NASA's Blue Marble

Artist’s concept of seven altimeters orbiting Earth: Jason-CS/Sentinel-6B, SWOT, Sentinel-6A, Jason 3, TOPEX/Poseidon, Jason 1 and OSTM/Jason 2.

Engineers integrate separate parts of the SWOT satellite into one in a Thales Alenia Space clean room facility in Cannes, France.

A photograph of the Amazon River Delta, captured by Landsat in 2006.

The first 90 days of the SWOT science mission will be flown in a "fast-sampling" phase that revisits specific areas once per day. This phase will begin after a 90-day commissioning phase for engine...

An early rendering of the SWOT spacecraft (February 2011).

The Canadian Space Agency will contribute to the SWOT Mission by providing a high-power assembly component for SWOT’s Ka-band Radar Interferometer (KaRIn).

An artist’s concept of the SWOT spacecraft (January 2012).

The SWOT Payload module consists of two primary components: the Ka-band Radar Interferometer (KaRIn) and the Nadir module.

SWOT leaving NASA’s Jet Propulsion Laboratory in Southern California, en route to March Air Reserve Base in Riverside County, California. Once the scientific payload arrived, it was sent to a Thale...

Amazon Fishermen

Teams from NASA's Jet Propulsion Laboratory in Southern California and the March Air Reserve Base in Riverside County, California, loaded the scientific payload for the SWOT Earth-observing satelli...

SWOT's nominal coverage during its 3-year science orbit will include measurements between 78°N and 78°S collected over a period of 21 days. Maps show the coverage after 3 days (left) and the full 2...

SWOT technologies - advanced wide-swath technology, ocean and surface water topography measurements, and high-resolution products - will support such societal needs as dams, shipping, and surface w...

Jet Propulsion Laboratory (JPL) Open House visitors are delighted to see how well their color-coded stickers match the "sea surface topography model of the Gulf of Mexico within a wooden box.

AirSWOT is using parts of Saskatchewan as a testing ground for mapping water levels.

Soccer Nets on a levee in the Amazon

AirSWOT plays a key role in SWOT mission development. It allows scientists to study interferometric data before launch and thus be prepared to effectively interpret SWOT data after launch.

Emblem for the SWOT mission.

SWOT will collect data across a 75-mile (120-kilometer) wide swath, with a gap in the center for an altimetry track. This animation shows the collection of data over the state of Florida, which is ...

A photograph of the Varzea Forest area of Brazil (4 of 4).

Alaska lakes.

The SWOT satellite observatory is being jointly built by NASA and Centre National D’Études Spatiales (CNES).

Arctic Lakes

NASA has selected Space Exploration Technologies (SpaceX) of Hawthorne, California, to provide launch services for SWOT.

Highly visible in their red shirts, SWOT project team members - including Project Manager Parag Vaze at left - interact with the public during the NASA Jet Propulsion Laboratory (JPL) "Open House" ...