* Astronomy

Orbital elements:
2009 UU87                                                Earth MOID = 0.0508 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  19.54070              (2000.0)            P               Q
n   0.45458512     Peri.  207.44581     +0.45345800     -0.87439548
a   1.6751714      Node   216.34750     +0.86180708     +0.47956035
e   0.3947882      Incl.   16.93611     +0.22729805     -0.07385403
P   2.17           H   25.5           G   0.15           U   8

MPEC 2009 - U117

The 21 - 48 metre wide asteroid 2009 UU87 will make a close pass (21.8 Lunar Distances, 0.0561 AU), travelling at 11.15 km/s, to the Earth-Moon system on the 31st October, 2009.

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