Sensor Summary Fact Sheet for Landsat 7 ETM+
Collection: Landsat
| The Landsat program, originally known as the Earth Resources Technology Satellite (ERTS), was proposed in 1965 by the US Geological Survey(USGS) as a civilian satellite program. NASA started building the first satellite in 1970 and have launched 6 spacecraft successfully (Landsat 6 was lost at launch). In December 2009 all Landsat archive products were made available free to the public on the USGS website. | |
| USGS |
Satellite: Landsat 7
| Landsat 7 carries the Enhanced Thematic Mapper plus instrument (ETM+,) with the equivalent capabilites of the Thematic Mapper (TM) on board Landsat 4 and Landsat 5, including additional features: a 15m panchromatic band, a 60m thermal band, on board radiometric calibration and data recorder. On 31 May 2003 the Scan Line Corrector (SLC) failed resulting in gaps of missing data in the imagery. All acquisitions subsequent to this malfunction are supplied in SLC-off mode. | |
| http:/landsat.gsfc.nasa.gov/about/landsat7.html | |
| April 15, 1999 | |
| Operational in SLC-off mode | |
| 705 km | |
| km | |
| 16 days |
Sensor: ETM+
| Enhanced Thematic Mapper Plus | |
| Optical | |
| Worldwide Reference System 2 (WRS2) | |
| Whisk Broom or Cross-track Optical Scanner | |
| 183 km | |
| 9 | |
| Multi-spectral; Panchromatic; Thermal | |
| 450 -12 500 nm | |
| 15 m; 30 m; 60m resampled to 30 m | |
| 8 | |
| 180 km x 170 km km | |
| Landsat 7; ETM+; multi-spectral; panchromatic; thermal; 15m; 30m; 60m; pan-sharpen; SLC-off; SLC-on |
Yearly catalogue product overview for Landsat 7
| 2001 | 2002 | 2003 | 2014 |
|---|---|---|---|
| 4590 | 8294 | 3725 | 560 |