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Spectral Characterization

The measured wavelength locations of the ETM+ spectral bands are compared to Landat 5’s TM in Table 8.1 The spectral bandwidths are determined by the

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Thermal Infrared Sensor

The Thermal Infrared Sensor (TIRS) measures land surface temperature in two thermal bands with a new technology that applies quantum physics to detect heat. TIRS

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Operational Land Imager

The Operational Land Imager (OLI), built by the Ball Aerospace & Technologies Corporation, measures in the visible, near infrared, and short wave infrared portions of

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Landsat 8

The Details Launch Date: February 11, 2013 Status: operational Sensors: OLI, TIRS Altitude: 705 km Inclination: 98.2° Orbit: polar, sun-synchronous Equatorial Crossing Time: nominally 10 AM (± 15 min.) local time (descending

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Landsat Applications

  Agriculture, Forestry and Range Resources Land Use and Mapping Geology Hydrology Coastal Resources Environmental Monitoring Discriminating vegetative, crop and timber types Classifying land uses

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The Thematic Mapper

The Thematic Mapper (TM) is an advanced, multispectral scanning, Earth resources sensor designed to achieve higher image resolution, sharper spectral separation, improved geometric fidelity and

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The Enhanced Thematic Mapper Plus

The Enhanced Thematic Mapper Plus (ETM+) instrument is a fixed “whisk-broom”, eight-band, multispectral scanning radiometer capable of providing high-resolution imaging information of the Earth’s surface.

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Landsat 7

The Details Launch Date: April 15, 1999 Status: operational despite Scan Line Corrector (SLC) failure May 31, 2003 Sensors: ETM+ Altitude: 705 km Inclination: 98.2° Orbit: polar, sun-synchronous Equatorial Crossing Time: nominally

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Landsat 6

The Details Launch Date: October 5, 1993 Status: lost at launch Sensor: ETM + read about the history of Landsat 6 More Technical Details Landsat 1 Landsat 2 Landsat

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Landsat 5

The Details Launch Date: March 1, 1984 Status: Decommissioned January 2013 Sensors: TM, MSS Altitude: 705 km Inclination: 98.2° Orbit: polar, sun-synchronous Equatorial Crossing Time: nominally 9:45 AM (± 15 min.) local

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Landsat 4

The Details Launch Date: July 16 , 1982 Status: decommissioned, June 15, 2001 Sensors: TM, MSS Altitude: 705 km Inclination: 98.2° Orbit: polar, sun-synchronous Equatorial Crossing Time: nominally 9:45 AM (± 15 min.)

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Landsat 3

The Details Launch Date: March 5, 1978 Status: put into standby mode: March 31, 1983; decommissioned: Sept. 7, 1983 Sensors: RBV, MSS Altitude: nominally 900 km Inclination: 99.2° Orbit: polar, sun-synchronous Equatorial

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Landsat 2

The Details Launch Date: January 22, 1975 Status: removed from operational status: February 5, 1982; decommissioned: July 27, 1983 Sensors: RBV, MSS Altitude: nominally 900 km Inclination: 99.2° Orbit: polar, sun-synchronous Equatorial

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Landsat 1

The Details Launch Date: July 23, 1972 Status: expired, January 6, 1978 Sensors: RBV, MSS Altitude: nominally 900 km Inclination: 99.2° Orbit: polar, sun-synchronous Equatorial Crossing Time: nominally 9:42 AM mean local time

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Landsat 8

Landsat 1 • Landsat 2 • Landsat 3 • Landsat 4 • Landsat 5 • Landsat 6 • Landsat 7 • Landsat 8   Landsat 8 launched on February 11, 2013, from Vandenberg Air Force Base, California, on an

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Landsat 7

Landsat 1 • Landsat 2 • Landsat 3 • Landsat 4 • Landsat 5 • Landsat 6 • Landsat 7 • Landsat 8 The government-owned Landsat 7 was successfully launched on April 15, 1999, from the Western Test Range of Vandenberg

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Landsat 6

Landsat 1 • Landsat 2 • Landsat 3 • Landsat 4 • Landsat 5 • Landsat 6 • Landsat 7 • Landsat 8 On October 5, 1993 the EOSAT-owned Landsat 6 failed at launch after not reaching the velocity necessary to

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Landsat 5

Landsat 1 • Landsat 2 • Landsat 3 • Landsat 4 • Landsat 5 • Landsat 6 • Landsat 7 • Landsat 8 On March 1, 1984, NASA launched Landsat 5, the agency’s last originally mandated Landsat satellite. Landsat 5

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Landsat 4

Landsat 1 • Landsat 2 • Landsat 3 • Landsat 4 • Landsat 5 • Landsat 6 • Landsat 7 • Landsat 8 Landsat 4 was launched on July 16, 1982. The Landsat 4 spacecraft was significantly different than that

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Landsat 3

Landsat 1 • Landsat 2 • Landsat 3 • Landsat 4 • Landsat 5 • Landsat 6 • Landsat 7 • Landsat 8 Landsat 3 was launched on March 5, 1978, three years after Landsat 2. The Landsat program’s technical

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Landsat 2

Landsat 1 • Landsat 2 • Landsat 3 • Landsat 4 • Landsat 5 • Landsat 6 • Landsat 7 • Landsat 8 Landsat 2 was launched on January 22, 1975, two and a half years after Landsat 1. The

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Landsat 1

Landsat 1 • Landsat 2 • Landsat 3 • Landsat 4 • Landsat 5 • Landsat 6 • Landsat 7 • Landsat 8 Landsat 1 was launched on July 23, 1972; at that time the satellite was known as the

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A Landsat Timeline

“The Landsat series of satellites is a cornerstone of our Earth observing capability. The world relies on Landsat data to detect and measure land cover/land

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Lake Djoudj, Senegal

In August 2006, the United Nations Environment Programme (UNEP), released an atlas entitled: “Africa’s Lakes: Atlas of Our Changing Environment.” The atlas relies heavily on

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