* Astronomy

Orbital elements:
2011 BJ10                                                Earth MOID = 0.1175 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M  45.29763              (2000.0)            P               Q
n   0.61922964     Peri.  298.41244     +0.37445681     -0.83943297
a   1.3632271      Node   124.06597     +0.92564196     +0.36337116
e   0.2757093      Incl.   28.38956     -0.05448914     +0.40412090
P   1.59           H   24.2           G   0.15           U   8

MPEC 2011 - B27

The 39 - 86 metre wide asteroid 2011 BJ10 made a close pass (46.3 lunar distances, 0.1189 AU), travelling at 15.84 km/second, to the Earth-Moon system on the 19th January, 2011 @ 13:55 UT ±01:34.

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