Under debris means all man-made objects and their fragments in space, which is already defective, do not function and never will be able to serve any useful purpose, but it is a dangerous factor affecting the operating spacecraft (SC), especially manned. In some cases, large or containing dangerous on board (nuclear, toxic, and so on. N.) Material debris objects can pose a direct danger to the Earth - in their uncontrolled descent from orbit, the incomplete combustion of the passage of the dense layers of the Earth's atmosphere and loss of fragments on settlements, industrial sites, transportation routes, and so on. n
