* Astronomy

Orbital elements:
2012 FZ23                                           PHA, Earth MOID = 0.0199 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 356.69982              (2000.0)            P               Q
n   0.25562116     Peri.  357.81616     -0.99911524     -0.04078775
a   2.4588848      Node   179.39277     +0.03323929     -0.61648310
e   0.6031989      Incl.   75.31896     -0.02576615     +0.78631097
P   3.86           H   17.7           G   0.15           U   8

MPEC 2012 - F70

The 760 - 1700 metre wide asteroid 2012 FZ23 will make a close pass (52.3 lunar distances, 0.1345 AU), travelling at 42.18 km/second, to the Earth-Moon system on the 25th March, 2012 @ 16:26 UT ±00:03.

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

Ephemeris

Date       UT      R.A. (J2000) Decl.    Delta     r     El.    Ph.   V
2012 03 24 000000 05 17 34.1 -21 07 13   0.141   0.976   77.6  94.3  16.8
2012 03 25 000000 05 22 40.3 -11 17 38   0.136   0.976   77.1  95.1  16.7
2012 03 26 000000 05 27 36.5 -01 01 48   0.135   0.976   76.8  95.4  16.7
2012 03 27 000000 05 32 23.0 +09 01 56   0.138   0.976   76.8  95.2  16.8
2012 03 28 000000 05 36 59.9 +18 19 24   0.146   0.976   77.0  94.6  16.8
2012 03 29 000000 05 41 27.7 +26 30 24   0.157   0.976   77.3  93.6  17.0