Nearly 300 kg. NASA satellite set to crash into Earth
The satellite in question is the Reuven Ramaty High Energy Solar Spectroscopic Imager, launched in 2002 and retired in 2018. The odds are very low of anyone being hit.
An artistic illustration of NASA's Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) satellite.(photo credit: Wikimedia Commons)ByAARON REICH