Two old satellites had an “alarming” chance of colliding in orbit in the skies above the skies on Pittsburgh.
On Monday, LeoLabs, a California company that tracks space debris in low earth orbit, announced it was tracking the two decommissioned spacecraft. It said there was a chance they hit at 6. 41 local time on Wednesday.
One was the Infrared Astronomical Satellite (IRAS), a space telescope that was a joint mission between Nasa, the Netherlands and the UK. It ran out of fuel in November .
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The second, GGSE-4, was an experimental US payload launched in May by the US Air Force.
If there had been a collision they could potentially create thousands of pieces of new space debris.