BackForward Satellite: ALOS-4 

Satellite details
Acronym ALOS-4
Full name Advanced Land Observing Satellite - 4
Satellite Description
  • 4th flight unit of the ALOS programme.
  • Main mission: land observation.
  • Substantial contribution to ocean observation.
Mass at launch 3000 kg Dry mass
Power 5200 W
Data access link no link provided
Data access information
  • TBD
Orbit Sunsynchronous orbit Altitude 640 km
ECT 12:00 desc


Space agency JAXA
Status Planned
Details on Status
(as available)
Launch ≥2022 EOL ≥2029
Last update: 2021-06-10
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 ALOS-4

Acronym Full name
PALSAR-3 Phased-Array L-band Synthetic Aperture Radar - 3
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
PALSAR-3 active 1270 - 1270 MHz N/R  kHz - A   L-band SAR