* Astronomy

The 1200 - 2600 metre wide asteroid 2007 SJ will make a close pass (18.9 lunar distances, 0.0486 AU), travelling at 17.22 km/second, to the Earth-Moon system on the 21st January 2014 @ 15:39 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
2013 12 20    23 26 46.4 +38 51 59   0.1711  1.0272    99.9    70.6    15.6
2013 12 21    23 24 26.9 +38 39 16   0.1669  1.0222    98.6    72.1    15.6
2013 12 22    23 22 04.2 +38 25 59   0.1626  1.0173    97.3    73.5    15.6
2013 12 23    23 19 37.6 +38 12 01   0.1584  1.0125    96.0    75.0    15.5
2013 12 24    23 17 06.4 +37 57 18   0.1541  1.0079    94.7    76.6    15.5
2013 12 25    23 14 29.9 +37 41 43   0.1498  1.0033    93.3    78.1    15.5
2013 12 26    23 11 47.2 +37 25 08   0.1454  0.9989    91.9    79.8    15.5
2013 12 27    23 08 57.2 +37 07 26   0.1411  0.9946    90.4    81.4    15.5
2013 12 28    23 05 59.1 +36 48 26   0.1367  0.9905    89.0    83.1    15.5
2013 12 29    23 02 51.6 +36 27 56   0.1323  0.9865    87.5    84.8    15.5
2013 12 30    22 59 33.4 +36 05 44   0.1278  0.9826    85.9    86.6    15.4
2013 12 31    22 56 03.3 +35 41 33   0.1234  0.9789    84.3    88.5    15.4