, 0.1904 AU), travelling at 12.82 km/second, to the Earth-Moon system on the 21st September, 2011 @ 07:39 UT ±01:00.

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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 SA25                                                Earth MOID = 0.1817 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 325.41644              (2000.0)            P               Q
n   0.51206814     Peri.   41.10371     +0.82881607     -0.55657086
a   1.5473345      Node   352.06829     +0.33915646     +0.58131030
e   0.2666887      Incl.   24.57221     +0.44501327     +0.59355472
P   1.92           H   23.9           G   0.15           U   8

MPEC 2011 - S37



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