The 640 - 1400 metre wide asteroid 267223 (2001 DQ8) will make a close pass (73.9 lunar distances, 0.19012 AU), travelling at 33.88 km/second, to the Earth on the 1st May 2018 @ 07:41 UT ±00:01.
The 670 - 1500 metre wide asteroid 2001 DQ8 will make a close pass (74.3 lunar distances, 0.1910 AU), travelling at 33.90 km/second, to the Earth-Moon system on the 30th April, 2013 @ 21:50 UT ±00:01.