ALOS-4 (DAICHI-4)
The Japan Aerospace Exploration Agency Advanced Land Observing Satellite-4 (ALOS-4), nicknamed DAICHI-4, is an active Earth-observation mission launched on 1 July 2024. Its PALSAR-3 phased-array L-band synthetic-aperture radar and ship-identification receiver provide high-resolution, broad-swath, day-and-night, all-weather observations for disaster areas, forests, sea ice, and maritime monitoring.
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Identity
- Aliases
- DAICHI-4ALOS-4Advanced Land Observing Satellite-4Advanced Land Observing Satellite 4
- Name
- ALOS-4 (DAICHI-4)
- Status
- active
Details
- Astronauts
- -
- Description
- The Japan Aerospace Exploration Agency Advanced Land Observing Satellite-4 (ALOS-4), nicknamed DAICHI-4, is an active Earth-observation mission launched on 1 July 2024. Its PALSAR-3 phased-array L-band synthetic-aperture radar and ship-identification receiver provide high-resolution, broad-swath, day-and-night, all-weather observations for disaster areas, forests, sea ice, and maritime monitoring.
- Destination
- Sun-synchronous sub-recurrent orbit at approximately 628 km altitude (97.9° inclination) for PALSAR-3 L-band radar and AIS observations of disaster areas, land deformation, forests, sea ice, ships, and infrastructure in day-and-night, all-weather conditions
- Programs
- Start Date
- 2024-07-01
- Vehicle Families
Links
Assets & Meta
- Creation Time
- August 13, 2026 at 21:04:16 UTC
- Updated Time
- September 28, 2026 at 09:01:05 UTC
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Other
- Affiliations
- Space Stations
- -
- Vehicles