The 6 - 12 metre wide asteroid 2013 RZ5 will make a close pass (61.3 LD, 0.1574 AU) travelling at 21.73 km/second, to the Earth-Moon system on the 26th August 2015 @ 23:20 UT ±10:25.
The 6 - 13 metre wide asteroid 2013 RZ5 made a close pass (1.1 lunar distances, 0.0030 AU), travelling at 17.12 km/second, to the Earth-Moon system on the 4th September, 2013 @ 07:00 UT ±00:01.