Active Sustainability standards

The following standards can be downloaded in PDF or MS Word format.

The European Space Agency hereby disclaims any liability for use of these electronic documents and assumes no responsibility for any error or omission therein. See the License agreement – Disclaimer for more information.


  1. ECSS-U-AS-10C Rev.1 – Adoption Notice of ISO 24113: Space systems – Space debris mitigation requirements
  2. ECSS-U-ST-20C – Space sustainability – Planetary protection (1 August 2019)