What's NEW!

Nov. 7, 2022
ALOS Series Open and Free data was started to release to the public.
Oct. 25, 2022
Calibration results of ALOS-2/PALSAR-2 standard products were updated.
Oct. 11, 2022
ALOS-2 Weekly Observation Plan page was released.
Oct. 7, 2022
ALOS-2 / "PALSAR-2 Basic Observation Scenario Map/User Guideline" was updated.(CYCLE216~CYCLE228)
PALSAR-2 Basic Observation Mode per cycle (World/Japan) was updated.
ALOS-2 Basic Observation Scenario (3rd Edition,Ver.I) was uploaded.
Jul. 8, 2022
The late proposal for the 3rd Research Announcement on the Earth Observations was announced.
The proposal submission deadline will be in August 31, 2022. The detail is referred on here.
Apr. 28, 2022
"Final Report on the 6th ALOS-2 Research Announcement" was uploaded.
Apr. 22, 2022
Earth Day ~Caring about our Earth~ (Link to "Updates on Earth")
Mar. 22, 2022
Joint Submissions to "the Global Stocktake of the Paris Agreement".
Feb. 14, 2022
ALOS-2 accumulated observation results (from observation start date to present: 2014/8/4~2021/12/12) were uploaded.
ALOS-2 annual observation results (2021: 2020/12/14~2021/12/12) were uploaded.
ALOS-2 Supersites observation results (from observation start date to present: 2014/8/4~2021/12/12) were uploaded.


  • ALOS-4, DAICHI-4

    An L-band SAR mission achieving wide swath observation with high resolution, as successor of "DAICHI-2" (ALOS-2). To be launched in JFY2022.

  • ALOS-3, DAICHI-3

    An optical mission achieving high resolution observation with wide swath, as successor of optical mission of "DAICHI" (ALOS). To be launched in JFY2021.

  • ALOS-2, DAICHI-2

    Follow-on mission of L-band SAR from "DAICHI" (ALOS), which contributes for a variety of purposes, including disaster monitoring, forest distribution, and analysis of crustal movement.


    This project aimed to contribute various earth observation field as mapping, disaster monitoring, and resource surveying in global.

  • JERS-1, FUYO-1

    The first satellite in Japan equipped with L-band synthetic aperture radar (SAR) and stereoscopic optical instrument and observed global land area for various purposes.