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# Belgium, Bulgaria, Lithuania and Luxembourg join EU space surveillance pact
- URL: https://sovereigntymonitor.eu/news/2025-12-17-eu-sst-partnership-new-members/
- Published: 2025-12-17T12:00:00.000Z
- Updated: 2026-10-08T12:01:54.000Z
- Description: The European Commission approved Belgium, Bulgaria, Lithuania and Luxembourg as new members of the EU Space Surveillance and Tracking Partnership on 17 December 2025, taking it to 19 states. The partnership networks national sensors to track over 600 satellites and debris.
- Author: Reidar Balstad
- Tags: Defence and space, #news, #verified, #ai-drafted

Verified AI-drafted [European Commission (DG Defence Industry and Space) notice, 19 December 2025](https://defence-industry-space.ec.europa.eu/belgium-bulgaria-lithuania-and-luxembourg-are-set-join-eu-sst-partnership-2025-12-19%5Fen?ref=sovereigntymonitor.eu)

**What it does not test.** Does not establish that the four states have yet contributed sensor assets to the shared network.

**How this item counts.** This item is dated before the index starts on 1 January 2026, so it does not count in the [European Sovereignty Index](https://sovereigntymonitor.eu/sovereignty-index/).

**How this item was made.** Drafted by an AI system (Claude (Anthropic)) from the source cited above and published under the editor’s responsibility without a person reading it first. [How the record is made](https://sovereigntymonitor.eu/method/#how-the-record-is-made)