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
Satellite frequencies for Earth Observation, data transfer and platform communications and control
Earth observation MW frequencies
Service Sensing mode Frequency (GHz) Bandwidth (MHz) Polarisation Comments
PALSAR-3 active 1 GHz - 1.27 GHz 0 MHz - L-band SAR