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Post Info TOPIC: Asteroid 2009 HC21
Blobrana


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RE: Asteroid 2009 HC21
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Orbital elements:
2009 HC21                                                Earth MOID = 0.0448 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  86.41700              (2000.0)            P               Q
n   0.78050051     Peri.  126.85413     +0.91601238     +0.35742112
a   1.1682988      Node   213.34232     -0.38165881     +0.91630598
e   0.1570864      Incl.   19.35152     +0.12352278     +0.18064743
P   1.26           H   22.2           G   0.15           U   2

MPEC 2009 - V33

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Blobrana


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Asteroid 2009 HC21 has just passed the Earth.

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Blobrana


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The 100 - 230 metre wide asteroid 2009 HC21 will make a close pass (64.4 Lunar Distances, 0.1656 AU), travelling at 13.27 km/s, to the Earth-Moon system on the 28th October, 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 HC21                                           PHA, Earth MOID = 0.0468 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 288.08951              (2000.0)            P               Q
n   0.77620029     Peri.  128.26711     +0.92277509     +0.33654808
a   1.1726098      Node   213.30749     -0.36047370     +0.92604875
e   0.1544375      Incl.   19.98443     +0.13617947     +0.17078962
P   1.27           H   21.9           G   0.15           U   8

MPEC 2009 - H28


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