Asteroid 2018 XA4 flew past Earth at 0.97 LD
A newly discovered asteroid designated 2018 XA4 flew past Earth at a distance of 0.97 LD / 0.00248 AU (371 002 km / 230 530 miles) on December 11, 2018. This is 73rd known asteroid to flyby Earth within 1 lunar distance since the start of the year. This object…