The 370 - 820 metre wide asteroid 2005 YP180 will make a close pass (30.5 lunar distances, 0.0783 AU), travelling at 17.22 km/second, to the Earth-Moon system on the 20th January 2014 @ 11:40 UT ±00:01.
See moreThe 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 19 18 59 59.6 -19 04 27 0.3832 0.6291 17.5 151.9 25.0 2013 12 20 18 59 07.8 -19 07 56 0.3684 0.6387 16.3 154.4 25.5 2013 12 21 18 58 02.8 -19 12 22 0.3539 0.6485 15.1 156.8 26.1 2013 12 22 18 56 44.3 -19 17 48 0.3398 0.6586 13.7 159.2 26.8 2013 12 23 18 55 11.9 -19 24 16 0.3261 0.6688 12.4 161.6 27.6 2013 12 24 18 53 25.1 -19 31 48 0.3127 0.6793 11.0 164.0 28.6 2013 12 25 18 51 23.5 -19 40 27 0.2996 0.6898 9.5 166.4 29.8 2013 12 26 18 49 06.2 -19 50 16 0.2869 0.7006 8.0 168.7 31.5 2013 12 27 18 46 32.6 -20 01 16 0.2744 0.7114 6.5 171.0 33.9 2013 12 28 18 43 41.7 -20 13 32 0.2623 0.7224 4.9 173.3 2013 12 29 18 40 32.1 -20 27 07 0.2505 0.7335 3.5 175.3 2013 12 30 18 37 02.6 -20 42 05 0.2390 0.7447 2.5 176.7 2013 12 31 18 33 11.2 -20 58 29 0.2278 0.7559 2.7 176.5