* Astronomy

The 320 - 710 metre wide asteroid 2013 WT44 will make a close pass (12.7 lunar distances, 0.0327 AU), travelling at 11.13 km/second, to the Earth-Moon system on the 18th March 2014 @ 07:10 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 17    09 29.43   -40 26.4    0.0338   1.016   127.8    50.7    14.2
2014 03 18    10 19.55   -35 41.7    0.0328   1.020   137.6    41.1    13.8
2014 03 19    11 04.41   -29 38.8    0.0331   1.023   147.5    31.5    13.6
2014 03 20    11 41.98   -23 06.7    0.0345   1.027   156.3    23.0    13.4
2014 03 21    12 12.33   -16 51.2    0.0371   1.032   162.9    16.5    13.4
2014 03 22    12 36.52   -11 18.6    0.0406   1.036   166.5    13.0    13.5
2014 03 23    12 55.81   -06 37.0    0.0447   1.040   166.7    12.8    13.7
2014 03 24    13 11.32   -02 43.4    0.0494   1.045   164.9    14.4    14.0
2014 03 25    13 23.92   +00 29.0    0.0545   1.049   162.6    16.5    14.3
2014 03 26    13 34.26   +03 07.6    0.0598   1.054   160.4    18.5    14.6
2014 03 27    13 42.84   +05 19.1    0.0655   1.059   158.4    20.3    14.8
2014 03 28    13 50.04   +07 08.9    0.0712   1.064   156.8    21.7    15.1
2014 03 29    13 56.13   +08 41.3    0.0772   1.069   155.4    22.9    15.3
2014 03 30    14 01.31   +09 59.7    0.0833   1.074   154.2    23.9    15.5
2014 03 31    14 05.76   +11 06.5    0.0894   1.079   153.2    24.6    15.7