Landsat 8 LDCM Satellite Image Data History


Operational Land Imager (OLI)

Thermal Infrared Sensor (TIRS)




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General Overview






The Landsat Data Continuity Mission (LDCM) is the next-generation Landsat satellite to ensure the continued acquisition and availability of Landsat-like data beyond the duration of the current Landsat missions.

The LDCM was created in October 2002 to investigate and research options for the most feasible solution to follow the Landsat 7 mission. Four options were considered:

The original LDCM plans called for NASA to purchase data meeting LDCM specifications from a commercially owned and operated satellite system. (Option 2 above) However, after an evaluation of proposals received from industry, NASA cancelled the Request for Proposals in September 2003. In August 2004, a memorandum from the White House Office of Science and Technology Policy (OSTP) directed Federal agencies to place Landsat-type sensors on the National Polar-orbiting Operational Environmental Satellite System (NPOESS) platform.

Following an evaluation of the technical complexity of this task, the strategy was adjusted and on December 23, 2005, a memorandum from the OSTP directed planning to begin for a free-flyer government-only mission, carrying the Operational Land Imager (OLI). In December 2009 a decision was made to add a thermal infrared sensor (TIRS) to the mission payload.

NASA leads the work on building the flight segment, securing launch services, flight ground systems integration, and conducting on-orbit initialization and verification. After launch checkout processes, the USGS will be responsible for the operations of this mission, which include collecting, archiving, processing, and distributing data products.

Milestones (Key Decision Points) of LDCM

To date, a number of Key Decision Points have been achieved:

Other Characteristics Relating To Landsat 8

Scene size: 170 km x 185 km (106 mi x 115 mi)

Design Life: Minimum of 5 years                                                            tel: (053) 831-5194

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