* Astronomy

The 330 - 750 metre wide asteroid 2010 LE15 will make a close pass (15.5 lunar distances, 0.0399 AU), travelling at 9.43 km/second, to the Earth-Moon system on the 12th August 2014 @ 00:53 UT ±00:01. 

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     Mag
2014 08 11    02 49.44   -20 57.3    0.0403   1.023   102.9    74.9    15.2
2014 08 12    03 16.41   -25 38.7    0.0399   1.020    98.5    79.2    15.3
2014 08 13    03 45.53   -30 00.5    0.0403   1.017    94.0    83.7    15.5
2014 08 14    04 16.06   -33 48.9    0.0413   1.013    89.5    88.2    15.7
2014 08 15    04 47.03   -36 55.0    0.0430   1.010    85.1    92.5    16.0
2014 08 16    05 17.36   -39 16.4    0.0453   1.007    81.1    96.4    16.3
2014 08 17    05 46.12   -40 56.2    0.0481   1.003    77.4    99.9    16.5
2014 08 18    06 12.62   -42 01.0    0.0513   1.000    74.2   103.0    16.8
2014 08 19    06 36.54   -42 38.1    0.0548   0.996    71.3   105.7    17.1
2014 08 20    06 57.80   -42 54.5    0.0586   0.992    68.8   108.0    17.4
2014 08 21    07 16.55   -42 56.2    0.0627   0.989    66.6   110.1    17.6
2014 08 22    07 33.01   -42 47.5    0.0669   0.985    64.6   111.9    17.9
2014 08 23    07 47.45   -42 31.8    0.0713   0.981    62.8   113.4    18.1
2014 08 24    08 00.13   -42 11.6    0.0758   0.977    61.3   114.8    18.3
2014 08 25    08 11.30   -41 48.4    0.0804   0.973    59.8   116.1    18.5
2014 08 26    08 21.19   -41 23.4    0.0851   0.969    58.5   117.2    18.7
2014 08 27    08 29.98   -40 57.4    0.0899   0.965    57.3   118.2    18.9
2014 08 28    08 37.83   -40 30.8    0.0947   0.961    56.2   119.1    19.1
2014 08 29    08 44.89   -40 03.9    0.0996   0.957    55.1   120.0    19.2
2014 08 30    08 51.25   -39 37.1    0.105    0.952    54.1   120.7    19.4
2014 08 31    08 57.02   -39 10.4    0.110    0.948    53.2   121.5    19.5