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THEMATIC AREA

News

Discover the latest news on the European Space Agency's Earth Observation activities. Learn all about new data availability and how ESA's missions are performing.

Operational News

Landsat-8 web portal now available on new environment

The Landsat-8 Portal service has been migrated to a new server and is accessible on the previous web address.

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Scientific Highlights

Satellite data allows real-time detection of potential fires

A pilot Fire Detection Service, based on real-time processing of Landsat-8 data being assessed within the framework of ESA's Earthnet Programme.

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Missions

Explore the European Space Agency's Earth Observation satellite missions. Learn all about ESA's dedicated Earth Explorers or collaborations with other agencies through the Third Party Missions programme.

Landsat Series
Third Party Missions

Landsat Series

The Landsat series is the world's longest running system of satellites for moderate-resolution optical remote sensing for land, coastal areas and shallow waters.

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Landsat 7
Third Party Missions

Landsat 7

Landsat 7 was launched in 1999 and remains operational.

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ACTIVITIES

Find the activities you need.

ACTIVITY - Quality

SLAP

The SLAP (Systematic Landsat Archive Processing) project covers the MSS, TM and ETM+ products from Landsat missions 1 – 7, and is the first systematic reprocessing of the ESA Landsat archive. Read more

INSTRUMENTS

Explore the many instruments the European Space Agency use to observe the Earth. ESA offer data from a wide range of optical, radar, atmospheric, altimetric and gravimetric instrumentation.

a-spectrometers-radiometers

Third Party Missions

Enhanced Thematic Mapper Plus (ETM+)

The Enhanced Thematic Mapper Plus (ETM+) is the main instrument on board Landsat-7.

OTHER RESOURCES

Browse through mission documentation and reports, and learn more about European Space Agency Earth Observation projects and opportunities.

DOCUMENT - Technical Note

1 Mar 2019

Landsat 7 ETM+ Image Assessment System Geometric Algorithm Theoretical Basis Document

Version 1.0 The steps include: 1. Checking the current gyro value against a tolerance 2. Doing a forward prediction for each point using the two previous points and comparing this predicted Download