* Astronomy

Orbital elements:
2010 FY9                                                 Earth MOID = 0.0098 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 125.29019              (2000.0)            P               Q
n   1.16798941     Peri.  336.08053     +0.89504280     +0.44596729
a   0.8929835      Node   357.42667     -0.39599073     +0.79118715
e   0.1486906      Incl.    4.34425     -0.20515782     +0.41849261
P   0.84           H   26.7           G   0.15           U   7

MPEC 2010 - F63

The 13 - 29 metre wide asteroid 2010 FY9 made a close pass (7.1-lunar distances, 0.0183-AU), travelling at 3.88-km/second, to the Earth-Moon system on the 19th March, 2010.

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