Information last updated on 26 June 2025

Number of rocket launches since the start of the space age in 1957
About 6960 (excluding failures)
Number of satellites these rocket launches have placed into Earth orbit
About 22310
Number of these still in space
About 14690
Number of these still functioning
About 12000
Number of space objects regularly tracked by Space Surveillance Networks and maintained in their catalogue
About 42000
Estimated number of break-ups, explosions, collisions, or anomalous events resulting in fragmentation
More than 650
Total mass of all space objects in Earth orbit
More than 14300 tonnes
Not all objects are tracked and catalogued. The number of objects estimated based on statistical models to be in orbit (MASTER-8, reference population 08/2024)
54000 space objects greater than 10 cm (including approx. 9300 active payloads)
1.2 million space debris objects from greater than 1 cm to 10 cm
140 million space debris objects from greater than 1 mm to 1 cm