TechnicalSSA
Space Situational Awareness
The comprehensive knowledge of the space environment including tracking of space objects, space weather monitoring, and near-Earth object surveillance.
Space Situational Awareness (SSA) encompasses all activities to monitor and understand the space environment, essential for safe and sustainable space operations.
SSA Components
Space Surveillance and Tracking (SST):
- Cataloging space objects
- Tracking debris and active satellites
- Conjunction assessment
- Re-entry prediction
Space Weather:
- Solar activity monitoring
- Geomagnetic storm prediction
- Radiation environment
- Atmospheric density forecasting
Near-Earth Objects (NEO):
- Asteroid detection
- Impact risk assessment
- Planetary defense
EU SST Programme The EU operates a Space Surveillance and Tracking programme providing:
- Collision avoidance services
- Re-entry analysis
- Fragmentation detection
- Data sharing with operators
Data Sources
- Ground-based radar
- Optical telescopes
- Space-based sensors
- Operator-provided data
- International partnerships
Regulatory Integration Under the EU Space Act, SSA services are integrated with authorization and supervision processes.