Answer:
Asteroid 2003 SD220 is around 1.5 miles wide, and is moving at a speed of 17.5 miles/second.
It will be approximately 6.7 million miles away from Earth when it passes by.
The only 'risk' that it poses is negligible,
and will come from any debris that breaks away from the Asteroid's own gravity, if the debris comes toward us.
Explanation:
