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Facts and figures About EU SST EU Space Surveillance and Tracking EU SST is a key capability that helps to protect space infrastructure and services from in orbit collisions between space objects and other disruptions It thereby safeguards European economies societies and citizens who increasingly rely on space based services such as navigation or Earth observation and so contributes to the resilience of European space assets and to a higher level of EU strategic autonomy Integrated in 2021 as a full fledged subcomponent of the EU Space Programme EU SST is fully operational with its own network of sensors from EU Member States a database connecting national Operations Centres and services provided to users through the EU SST Front Desk at EUSPA It is also security relevant its internal data policy protects sensitive information and the security interests of EU SST partners Milestones 40 sensors from EU Member States contributing 500k measurements shared per day on average 14k objects observed in the last year 190 organisations registered 400 spacecraft protected SST Decision is adopted No 541 2014 EU Start of operations SST services are provided to SST users SST becomes a subcomponent of the EU Space Programme Regulation EU 2021 696 EU SST Partnership Agreement is signed by 15 EU Member States 2014 2015 2016 2018 2021 2022 2023 Consortium Agreement is signed by five EU Member States Three new Member States join Consortium EU SST becomes a key operational capability for the EU approach on Space Traffic Management JOIN 2022 4 EU SST Partnership takes over provision of SST services in cooperation with EUSPA Priorities for 2023 2025 Improve the performance of SST core services and develop additional services Open SST services to international users Research and further develop EU SST capabilities Develop and use innovative technologies to face challenges raised by STM Strengthen and enhance the EU ecosystem in commercial sensors and data provision Foster synergies between civil and defence capabilities Find out more on www eusst eu EU_SST EU SST EUSST SST Cooperation 2023

Service Provision Collision Avoidance CA Re entry Analysis RE Fragmentation Analysis FG provides risk assessments of potential collisions between space objects and recommendations to spacecraft operators on how to mitigate the risk OK WARNING provides risk assessments of uncontrolled re entries of space objects into the Earth s atmosphere 1 frag 10cm 1 frag 1m 2193 frag 10cm provides detection and characterisation assessments of in orbit fragmentations break ups or collisions 57 organisations registered 402 spacecraft safeguarded 781 high risk close approaches monitored in the last year 1 taskforce activations for critical CA events in the last year Front Desk 150 organisations registered 94 re entries monitored in the last year of which 2 of major risk 2 taskforce activations for critical RE events in the last year The Front Desk provides the secure interface for delivering the SST services to users SST Portal and ensures user support and engagement 123k products delivered through the SST Portal in the last year 123 new users registered in the last year 147 organisations registered 6 fragmentation events first reported in the last year 661 fragments first reported in the last year 1 taskforce activations for critical FG events in the last year 109 new satellites registered in the last year 604 user requests handled by the SST Helpdesk in the last year Latest update 01 07 2023 Feedback from users 8 5 Global Satisfaction Score 9434 monthly average website visitors in the last year 10k social media followers in total 4 taskforce activations for critical events in the last year 68 indicators monitored to report on the performance of EU SST The flexibility to adjust the services to the operator s needs as for Sentinel 6 acquisition and Metop A end of life operations is very useful EUMETSAT The Collision Avoidance service is very responsive Its personnel is highly attentive and the on call team is excellent ICEYE Funded by the European Union This message reflects only the SST Cooperation s actions and the European Commission and the European Health and Digital Executive Agency are not responsible for any use that may be made of the information it contains