The 33 - 73 metre wide asteroid 2014 EF4 will make a close pass (32.0 lunar distances, 0.0823 AU), travelling at 5.38 km/second, to the Earth-Moon system on the 8th April 2014 @ 09:07 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 04 07 15 52 33.1 +50 09 48 0.08198 1.0348 112.3 63.5 21.6 2014 04 08 16 06 02.8 +50 02 40 0.08188 1.0332 110.9 64.8 21.6 2014 04 09 16 19 23.0 +49 48 59 0.08189 1.0317 109.5 66.2 21.7 2014 04 10 16 32 28.4 +49 29 02 0.08201 1.0303 108.2 67.4 21.7 2014 04 11 16 45 14.3 +49 03 11 0.08222 1.0290 107.0 68.6 21.7 2014 04 12 16 57 36.8 +48 31 51 0.08252 1.0278 105.8 69.8 21.8 2014 04 13 17 09 33.0 +47 55 31 0.08292 1.0267 104.7 70.9 21.8 2014 04 14 17 21 00.4 +47 14 44 0.08341 1.0256 103.6 71.9 21.9 2014 04 15 17 31 57.6 +46 30 01 0.08399 1.0247 102.6 72.8 21.9 2014 04 16 17 42 23.8 +45 41 56 0.08465 1.0239 101.7 73.7 22.0 2014 04 17 17 52 18.7 +44 51 00 0.08539 1.0231 100.8 74.5 22.0 2014 04 18 18 01 42.6 +43 57 43 0.08620 1.0225 100.0 75.2 22.1 2014 04 19 18 10 36.1 +43 02 33 0.08708 1.0219 99.3 75.9 22.1 2014 04 20 18 19 00.1 +42 05 56 0.08803 1.0215 98.6 76.5 22.1 2014 04 21 18 26 55.8 +41 08 16 0.08904 1.0211 98.1 77.0 22.2 2014 04 22 18 34 24.5 +40 09 52 0.09011 1.0208 97.6 77.4 22.2 2014 04 23 18 41 27.4 +39 11 04 0.09124 1.0207 97.1 77.8 22.3 2014 04 24 18 48 06.0 +38 12 06 0.09241 1.0206 96.7 78.1 22.3 2014 04 25 18 54 21.7 +37 13 12 0.09364 1.0206 96.4 78.3 22.3 2014 04 26 19 00 15.8 +36 14 34 0.09490 1.0208 96.2 78.5 22.4 2014 04 27 19 05 49.6 +35 16 20 0.09621 1.0210 96.0 78.6 22.4 2014 04 28 19 11 04.5 +34 18 39 0.09756 1.0213 95.9 78.7 22.4 2014 04 29 19 16 01.6 +33 21 36 0.09893 1.0217 95.8 78.7 22.5 2014 04 30 19 20 42.1 +32 25 16 0.1003 1.0222 95.8 78.6 22.5
