Information last updated on 06 December 2023

Number of rocket launches since the start of the space age in 1957
About 6500 (excluding failures)
Number of satellites these rocket launches have placed into Earth orbit
About 16990
Number of these still in space
About 11500
Number of these still functioning
About 9000
Number of debris objects regularly tracked by Space Surveillance Networks and maintained in their catalogue
About 35150
Estimated number of break-ups, explosions, collisions, or anomalous events resulting in fragmentation
More than 640
Total mass of all space objects in Earth orbit
More than 11500 tonnes
Not all objects are tracked and catalogued. The number of debris objects estimated based on statistical models to be in orbit (MASTER-8, future population 2021)
36500 space debris objects greater than 10 cm
1000000 space debris objects from greater than 1 cm to 10 cm
130 million space debris objects from greater than 1 mm to 1 cm