Mission description
The Advanced Land Observing Satellite-4 (ALOS-4) is a Japanese satellite designed to observe the Earth's surface using a phased array type L-band synthetic aperture radar (PALSAR-3).
July 1, 2024 at 3:06 AM UTC
Tanegashima Space Center, Japan

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July 1, 2024 at 3:06 AM UTC
Status: Launch Successful · Live feed refreshes every 30 seconds
Yoshinobu Launch Complex LP-2
Tanegashima Space Center, Japan · 30.4009, 130.9756
The Advanced Land Observing Satellite-4 (ALOS-4) is a Japanese satellite designed to observe the Earth's surface using a phased array type L-band synthetic aperture radar (PALSAR-3).
Mission media
Launch of Advanced Land Observing Satellite-4 “DAICHI-4” (ALOS-4) aboard the third H3 Launch Vehicle
Full video recordH3 · 22
Height
63 m
Diameter
5.27 m
LEO capacity
0 kg
Successful launches
5
Tanegashima Space Center, Japan
The Tanegashima Space Center is the largest rocket-launch complex in Japan. It is located on the southeastern tip of Tanegashima, an island located south of Kyushu, an island and region and Japan. It was established in 1969 when the National Space Development Agency of Japan (NASDA) was formed, and is now run by JAXA. The activities that take place at TNSC include assembly, testing, launching, and tracking satellites, as well as rocket engine firing tests.
Open mapSame launch vehicle
December 31, 2026 at 12:00 AM UTC
August 10, 2026 at 7:23 PM UTC
December 22, 2025 at 1:51 AM UTC
February 2, 2025 at 8:30 AM UTC
November 4, 2024 at 6:48 AM UTC
February 17, 2024 at 12:22 AM UTC
Launch success with satellite solar panels deployed and in proper attitude control.