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Post Info TOPIC: Asteroid 2009 HH21
Blobrana


L

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RE: Asteroid 2009 HH21
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The 11 - 25 metre wide asteroid  2009 HH21 made a close pass (12.6 Lunar Distances, 0.0323 AU), travelling at 4.40 km/s, to the Earth-Moon system on the 26th 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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Blobrana


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Orbital elements:
2009 HH21                                                Earth MOID = 0.0279 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M  26.29263              (2000.0)            P               Q
n   0.59142555     Peri.   12.01956     -0.70109528     +0.71189169
a   1.4056245      Node   213.49093     -0.66021814     -0.66975111
e   0.2650797      Incl.    4.25427     -0.26940195     -0.21129051
P   1.67           H   26.8           G   0.15           U   8

MPEC 2009 - H33

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