BackForward Satellite: SWOT 

Satellite details
Acronym SWOT
Full name Surface Water and Ocean Topography
Satellite Description
  • Single flight unit of the SWOT programme.
  • Main missions: ocean topography and waves, hydrology (inner land water).
Mass at launch Dry mass
Data access link no link provided
Data access information
  • TBD.
Orbit Drifting orbit Altitude 891 km
Inclination 78 °


Space agency NASACNES
Status Planned
Details on Status
(as available)
Launch Dec 2022 EOL ≥2027
Last update: 2022-09-26
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on SWOT

Acronym Full name
Altimeter Altimeter
KaRIN Ka-band Radar Interferometer
MW radiometer Microwave radiometer
Show instrument status and calibration
Satellite frequencies for Earth Observation, data transfer and platform communications and control
Earth observation MW frequencies
Service Sensing mode Frequency (GHz) Bandwidth (MHz) Polarisation Comments
Altimeter active 5.3 GHz 320 MHz - C-band radar altimeter
Altimeter active 13.575 GHz 320 MHz - Ku-band radar altimeter
KaRIN active 35.75 GHz 200 MHz - Ka-band radar altimeter
MW radiometer passive 18.7 GHz 200 MHz - Window channel (supporting altimeters)
MW radiometer passive 23.8 GHz 400 MHz - Water vapour channel (supporting altimeters)
MW radiometer passive 34 GHz 700 MHz - Window channel (supporting altimeters)