About 4,600 launches have been made since the first launch of Earth's man-made satellite in 1957. Nowadays, there are about 6,000 artificial satellites orbiting the planet.
About 400 of them orbit Earth beyond its orbit.
About 800 satellites are currently functioning of the total number of 5,600.
The connection with the rest of the satellites has been lost.
A huge amount of fragments and debris - from screwdrivers to fuel tanks - orbit the planet.
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