The 32 - 71 metre wide asteroid 2014 DM23 will make a close pass (30.8 lunar distances, 0.0790 AU), travelling at 4.12 km/second, to the Earth-Moon system on the 16th March, 2014 @ 04:00 UT ±00:05.
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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 15 13 05.86 -18 33.3 0.0796 1.064 150.0 27.8 20.5 2014 03 16 13 07.57 -20 14.6 0.0796 1.064 149.5 28.3 20.5 2014 03 17 13 09.26 -21 55.1 0.0796 1.064 148.9 28.9 20.5 2014 03 18 13 10.93 -23 34.5 0.0797 1.064 148.3 29.4 20.5 2014 03 19 13 12.58 -25 12.4 0.0799 1.064 147.7 30.0 20.5 2014 03 20 13 14.20 -26 48.7 0.0803 1.064 147.0 30.6 20.6 2014 03 21 13 15.79 -28 23.1 0.0807 1.064 146.4 31.2 20.6 2014 03 22 13 17.35 -29 55.4 0.0811 1.064 145.7 31.8 20.6 2014 03 23 13 18.88 -31 25.4 0.0817 1.065 145.1 32.4 20.7 2014 03 24 13 20.37 -32 52.9 0.0824 1.065 144.4 33.0 20.7 2014 03 25 13 21.84 -34 17.7 0.0831 1.065 143.8 33.6 20.7 2014 03 26 13 23.26 -35 39.8 0.0839 1.066 143.2 34.1 20.8 2014 03 27 13 24.65 -36 59.0 0.0848 1.066 142.5 34.7 20.8 2014 03 28 13 26.00 -38 15.3 0.0857 1.067 142.0 35.2 20.9 2014 03 29 13 27.32 -39 28.7 0.0867 1.067 141.4 35.7 20.9 2014 03 30 13 28.60 -40 38.9 0.0878 1.068 140.9 36.2 20.9 2014 03 31 13 29.84 -41 46.2 0.0889 1.069 140.4 36.6 21.0
