欧洲航天局（ESA）：2026年度太空环境报告（英文版）（151页）.pdf

1、ESA UNCLASSIFIED-Releasable to the PublicESA ESOCRobert-Bosch-Strasse 5D-64293 DarmstadtGermanyESAS ANNUAL SPACE ENVIRONMENT REPORTPrepared byESA Space Debris OfficeDocument TypeLOGReferenceGEN-DB-LOG-00288-OPS-SDIssue/Revision10.0Date of Issue1 May 2026StatusFinalESA UNCLASSIFIED-Releasable to the

2、PublicTable of contentsExecutive summary.31.Introduction.121.1.Definitions.131.2.Data sources.151.3.Methodology.161.4.Notable changes.171.5.Acknowledgements.211.6.Disclaimer.212.Space Environmental History in Numbers.222.1.Overall Space Environment.232.2.Evolution of Environment in LEO.272.3.Evoluti

3、on of Environment in GEO.292.4.Non-catalogued and modelled objects.312.5.Usage of the Protected Regions.332.6.Constellations in the LEO protected region.472.7.Active payloads in the LEO protected region.482.8.New Catalogued Objects in the Space Environment.512.9.Objects Removed from the Space Enviro

4、nment.532.10.On-ground Casualty Risk.582.11.Nuclear Power Sources.602.12.Registration of Objects Launched in Outer Space.613.Environmental Status 2025.633.1.Status of the Environment in LEO.663.2.Status of the Environment in GEO.723.3.Fragmentations in 2025.743.4.Changes to the Environment in 2025.7

5、53.5.Conjunction statistics in LEO in 2025.794.Intentional object release.844.1.Mission Related Objects.844.2.Solid Rocket Motor Firings.885.Fragmentation History.895.1.All fragmentation events.915.2.Non-system related fragmentation events.986.End-Of-Life Operations History.1006.1.End-Of-Life Operat

6、ions in Low Earth Orbit.1006.2.End-Of-Life Operations in Geostationary Orbit.1356.3.End-Of-Life Operations in MEO.1407.Environment metrics.1427.1.Environmental Index in 2025.1427.2.Environment evolution.144References.151Page 2/151ESA UNCLASSIFIED-Releasable to the PublicEXECUTIVE SUMMARYEver since t