* Astronomy

Orbital elements:
2009 UK1                                                 Earth MOID = 0.0027 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  16.35706              (2000.0)            P               Q
n   0.30545371     Peri.   45.98433     +0.54435436     -0.83885322
a   2.1835968      Node    11.03558     +0.76677007     +0.49665735
e   0.5666345      Incl.    0.56821     +0.34020874     +0.22283794
P   3.23           H   26.2           G   0.15           U   6

MPEC 2009 - U28

The 15 - 34 metre wide asteroid 2009 UK1 made a close pass (5.2 Lunar Distances, 0.0134 AU), travelling at 9.66 km/s, to the Earth-Moon system on the 16th 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).