* Astronomy

The 64 - 140 metre wide asteroid 2011 EW4 will make a close pass (30.5 lunar distances, 0.0783 AU), travelling at 9.50 km/second, to the Earth-Moon system on the 13th August 2014 @ 05:04 UT ±1 day 01:19. 

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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 12    04 46 19.8 +07 25 05   0.07274 0.9893    68.7   107.4    21.4
2014 08 13    04 30 07.2 +09 13 11   0.07212 0.9947    73.1   102.9    21.2
2014 08 14    04 13 36.5 +10 59 56   0.07190 1.0001    77.7    98.3    20.9
2014 08 15    03 56 56.1 +12 43 28   0.07209 1.0056    82.2    93.7    20.7
2014 08 16    03 40 14.9 +14 22 03   0.07269 1.0111    86.7    89.2    20.6
2014 08 17    03 23 41.7 +15 54 13   0.07369 1.0167    91.2    84.7    20.4
2014 08 18    03 07 25.0 +17 18 52   0.07506 1.0223    95.6    80.3    20.3
2014 08 19    02 51 32.5 +18 35 18   0.07678 1.0279    99.8    76.0    20.2
2014 08 20    02 36 10.5 +19 43 10   0.07885 1.0336   103.8    71.9    20.2
2014 08 21    02 21 24.1 +20 42 30   0.08122 1.0393   107.7    68.0    20.1
2014 08 22    02 07 17.1 +21 33 35   0.08388 1.0451   111.4    64.3    20.1
2014 08 23    01 53 51.9 +22 16 52   0.08680 1.0508   114.9    60.8    20.1
2014 08 24    01 41 09.6 +22 52 57   0.08998 1.0566   118.2    57.5    20.1
2014 08 25    01 29 10.6 +23 22 30   0.09337 1.0624   121.3    54.4    20.1
2014 08 26    01 17 54.2 +23 46 10   0.09697 1.0682   124.2    51.5    20.1
2014 08 27    01 07 19.3 +24 04 39   0.1008  1.0741   126.9    48.8    20.1
2014 08 28    00 57 24.4 +24 18 32   0.1047  1.0799   129.5    46.2    20.1
2014 08 29    00 48 07.6 +24 28 24   0.1089  1.0858   131.9    43.8    20.2
2014 08 30    00 39 26.8 +24 34 46   0.1131  1.0917   134.2    41.5    20.2
2014 08 31    00 31 20.0 +24 38 06   0.1176  1.0976   136.3    39.4    20.2