BackForward Satellite: COMPIRA 

Satellite details
Full name Coastal and Ocean measurement Mission with Precise and Innovative Radar Altimeter
Satellite Description
  • Single flight unit of the COMPIRA programme.
  • Main mission: large-swath ocean altimetry.
Mass at launch Dry mass
Data access link no link provided
Data access information


Orbit Drifting orbit Altitude TBD
Inclination 51 °


Space agency JAXA
Status Planned
Details on Status
(as available)
Launch ≥2021 EOL ≥2026
Last update: 2021-01-16
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 COMPIRA

Acronym Full name
SHIOSAI SAR Height Imaging Oceanic Sensor with Advanced Interferometry
Altimeter Altimeter
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
Altimeter active 5300 - 5300 MHz N/R  kHz - A   C-band radar altimeter
Altimeter active 13500 - 13500 MHz N/R  kHz - A   Ku-band radar altimeter
SHIOSAI active 9500 - 9500 MHz N/R  kHz - A   X-band radar altimeter