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left_on.gifKind of Earth Observation Satellite
spacer.gifsub_directry_end.gifLANDSAT
left.gifKind of sensor
spacer.gifsub_directry.gifLANDSAT ETM+
spacer.gifsub_directry.gifLANDSAT MSS
spacer.gifsub_directry_end.gifLANDSAT TM
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LANDSAT

Overview

LANDSAT-1 is the world first earth observation satellite launched by the United States in 1972 and a memorable satellite which has been recognized in availability being capable of observing the earth far from space. Its excellent observation ability brought about the importance of state-of-the-art remote sensing. Following LANDSAT-1, LANDSAT-2, 3, 4, 5 and 7 were launched, and currently LANDSAT-7 is operated as a main satellite.

LANDSAT-5 is equipped with Multispectral Scanner (MSS) and Thematic Mapper (TM). MSS is an optical sensor to observe the reflected solar radiation from the earth surface in four different spectral bands by a combination of the optical system and the sensor. TM is a more advanced version of observation equipment than MSS, which observes the earth's surface in 7 spectral bands ranging from visible to thermal infrared regions.

LANDSAT-7 is equipped with Enhanced Thematic Mapper Plus (ETM+), the successor of TM. The observation bands are basically same seven bands as TM and the newly added band 8 with a 15m of high resolution.


Characteristic


Launched by Date of launch Date of termination Altitude Sensor Recurrent period
LANDSAT-1 NASA 1972.7.23 1978.1.6 915km RBV/MSS 18 days
LANDSAT-2 NASA 1975.1.22 1982.2.25 915km RBV/MSS 18 days
LANDSAT-3 NASA 1978.3.5 1983.3.31 915km RBV/MSS 18 days
LANDSAT-4 NASA 1982.7.16 2001.6.15 705km MSS/TM 16 days
LANDSAT-5 NASA 1984.3.1 Operating*1 705km MSS/TM 16 days
LANDSAT-6 NASA 1993.10.5 1993.10.5 - ETM 16 days
LANDSAT-7 NASA 1999.4.15 Operating*1 705km ETM+ 16 days

*1 : JAXA/EOC announces that the search functions concerned to a part of LANDSAT data using the Earth Observation Data and Information System (EOIS) has been terminated on August 14, 2006.(Detail Information)




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