BackForward Satellite: JASON-1 

Satellite details
Acronym JASON-1
Full name Joint Altimetry Satellite Oceanography Network - 1
Satellite Description
  • 1st flight unit of the JASON series.
  • Main mission: ocean topography and waves.
  • Substantial contribution to Solid Earth (geoid).
  • Significant contribution to space weather.
Mass at launch 500 kg Dry mass 450 kg
Power 450 W
Data access link no link provided
Data access information
  • Off-line Interim Geophysical Data Record re-processed after CNES makes available the Precise Orbit Determination are distributed within 1-2 days.
  • Statistically analysed Geophysical Data Records are distributed from archives within 2 months.
Orbit Drifting orbit Altitude 1324 km
Inclination 66 °


Status Inactive
Details on Status
(as available)
  • TRSR no longer functional.
  • Orbit lowered to 1324 km from the original 1336 km in April-May 2012 to perform a geodetic mission.
  • Fatal failure of the transmitter on 21 June 2013.
Launch 07 Dec 2001 EOL 01 Jul 2013
Last update: 2019-10-29
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 JASON-1

Acronym Full name
DORIS Doppler Orbitography and Radiopositioning Integrated by Satellite
JMR JASON Microwave Radiometer
LRA Laser Retroreflector Array
Poseidon-2 Poseidon 2
TRSR Turbo Rogue Space Receiver
Show instrument status and calibration
Telecommunication frequency or microwave sensing channel information Show expert details
Service Dir or Mode Frequency Emission designator Bandwidth Polarisation D/A Data rate or Baseband Comments
DORIS E-S 401.25 MHz 23K0G1D 23  kHz RHCP D   Precise positioning by DORIS
DORIS E-S 2036.25 MHz 95K0G1D 95  kHz RHCP D   Precise positioning by DORIS
Poseidon-2 active 5300 - 5300 MHz N/R  kHz - A   C-band radar altimeter
Poseidon-2 active 13575 - 13575 MHz N/R  kHz - A   Ku-band radar altimeter
JMR passive 18700 MHz 200000  kHz - A   Window channel (supporting altimeter)
JMR passive 23800 MHz 400000  kHz - A   Water vapour channel (supporting altimeter)
JMR passive 34000 MHz 400000  kHz - A   Window channel (supporting altimeter)