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Post Info TOPIC: Asteroid 2011 HP4
Blobrana


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RE: Asteroid 2011 HP4
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Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 04 29    14 54.28   -06 16.3    0.0226   1.029   169.0    10.8    20.0
2011 04 30    15 40.31   -09 08.2    0.0153   1.022   161.3    18.4    19.4
2011 05 01    17 35.85   -14 23.4    0.00957  1.014   135.3    44.3    19.1
2011 05 02    21 10.66   -14 29.6    0.00932  1.007    85.4    94.1    20.7
2011 05 03    23 13.78   -08 53.1    0.0148   1.000    56.2   123.0    23.4
2011 05 04    00 02.44   -05 48.3    0.0221   0.993    45.1   134.0    25.3

Google Earth file Asteroid 2011 HP4.kmz (16kb, kmz)



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Blobrana


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The 8 - 19 metre wide asteroid 2011 HP4 will make a close pass (3.3 lunar distances, 0.0085 AU), travelling at 14.32 km/second, to the Earth-Moon system on the 1st May, 2011 @ 12:50 UT ±00:02.

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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:
2011 HP4                                                 Earth MOID = 0.0004 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M 323.50926              (2000.0)            P               Q
n   0.30227140     Peri.  233.14008     +0.08731718     +0.99537220
a   2.1988959      Node    41.92470     -0.89380190     +0.09606506
e   0.6123371      Incl.    3.44277     -0.43987938     +0.00238693
P   3.26           H   27.5           G   0.15           U   7

MPEC 2011 - H43



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