A massive, dead satellite will fall back to Earth this month. Here's what to expect from the ERS-2's re-entry.
A massive, dead ESA satellite will fall back to Earth later this month. The satellite, which is known as ERS-2, first launched into orbit in 1995. Now, almost thirty years later, it will return to the Earth, crashing down through the atmosphere in an uncontrolled reentry. ERS-2 has been inoperable since 2011 when the satellite was 'passivated,' which essentially means the ESA drained the batteries and fuel so that there was less chance of it blowing up and creating more space debris.
The ESA also took steps to ensure that the dead satellite would be in a fast enough orbital decay that it would reenter Earth's atmosphere within 15 years. Now the time has come, and the massive satellite is slated to fall back to Earth sometime in mid-February. It will make an uncontrolled descent, which means the ESA won't have any control over where the debris lands. It's unclear if it will completely burn up in reentry or if the spacecraft will survive until it hits the surface.
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