A few weeks later, on the night of Halloween, the skull-shaped asteroid flew by Earth at its closest proximity, just 486,000 km (about 300,000 miles) away, or roughly 1.3 times the distance to the moon. The asteroid 2015 TB145 will return for another fly-by in November, 2018, but significantly further away—105 times the average lunar distance.
read here - A skull-shaped asteroid will approach Earth again in 2018