# PAZ
*missions*

## Specifications
- **operator**: hisdesat
- **actual launch**: 2018-02-22
- **current status**: operational
- **orbit type**: Sun-synchronous TerraSAR-X orbit, about 514 km altitude, 97.44 deg inclination
- **swath km**: 270
- **paired revisit days**: 4
- **tasking supported**: true
- **current geographic priority**: Global commercial and government tasking; Spanish national Earth-observation programme mission.
- **launch vehicle**: spacex-falcon-9
- **entity type**: mission
- **last verified date**: 2026-06-14
- **verified by**: operator
- **claim status**: unclaimed
- **provider**: hisdesat
- **attributes**: {"operator":"hisdesat","actual_launch":"2018-02-22","current_status":"operational","orbit_type":"Sun-synchronous TerraSAR-X orbit, about 514 km altitude, 97.44 deg inclination","swath_km":270,"paired_revisit_days":4,"tasking_supported":true,"current_geographic_priority":"Global commercial and government tasking; Spanish national Earth-observation programme mission.","launch_vehicle":"spacex-falcon-9"}
- **relevance**: in-scope

## Editorial
PAZ (also designated SEOSAR) is a Spanish national Earth observation mission operated by Hisdesat, launched on 22 February 2018. The satellite carries a single X-band synthetic aperture radar and shares the sun-synchronous TerraSAR-X orbit at approximately 514 km altitude and 97.44 degree inclination.[^hisdesat-paz][^dlr-paz] With a 270 km maximum swath and tasking support, PAZ delivers SAR imagery for commercial and government customers.[^hisdesat-paz][^dlr-paz] Paired with the TerraSAR-X/TanDEM-X tandem, PAZ enables revisit intervals of approximately four days over target areas.[^ceos-paz] The mission supports radar backscatter mapping, SAR-based change detection, InSAR surface deformation monitoring, and polarimetric analysis, with applications in subsidence monitoring, disaster damage assessment, transport infrastructure inspection, and maritime vessel tracking.[^hisdesat-paz][^dlr-paz]

## Compositional position
- PAZ --[mission_payloads]--> paz-sar (products)
- PAZ --[related-topic]--> subsidence (topics)
- PAZ --[related-topic]--> disaster-damage-assessment (topics)
- PAZ --[related-topic]--> transport-infrastructure (topics)
- PAZ --[related-topic]--> vessel-tracking (topics)

## Sources
- [hisdesat-paz] | PAZ mission page, Hisdesat | https://www.hisdesat.es/en/paz/ | tier=operator-marketing | accessed=2026-06-14
- [dlr-paz] | PAZ mission page, DLR | https://www.dlr.de/en/rb/research-operation/missions/earth-observation-science/paz | tier=agency-doc | accessed=2026-06-14
- [ceos-paz] | PAZ satellite mission summary, CEOS database | https://database.eohandbook.com/database/missionsummary.aspx?missionID=627 | tier=community | accessed=2026-06-14

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Source: https://eo-atlas.org/missions/paz
Maintainer: SpectraWorks B.V. (CC-BY 4.0)