Truck-sized asteroid swept within 2,000 miles on Sunday
Posted by Deborah Byrd in SPACE | August 19, 2020
Asteroid ZTF0DxQ – now officially labeled 2020 QG – now holds the record for the closest flyby of Earth. It swept just 2,000 miles (3,000 km) from Earth’s surface, or about a quarter of the diameter of Earth itself.
Posted by Deborah Byrd in SPACE | August 19, 2020
Asteroid ZTF0DxQ – now officially labeled 2020 QG – now holds the record for the closest flyby of Earth. It swept just 2,000 miles (3,000 km) from Earth’s surface, or about a quarter of the diameter of Earth itself.
The blue ball in the lower left of this image represents Earth. The curved green arrow represents asteroid 2020 QG, whose orbit was changed by its near-Earth encounter on Sunday. The tick marks on the green line represent 30-minute intervals. You can see that this asteroid was really zooming past! Image via Minor Planet Center. |
Should we be glad it didn’t hit us, or mad it wasn’t detected earlier? Neither one.
And here’s why: relatively speaking, this object is very, very small.