It's 1.7 miles long.
Its surface is covered in a sticky black substance similar to the gunk at the bottom of a barbecue.
If it impacted Earth it would probably result in global extinction.
Good thing it is just making a flyby.
Asteroid 1998 QE2 will make its closest pass to Earth on May 31 at 1:59 p.m. PDT.
Regarding 1998 QE2:
NBC News: "Stock Up On Canned Goods"