* Astronomy

Orbital elements:
2012 BU1                                                 Earth MOID = 0.0004 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M  45.28835              (2000.0)            P               Q
n   0.48195612     Peri.  133.22877     +0.37092464     -0.92863877
a   1.6111317      Node   294.99747     +0.84987322     +0.34235596
e   0.4415218      Incl.    0.42385     +0.37433998     +0.14290708
P   2.05           H   27.7           G   0.15           U   7

MPEC 2012 - B15

The 8 - 17 metre wide asteroid 2012 BU1 made a close pass (3.6 lunar distances, 0.0094 AU), travelling at 9.28 km/second, to the Earth-Moon system on the 14th January, 2012 @ 11:50 UT ±00:03.

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