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Landsat Thematic Mapper (TM) is a multispectral scanning radiometer that was carried on board Landsats 4 and 5. The TM sensors have provided nearly continuous coverage from July 1982 to present. The Landsat Enhanced Thematic Mapper (ETM) was introduced with Landsat 7. ETM data cover the visible, near-infrared, shortwave, and thermal infrared spectral bands of the electromagnetic spectrum. The Landsat Project is a joint initiative of the U.S. Geological Survey (USGS) and the National Aeronautics and Space Administration (NASA). Landsat's Global Survey Mission is to establish and execute a data acquisition strategy that ensures repetitive acquisition of observations over the Earth's land mass, coastal boundaries, and coral reefs.

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EOLI-SA maintenance - 19 April 2017

18 April 2017

Due to scheduled maintenance activities, searching for some Third Party Missions collections in the EOLI-SA Catalogue may temporarily be unavailable on Wednesday 19 April 2017, from 09:00 to 17:00 CEST.

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HEDAVI – the EO data visualisation tool for ESA EO Heritage Missions

10 October 2016

For the last 30 years, the European Space Agency (ESA) has been providing Earth Observation (EO) data, technical information and data analysis tools in support of EO satellite missions. The HEDAVI (HEritage DAta Visualisation) service enables users to discover a wealth of heritage data from ESA's ERS and Envisat missions, as well as from Landsat-5 and Landsat-7, two important heritage Third Party missions at ESA, through ESA's heritage data programme ‘LTDP'.

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Facts and figures
Operators NASA (National Aeronautics and Space Administration)
Launch Dates / Status Landsat-5: 1 March 1984 – 05 June 2013 (End of operations)
Landsat-6: 5 October 1993 - did not achieve orbit
Landsat-7: 15 April 1999 – 31 May 2003 (SLC failure, ESA stopped acquisition)
Orbit Height 705 km
Orbit Type Landsat-5: sun-synchronous near-circular
Landsat-7: sun-synchronous polar
Repeat Cycle 16 days
Resolution 15 m panchromatic; 30 m multispectral
Swath Width 185 km
Onboard Sensors provided under TPM
  • TM (Thematic Mapper) on board Landsat-5
  • ETM+ (Enhanced Thematic Mapper Plus) on board Landsat-7