Sener participates in the development of the Sentinel-1D satellite

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30/10/2025

Sener has contributed the deployment and locking mechanism for the satellite’s synthetic aperture radar, part of the European Union space programme’s flagship Earth observation initiative.

The satellite, scheduled for launch on 4 November from French Guiana aboard an Ariane 6 rocket, will enhance several Copernicus services, including Arctic sea ice monitoring, illegal fishing control, and forest, water, and soil management.

The engineering and technology industrial group Sener has taken part in the development of the Sentinel-1D satellite, which is set to launch next Tuesday, 4 November, from French Guiana aboard an Ariane 6 rocket. Specifically, Sener designed and manufactured the deployment and locking mechanism for the synthetic aperture radar, the instrument that will enable the satellite to provide high- and medium-resolution data.

Copernicus Sentinel-1D will be the fourth Sentinel-1 satellite to launch, as part of an ambitious mission equipped with advanced radar technology that can capture images of the Earth’s surface in any weather conditions, day or night, enhancing space-based radar capabilities. Sentinel-1 provides crucial information for Copernicus services, such as sea ice monitoring, iceberg tracking, glacier observation, environmental surveillance, oil spill detection, and identification of vessels and illegal fishing activities. It also monitors ground deformation caused by subsidence, earthquakes, or volcanoes, and supports forest, water, and soil management, as well as humanitarian aid in crisis situations.

Copernicus is the European Union’s Earth observation programme, providing free and accessible information services using data collected from satellites and terrestrial, aerial, and maritime measurement systems. Its goal is to deliver useful information to service providers, public administrations, and international organisations to support management and decision-making.

Sentinel-1 is the result of collaboration between the European Space Agency (ESA), the European Commission, industry partners, service providers, and users. The design and manufacture of Sentinel-1D involved a consortium of around 60 European companies and stands as a prominent example of technological collaboration and excellence.

Cover image: ESA

Space

Science & Earth observation

Sener participates in the development of the Sentinel-1D satellite for ESA’s Copernicus Earth observation programme

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