Supriya Ghosh (Editor)

Sentinel 1

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Spacecraft type
  
ghoda

Design life
  
7 years

Start date
  
April 3, 2014

Constellation
  
2

Launch mass
  
2300 kg

Operator
  
European Space Agency

Sentinel-1 httpssentinelesaintimageimagegalleryimgi

Manufacturer
  
Thales Alenia Space Astrium Satellites DLR Jena-Optronik

Applications
  
Land and sea monitoring, natural disasters mapping, sea ice observations, ships detection

Download sentinel 1 imagery for free from esa


Sentinel-1 is a space mission funded by the European Union and carried out by the ESA within the Copernicus Programme, consisting of a constellation of two satellites. The payload of Sentinel-1 is a Synthetic Aperture Radar in C band that provides continuous imagery (day, night and all weather).

Contents

Sentinel-1 Introducing Sentinel1 Sentinel1 Copernicus Observing the

On 12 March 2010, the European Space Agency and Thales Alenia Space signed a contract worth €270 million to build the second satellite of the Sentinel-1 pair.

Sentinel-1 Facts and figures Sentinel1 Copernicus Observing the Earth

First Sentinel 1A arrived at launch site in Kourou, French Guiana on 25 February. Sentinel-1A satellite was launched on 3 April 2014, by a Soyuz Rocket.

Sentinel-1 Space in Images 2014 01 Sentinel1 radar vision

Sentinel 1 radar mission


Instruments

Sentinel-1 spacecrafts are designed to carry following instruments:

Sentinel-1 Sentinel1 Wikipedia

  • a single C band SAR with its electronics (SES);
  • a SDRAM-based mass memory (DSHA), with an active data storage capacity of about 1 410 Gbit (164 GiB), receiving data streams from SAR SES over two independent links gathering SAR_H and SAR_V polarization, with a variable data rate up to 640 Mbit/s on each link, and providing 520 Mbit/s X-band fixed user data downlink capability over two independent channels towards Ground.

    • Applications

    Sentinel-1 Sentinel1 Instrument Payload Sentinel Online

    Sentinel-1 will provide continuity of data from ERS and Envisat missions, with further enhancements in terms of revisit, coverage, timeliness and reliability of service.

    A summary of applications are:

    Sentinel-1 Airbus The Radar Vision Goes On Two More Sentinel1 Satellites

  • Monitoring sea ice zones and the Arctic environment, and surveillance of marine environment.
  • Monitoring land surface motion risks
  • Mapping of land surfaces: forest, water and soil
  • Mapping in support of humanitarian aid in crisis situations

    • Shortly after the August 2014 South Napa earthquake, data collected by Sentinel 1A was used to develop an interferometric synthetic aperture radar, or InSAR, image of the affected region. The Sentinel-1 satellites are expected to make analysis of earthquakes using InSAR techniques quicker and simpler.

    Industrial

    Prime contractor of mission is Thales Alenia Space Italy, with whole system integration and also with production of platform Spacecraft Management Unit (SMU) and payload Data Storage and Handling Assembly (DSHA). SAR instrument on payload is the responsibility of Astrium Gmbh. The Ground Segment prime contractor is Astrium with subcontractors Telespazio, WERUM, Advanced Computer Systems and Aresys.

    Spacecraft

  • Sentinel-1A - launched on 3 April 2014
  • Sentinel-1B - launched on 25 April 2016
  • Sentinel-1C - development contract signed in December 2015, launch date TBD
  • Sentinel-1D - development contract signed in December 2015, launch date TBD

    • References

    Sentinel-1 Wikipedia
    (Text) CC BY-SA