Information last updated on 20 September 2021

Number of rocket launches since the start of the space age in 1957
About 6110 (excluding failures)
Number of satellites these rocket launches have placed into Earth orbit
About 12070
Number of these still in space
About 7550
Number of these still functioning
About 4700
Number of debris objects regularly tracked by Space Surveillance Networks and maintained in their catalogue
About 29520
Estimated number of break-ups, explosions, collisions, or anomalous events resulting in fragmentation
More than 630
Total mass of all space objects in Earth orbit
More than 9600 tonnes
Number of debris objects estimated by statistical models to be in orbit
36500 objects greater than 10 cm
1000000 objects from greater than 1 cm to 10 cm
330 million objects from greater than 1 mm to 1 cm