• ROSAT Satellite: Uncontrolled Re-Entry on Oct. 22 or 23

    Another huge piece of space debris, a 2.6-ton, defunct German telescope called the Roentgen Satellite (ROSAT), will crash back to Earth Saturday or Sunday (Oct. 22 or 23), and the chances it will hit someone are even greater this time around. The odds are 1-in-2,000

  • Orbital debris and satellite re-entry

    Orbital debris is any man-made object in orbit about the Earth which no longer serves a useful purpose. Approximately 19,000 objects larger than 10 cm are known to exist. The estimated population of particles between 1 and 10 cm in diameter is approximately 500,000….

  • German satellite could collide with Earth in late 2011

    A German satellite called ROSAT weighing 2,426 kilograms (nearly 3 tons) is expected to crash from the sky in late 2011, according to calculations made by the German Space Agency, commonly known by the German acronym DLR. “We expect the satellite to re-enter the