The 20 - 45 metre wide asteroid 2014 EP12 will make a close pass (2.9 lunar distances, 0.0074 AU), travelling at 9.95 km/second, to the Earth-Moon system on the 14th March, 2014 @ 01:39 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 03 13 12 06.74 +12 49.6 0.00962 1.003 166.9 13.0 16.2 2014 03 14 13 49.97 -13 25.1 0.00742 1.000 142.8 37.0 16.3 2014 03 15 16 07.42 -37 37.3 0.00913 0.997 106.3 73.2 17.9 2014 03 16 17 49.82 -44 59.1 0.0133 0.994 87.3 92.0 19.4 2014 03 17 18 46.79 -46 12.5 0.0184 0.991 78.4 100.6 20.5 2014 03 18 19 19.28 -46 06.0 0.0237 0.989 73.8 104.9 21.2 2014 03 19 19 39.57 -45 44.1 0.0292 0.986 71.2 107.2 21.8 2014 03 20 19 53.30 -45 21.3 0.0348 0.984 69.7 108.4 22.2