BackForward Satellite: HY-4A (or HY-2S) 

Satellite details
Acronym HY-4A (or HY-2S)
Full name Hai Yang 4A
WIGOS Station Identifier ---
Satellite Description
  • New unit of the HY-2 programme.
  • Main mission: ocean salinity observation.
  • Contributions to sea surface temperature and sea surface roughness observations
  • New instrumentation descriptions not yet available but includes a synthetic aperture radiometer and active and passive detectors to obtain L-band brightness temperature of sea surface
Mass at launch Dry mass
Power
Data access link no link provided
Data access information
  • Data distributed by NSOAS.
Orbit Sunsynchronous orbit Altitude 640 km
ECT 06:00 desc

 

Space agency NSOAS , CAST
Status Commissioning
Details on Status
(as available)
Launch 13 Nov 2024 EOL ≥2033
Last update: 2025-04-14
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 HY-4A (or HY-2S)

Acronym Full name
Show instrument status and calibration