* Astronomy

Orbital elements:
2014 TR57                                                Earth MOID = 0.0241 AU
Epoch 2014 Dec. 9.0 TT = JDT 2457000.5                  MPC
M  25.10025              (2000.0)            P               Q
n   0.39995979     Peri.    8.45589     +0.97703703     -0.21304500
a   1.8244214      Node     3.84949     +0.19256137     +0.87639625
e   0.4390088      Incl.    2.76146     +0.09120721     +0.43190444
P   2.46           H   25.2           G   0.15           U   7

MPEC 2014 - U07

The 24 - 55 metre wide asteroid 2014 TR57 made a close pass (12.2 lunar distances, 0.0314 AU) travelling at 5.96 km/second, to the Earth-Moon system on the 11th October 2014 @ 17:44 UT ±00:02. 

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