* Astronomy

Near-miss asteroid will return next year
 
An amateur team discovered the unusual asteroid, dubbed 2012 DA14, on 22 February. Its small size and orbit meant that it was spotted only after it had flown past Earth at about seven times the distance of the Moon.
Read more 

Update:
The asteroid will make a return pass (0.000181 AU), travelling at 7.82 km/second, to the Earth-Moon system on the 15th February, 2013 @ 19:25 UT ±00:05.

ScienceCast: Record-Setting Asteroid Flyby

Spoiler

On Feb. 15th an asteroid about half the size of a football field will fly past Earth closer than many man-made satellites. Since regular sky surveys began in the 1990s, astronomers have never seen an object so big come so close to our planet.

Ephemeris

Date       UT      R.A. (J2000) Decl.    Delta     r     El.    Ph.  Mag
2013 02 14 000000 00 28 36.8 -72 29 20   0.0066  0.985   63.8 115.9  18.0
2013 02 14 020000 00 28 58.1 -72 36 12   0.0063  0.985   63.9 115.8  17.9
2013 02 14 040000 00 29 21.7 -72 43 45   0.0060  0.985   64.0 115.7  17.8
2013 02 14 060000 00 29 48.1 -72 52 04   0.0057  0.985   64.1 115.6  17.7
2013 02 14 080000 00 30 17.9 -73 01 19   0.0054  0.985   64.3 115.4  17.6
2013 02 14 100000 00 30 51.5 -73 11 38   0.0051  0.985   64.5 115.3  17.4
2013 02 14 120000 00 31 30.1 -73 23 13   0.0048  0.986   64.6 115.1  17.3
2013 02 14 140000 00 32 14.8 -73 36 19   0.0045  0.986   64.8 114.9  17.1
2013 02 14 160000 00 33 07.0 -73 51 16   0.0042  0.986   65.1 114.7  17.0
2013 02 14 180000 00 34 09.2 -74 08 29   0.0039  0.986   65.3 114.4  16.8
2013 02 14 200000 00 35 24.3 -74 28 32   0.0036  0.986   65.7 114.1  16.6
2013 02 14 220000 00 36 57.0 -74 52 09   0.0033  0.986   66.0 113.8  16.4
2013 02 15 000000 00 38 54.4 -75 20 25   0.0030  0.987   66.5 113.4  16.2
2013 02 15 020000 00 41 28.0 -75 54 51   0.0027  0.987   67.0 112.9  15.9
2013 02 15 040000 00 44 57.8 -76 37 41   0.0024  0.987   67.7 112.2  15.6
2013 02 15 060000 00 50 01.6 -77 32 25   0.0021  0.987   68.5 111.4  15.3
2013 02 15 080000 00 58 01.2 -78 44 43   0.0018  0.987   69.7 110.2  14.9
2013 02 15 100000 01 12 30.5 -80 24 13   0.0015  0.987   71.2 108.7  14.4
2013 02 15 120000 01 46 24.2 -82 47 00   0.0012  0.988   73.6 106.3  13.7
2013 02 15 140000 04 04 47.6 -85 51 30   0.00091 0.988   77.6 102.3  12.9
2013 02 15 160000 09 50 46.8 -81 48 20   0.00061 0.988   85.7  94.3  11.6
2013 02 15 180000 11 16 32.0 -57 22 29   0.00033 0.988  108.2  71.8   9.5
2013 02 15 200000 11 45 50.8 +20 12 14   0.00025 0.988  152.9  27.1   7.6
2013 02 15 220000 12 11 02.1 +63 43 13   0.00049 0.988  123.7  56.3   9.8
2013 02 16 000000 12 43 49.5 +76 25 54   0.00078 0.988  112.4  67.6  11.2
2013 02 16 020000 13 29 48.8 +81 49 37   0.0011  0.988  107.2  72.7  12.1
2013 02 16 040000 14 33 38.0 +84 30 08   0.0014  0.988  104.3  75.6  12.7
2013 02 16 060000 15 52 59.9 +85 46 01   0.0017  0.988  102.4  77.5  13.2
2013 02 16 080000 17 12 44.2 +86 11 37   0.0020  0.988  101.1  78.8  13.6
2013 02 16 100000 18 17 12.6 +86 10 17   0.0023  0.988  100.1  79.8  14.0
2013 02 16 120000 19 03 31.1 +85 57 29   0.0026  0.988   99.3  80.5  14.3
2013 02 16 140000 19 35 56.9 +85 41 04   0.0029  0.989   98.7  81.1  14.5
2013 02 16 160000 19 59 04.8 +85 24 23   0.0032  0.989   98.2  81.6  14.8
2013 02 16 180000 20 16 05.7 +85 08 41   0.0035  0.989   97.8  82.0  15.0
2013 02 16 200000 20 29 00.5 +84 54 20   0.0038  0.989   97.4  82.4  15.2
2013 02 16 220000 20 39 05.0 +84 41 24   0.0041  0.989   97.1  82.6  15.3
2013 02 17 000000 20 47 08.1 +84 29 46   0.0044  0.989   96.8  82.9  15.5
2013 02 17 020000 20 53 42.2 +84 19 18   0.0047  0.989   96.6  83.1  15.6
2013 02 17 040000 20 59 09.2 +84 09 53   0.0050  0.989   96.4  83.3  15.8
2013 02 17 060000 21 03 44.6 +84 01 22   0.0053  0.989   96.2  83.5  15.9
2013 02 17 080000 21 07 39.5 +83 53 39   0.0056  0.989   96.0  83.7  16.0