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Post Info TOPIC: Asteroid 2009 HE21
Blobrana


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RE: Asteroid 2009 HE21
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Orbital Elements
2009 HE21
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M   1.28078              (2000.0)            P               Q
n   0.26590725     Peri.  298.49670     +0.88809064     +0.45521701
a   2.3950574      Node    34.53497     -0.37250210     +0.79405712
e   0.8548820      Incl.    6.46340     -0.26932731     +0.40280362
P   3.71           H   24.5           G   0.15           U   8
From 27 observations 2009 Apr. 20-23

Ephemeris

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Blobrana


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The 35 - 75 metre wide asteroid 2009 HE21 will make a close pass (21.2 Lunar Distances, 0.0545 AU), travelling at 28.33 km/s, to the Earth-Moon system on the 30th 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


L

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Orbital elements:
2009 HE21                                                Earth MOID = 0.0071 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M   1.27880              (2000.0)            P               Q
n   0.27320099     Peri.  298.40581     +0.88748813     +0.45646699
a   2.3522377      Node    34.54324     -0.37406532     +0.79375357
e   0.8513292      Incl.    6.40620     -0.26914672     +0.40198652
P   3.61           H   24.6           G   0.15           U   9

MPEC 2009 - H30

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