* Astronomy

Orbital elements:
2013 BB74                                                Earth MOID = 0.0228 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M 129.51971              (2000.0)            P               Q
n   0.88206110     Peri.   96.23015     +0.65369621     -0.72848331
a   1.0768047      Node   310.78634     +0.54192508     +0.63963892
e   0.1971932      Incl.   15.70294     +0.52820306     +0.24530415
P   1.12           H   26.3           G   0.15           U   7

MPEC 2013 - C06

Key to Orbital elements

The 15 - 33 metre wide asteroid 2013 BB74 made a close pass (9.3 lunar distances, 0.0238 au), travelling at 10.01 km/second, to the Earth-Moon system on the 28th January, 2013 @ 05:53 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).