BackForward Satellite: JASON-2 

Satellite details
Acronym JASON-2
Full name Joint Altimetry Satellite Oceanography Network - 2
WIGOS Station Identifier ---
Satellite Description
  • 2nd flight unit of the JASON series, also called “Ocean Surface Topography Mission (OSTM)”.
  • Main mission: ocean topography and waves.
  • Substantial contribution to Solid Earth (geoid).
  • Significant contribution to space weather.
Mass at launch 553 kg Dry mass 525 kg
Power 550 W
Data access link http://aviso.altimetry.fr/index.php?id=1458
Data access information
  • Near-real-time Operational Geophysical Data Records (surface wind speed and waves, and a first estimates of Sea Surface Height Anomaly) are distributed within 3-5 hours from NOAA and EUMETSAT via GTS and EUMETCast, see https://navigator.eumetsat.int/search?query=jason
  • Off-line Interim Geophysical Data Record re-processed after CNES makes available the Precise Orbit Determination are distributed within 1-2 days, and statistically analysed Geophysical Data Records are distributed from archives within 2 months
Orbit Drifting orbit Altitude 1309.5 km
Inclination 66 °

 

Space agency NASA , CNES, EUMETSAT, NOAA
Status Inactive
Details on Status
(as available)
  • In July 2017 the orbital height was lowered to 1309.5 km in order to implement a 368 d cycle (Long Repeat Orbit, LRO) instead of 9.9 d.
Launch 20 Jun 2008 EOL 01 Oct 2019
Last update: 2024-04-15
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-2

Acronym Full name
AMR Advanced Microwave Radiometer
DORIS Doppler Orbitography and Radiopositioning Integrated by Satellite
LRA Laser Retroreflector Array
Poseidon-3 Poseidon 3
TRSR Turbo Rogue Space Receiver
CARMEN Environment Characterization and Modelisation
LPT Light Particle Telescope
Show instrument status and calibration
Satellite frequencies for Earth Observation, data transfer and platform communications and control
Frequencies for satellite management
Service Direction Frequency (MHz) Emission designator Bandwidth (kHz) Polarisation D/A Data rate (kbps) or Baseband (kHz) Comments
DORIS E-S 401.25 MHz 23K0G1D 23 kHz RHCP D 0.2  kbps Precise positioning by DORIS
DORIS E-S 2036.25 MHz 95K0G1D 95 kHz RHCP D 0.2  kbps Precise positioning by DORIS
Command E-S 2088.878 MHz 8K00G2D 8 kHz RHCP D 4  kbps Commands
Earth observation MW frequencies
Service Sensing mode Frequency (GHz) Bandwidth (MHz) Polarisation Comments
Poseidon-3 active 5 GHz - 5.3 GHz 0 MHz - C-band radar altimeter
Poseidon-3 active 14 GHz - 13.575 GHz 0 MHz - Ku-band radar altimeter
AMR passive 18.7 GHz 200 MHz - Window channel (supporting altimeter)
AMR passive 23.8 GHz 400 MHz - Water vapour channel (supporting altimeter)
AMR passive 34 GHz 400 MHz - Window channel (supporting altimeter)
Frequencies for scientific data acquisition and communication services at ground stations
Service Direction Frequency (MHz) Bandwidth (kHz) Polarisation D/A Data rate (kbps) or Baseband (kHz) Comments
TM & Raw Data S-E 5300 MHz 320000 kHz RHCP&LHCP D 320000  kbps FM Pulse Radar. Telemetry and Altimeter real-time data
TM & Raw Data S-E 5300 MHz 100000 kHz RHCP&LHCP D 100000  kbps FM Pulse Radar. Telemetry and Altimeter real-time data
TM & Raw Data S-E 13575 MHz 320000 kHz RHCP&LHCP D 320000  kbps FM Pulse Radar. Telemetry and Altimeter real-time data
TM/SMD S-E 2268.465 MHz 839 kHz RHCP&LHCP D 834  kbps Telemetry and Altimeter stored data