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Post Info TOPIC: Asteroid 2011 EM11


L

Posts: 131433
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RE: Asteroid 2011 EM11
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The 32 - 72 metre wide asteroid 2011 EM11 will make a close pass (74.7 lunar distances, 0.1919 AU), travelling at 8.09 km/second, to the Earth-Moon system on the 2nd April, 2013 @ 13:56 UT ±1 day 00:59. 

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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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Ephemeris
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 03 10 11 47.32 +12 42.0 0.0674 1.059 169.2 10.1 19.4
2011 03 11 11 57.83 +14 39.4 0.0670 1.058 166.3 12.8 19.5
2011 03 12 12 08.59 +16 35.5 0.0668 1.058 163.4 15.6 19.6
2011 03 13 12 19.56 +18 28.9 0.0669 1.057 160.5 18.3 19.7
2011 03 14 12 30.68 +20 18.7 0.0672 1.057 157.7 20.9 19.8
2011 03 15 12 41.86 +22 03.6 0.0678 1.056 154.9 23.5 19.9
2011 03 16 12 53.05 +23 42.8 0.0686 1.056 152.2 26.0 20.0
2011 03 17 13 04.18 +25 15.7 0.0696 1.055 149.6 28.5 20.1
2011 03 18 13 15.17 +26 41.7 0.0708 1.055 147.1 30.8 20.2
2011 03 19 13 25.97 +28 00.8 0.0721 1.055 144.8 33.0 20.3
2011 03 20 13 36.52 +29 12.7 0.0737 1.055 142.5 35.0 20.4
2011 03 21 13 46.77 +30 17.6 0.0754 1.055 140.5 36.9 20.5
2011 03 22 13 56.67 +31 15.9 0.0773 1.055 138.5 38.7 20.6
2011 03 23 14 06.19 +32 07.6 0.0793 1.056 136.7 40.4 20.7
2011 03 24 14 15.31 +32 53.4 0.0815 1.056 135.0 41.9 20.8
2011 03 25 14 24.01 +33 33.6 0.0837 1.056 133.5 43.2 20.9
2011 03 26 14 32.28 +34 08.7 0.0861 1.057 132.1 44.5 21.0
2011 03 27 14 40.12 +34 39.0 0.0885 1.058 130.8 45.6 21.1
2011 03 28 14 47.53 +35 05.2 0.0910 1.058 129.6 46.6 21.2
2011 03 29 14 54.52 +35 27.4 0.0936 1.059 128.5 47.5 21.3
2011 03 30 15 01.09 +35 46.3 0.0963 1.060 127.6 48.3 21.4
2011 03 31 15 07.26 +36 02.0 0.0990 1.061 126.7 49.0 21.4


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L

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The 34 - 75 metre wide asteroid 2011 EM11 will make a close pass (26.1 lunar distances, 0.0671 AU), travelling at 6.53 km/second, to the Earth-Moon system on the 12th March, 2011 @ 03:24 UT ±03:28.

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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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Orbital elements:
2011 EM11 Earth MOID = 0.0667 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 340.73709 (2000.0) P Q
n 0.48659905 Peri. 14.06344 -0.99906162 -0.01011769
a 1.6008669 Node 165.16305 -0.00057607 -0.96914192
e 0.3409135 Incl. 9.46586 +0.04330764 -0.24629569
P 2.03 H 24.5 G 0.15 U 8

MPEC 2011 - E25


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