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Post Info TOPIC: Asteroid 2009 HJ21


L

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RE: Asteroid 2009 HJ21
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Asteroid 2009 HJ21 has passed the Earth-Moon system.

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L

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The 8.5 - 19 metre wide asteroid 2009 HJ21 will make a close pass (1.3 Lunar Distances, 0.0032 AU), travelling at 20.36km/s, to the Earth-Moon system on the 23rd April 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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L

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Orbital elements:
2009 HJ21 Earth MOID = 0.0022 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 2.65604 (2000.0) P Q
n 0.47820684 Peri. 277.72703 +0.62014881 +0.78402353
a 1.6195419 Node 30.65132 -0.69736924 +0.56665258
e 0.6453139 Incl. 3.02239 -0.35929320 +0.25340080
P 2.06 H 27.5 G 0.15 U 8

MPEC 2009 - H34


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