The 100 - 230 metre wide asteroid 350462 (1998 KG3) will make a close pass (50.5 lunar distances, 0.12989 AU), travelling at 3.09 km/second, to the Earth on the 30th March 2018 @ 07:11 UT ±00:01.
The 95 - 210 metre wide asteroid 1998 KG3 will make a close pass (50.4 lunar distances, 0.1294 AU), travelling at 3.08 km/second, to the Earth-Moon system on the 29th March, 2013 @ 12:32 UT ±00:01.