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Post Info TOPIC: Asteroid 2011 HH


L

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Asteroid 2011 HH
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The 23 - 52 metre wide asteroid 2011 HH will make a close pass (39.5 lunar distances, 0.1016 AU), travelling at 5.04 km/second, to the Earth-Moon system on the 21st March 2014 @ 22:26 UT ±14:41.

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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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Object
Name
Close
Approach
Date
Miss
Distance
(AU)
Miss
Distance
(LD)
Estimated
Diameter
H
(mag)
Relative
Velocity
(km/s)
(2011 HH) 2011-Apr-200.031912.426 m - 59 m25.03.26


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L

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Orbital elements:
2011 HH                                                  Earth MOID = 0.0317 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M 321.45011              (2000.0)            P               Q
n   0.66035455     Peri.  150.08470     -0.95863652     +0.28131653
a   1.3060243      Node    46.32132     -0.27158717     -0.85848585
e   0.2140492      Incl.    3.43436     -0.08518470     -0.42879254
P   1.49           H   25.0           G   0.15           U   7

MPEC 2011 - H28



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