The 220 - 490 metre wide asteroid 2014 PS59 will make a close pass (51.1 lunar distances, 0.1313 AU), travelling at 16.43 km/second, to the Earth-Moon system on the 21st August 2014 @ 13:45 UT ±00:04.
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
Orbital elements:
2014 PS59 PHA, Earth MOID = 0.0153 AU
Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 MPC
M 26.58806 (2000.0) P Q
n 0.37314015 Peri. 223.12946 +0.89603350 -0.43795226
a 1.9108271 Node 162.42844 +0.44381433 +0.87893815
e 0.5329357 Incl. 13.98340 +0.01236174 +0.18885322
P 2.64 H 20.6 G 0.15 U 8