* Astronomy

Orbital elements:
2007 TD71                                           PHA, Earth MOID = 0.0297 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 259.55848              (2000.0)            P               Q
n   0.67554515     Peri.  220.73073     -0.16997978     +0.79571072
a   1.2863717      Node    49.60803     -0.58205127     +0.39495735
e   0.2795168      Incl.   49.75416     -0.79518752     -0.45918749
P   1.46           H   18.5           G   0.15           U   3

MPEC 2010 - A03

The 530 - 1200 metre wide asteroid 2007 TD71 will make a close pass (74.5 lunar distances, 0.1914 AU), travelling at 28.77 km/second, to the Earth-Moon system on the 1st May, 2010.

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