# Capella Space SAR constellation
*missions*

## Specifications
- **operator**: capella-space
- **actual launch**: 2018-12-03
- **planned decommission**: 2027-12-31
- **current status**: operational
- **orbit type**: Commercial SAR constellation; CEOS lists sun-synchronous orbit at about 575 km for Capella X-SAR
- **revisit days**: 0.25
- **tasking supported**: true
- **current geographic priority**: Global commercial and government SAR tasking, including maritime, disaster-response, infrastructure, defense, and intelligence use cases
- **launch vehicle**: rocket-lab-electron
- **entity type**: mission
- **last verified date**: 2026-06-14
- **verified by**: operator
- **claim status**: unclaimed
- **provider**: capella-space
- **attributes**: {"operator":"capella-space","actual_launch":"2018-12-03","planned_decommission":"2027-12-31","current_status":"operational","orbit_type":"Commercial SAR constellation; CEOS lists sun-synchronous orbit at about 575 km for Capella X-SAR","revisit_days":0.25,"tasking_supported":true,"current_geographic_priority":"Global commercial and government SAR tasking, including maritime, disaster-response, infrastructure, defense, and intelligence use cases","launch_vehicle":"rocket-lab-electron"}
- **relevance**: in-scope

## Editorial
Capella Space SAR constellation is an operational commercial X-band SAR mission launched 2018-12-03 and operated by Capella Space.[^ceos-capella-xsar][^capella-sensor-support] CEOS lists a sun-synchronous orbit at approximately 575 km altitude with a 0.25-day repeat cycle.[^ceos-capella-xsar] Each satellite carries an X-band SAR operating at 9.4-9.9 GHz with up to 600 MHz bandwidth, supporting spotlight, sliding spotlight, and stripmap collection modes in single-polarisation HH or VV.[^capella-sensor-support] Capella offers commercial SAR data for maritime domain awareness, infrastructure monitoring, and disaster response, and supports repeat-track InSAR workflows for long-term deformation monitoring.[^capella-repeat-track-insar][^capella-sar-data]

## Compositional position
- Capella Space SAR constellation --[mission_payloads]--> capella-sar (products)
- Capella Space SAR constellation --[related-topic]--> maritime-domain-awareness (topics)
- Capella Space SAR constellation --[related-topic]--> disaster-damage-assessment (topics)
- Capella Space SAR constellation --[related-topic]--> transport-infrastructure (topics)

## Sources
- [ceos-capella-xsar] | CEOS MIM Capella X-SAR mission summary | https://database.eohandbook.com/database/missionsummary.aspx?missionID=1010 | tier=agency-doc | accessed=2026-06-14
- [capella-sensor-support] | Capella support: SAR sensor characteristics | https://support.capellaspace.com/what-types-of-sensors-do-capellas-satellites-use | tier=operator-datasheet | accessed=2026-06-14 | published=2025-05-13
- [capella-sar-data] | Capella SAR data product and collection modes | https://www.capellaspace.com/solution/sar-data | tier=operator-marketing | accessed=2026-06-14
- [capella-repeat-track-insar] | Capella repeat-track orbit and InSAR capability note | https://www.capellaspace.com/resources/constellation-reliability-why-orbital-precision-defines-reliable-sar-data | tier=operator-engineering | accessed=2026-06-14 | published=2026-04-21
- [capella-mission-history] | Capella company mission timeline | https://www.capellaspace.com/our-mission | tier=operator-marketing | accessed=2026-06-14

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