* Astronomy

Orbital elements:
2013 LL25                                                Earth MOID = 0.0178 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M 333.38141              (2000.0)            P               Q
n   0.26638095     Peri.   73.61688     +0.87844334     +0.44045951
a   2.3922172      Node   259.93281     -0.47773470     +0.80113512
e   0.6830251      Incl.   10.84708     -0.01033759     +0.40518878
P   3.70           H   22.7           G   0.15           U   7

MPEC 2013 - L58

Key to Orbital elements

The 77 - 170 metre wide asteroid 2013 LL25 made a close pass (20.4 lunar distances, 0.0525 AU), travelling at 19.64 km/second, to the Earth-Moon system on the 12th June, 2013 @ 13:05 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).