* Astronomy

Orbital elements:
2013 BC74                                                Earth MOID = 0.0505 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M  75.44690              (2000.0)            P               Q
n   0.60092745     Peri.  123.98808     +0.23783047     -0.93843697
a   1.3907680      Node   310.17742     +0.74737663     +0.34155750
e   0.3298150      Incl.   19.14237     +0.62037476     -0.05171581
P   1.64           H   23.2           G   0.15           U   7

MPEC 2013 - C03

Key to Orbital elements

The 58 - 130 metre wide asteroid 2013 BC74 made a close pass (19.8 lunar distances, 0.0509 au), travelling at 12.56 km/second, to the Earth-Moon system on the 25th January, 2013 @ 17:53 UT ±00:02. 

See more

The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).