* Astronomy

Orbital elements:
2012 FS23                                                Earth MOID = 0.1574 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 291.25896              (2000.0)            P               Q
n   0.84113890     Peri.  318.26166     +0.68501820     +0.72652750
a   1.1114525      Node   354.16947     -0.44393901     +0.35759318
e   0.5936510      Incl.   32.06118     -0.57764022     +0.58675796
P   1.17           H   21.2           G   0.15           U   9

MPEC 2012 - F63

The 160 - 360 metre wide asteroid 2012 FS23 will make a close pass (70.7 lunar distances, 0.1818 AU), travelling at 21.92 km/second, to the Earth-Moon system on the 28th March, 2012 @ 05:57 UT ±03:01.

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