BackForward Satellite: Sentinel-6A 

Satellite details
Acronym Sentinel-6A
Full name Sentinel-6A
Satellite Description
  • 1st flight unit of the Sentinel-6 series, also named "Sentinel-6 Michael Freilich".  Formerly named JASON-CS-A.
  • Main mission: ocean topography and waves.
  • Substantial contribution to Solid Earth (geoid).
  • Significant contribution to space weather.
Mass at launch 1440 kg Dry mass 1191 kg
Power 891 W
Data access link no link provided
Data access information
  • TBD
Orbit Drifting orbit Altitude 1336 km
Inclination 66 °


Status Operational
Details on Status
(as available)
Launch 21 Nov 2020 EOL ≥2027
Last update: 2022-02-21
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 Sentinel-6A

Acronym Full name
DORIS Doppler Orbitography and Radiopositioning Integrated by Satellite
GPS GPS Receiver
LRA Laser Retroreflector Array
GNSS-RO Global Navigation Satellite System - Radio Occultation
AMR-C Advanced Microwave Radiometer - C
Poseidon-4 Poseidon-4
NGRM Next Generation Radiation Monitor
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
XDD S-E 8090 MHz 112M0G1 120000  kHz RHCP&LHCP D 150000  kbps Data Downlink
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
TM S-E 2256.75 MHz 1M75G1D 1750  kHz RHCP&LHCP D 1000  kbps Telemetry
Command E-S 2078.0906 MHz 1M00G1D 192  kHz RHCP D 16  kbps Commands
Poseidon-4 active 5410 MHz 320000.0  kHz - A   C-band altimeter
Poseidon-4 active 13575 MHz 320000.0  kHz - A   Ku-band altimeter
AMR-C passive 18700 MHz 200000  kHz - A   Window channel
AMR-C passive 23800 MHz 400000  kHz - A   Water vapour channel
AMR-C passive 34000 MHz 700000  kHz - A   Window channel
AMR-C passive 90000 MHz 5000000  kHz - A   Support to Sentinel-6 altimeter
AMR-C passive 130000 MHz 5000000  kHz - A   Support for Sentinel-6 altimeter
AMR-C passive 168000 MHz 5000000  kHz - A   Support for Sentinel-6 altimeter