* Astronomy

Orbital elements:
2009 XP2                                                 Earth MOID = 0.0154 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  39.13338              (2000.0)            P               Q
n   0.73598551     Peri.  325.84644     +0.68953312     -0.70664627
a   1.2149448      Node    79.98575     +0.69527855     +0.58448227
e   0.1984432      Incl.    9.27571     +0.20280978     +0.39878757
P   1.34           H   24.8           G   0.15           U   8

MPEC 2009 - X50

The 30 - 67 metre wide asteroid 2009 XP2 made a close pass (8.5 lunar distances, 0.0218 AU), travelling at 6.50 km/second, to the Earth-Moon system on the 10th December, 2009.

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