Policy & sustainability · Operations
Space Situational Awareness
The tracking and cataloguing of the tens of thousands of objects in orbit, and the prediction of close approaches, so that operators can be warned and collisions avoided. It is the sensing foundation on which any traffic management must rest.
Treaties, bodies & topics
Across space policy
Knowledge connections
- Associated withSpace Traffic Management
- Associated withOrbital Debris
- Associated withSpace Traffic Management
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.