description ALOS Overview
ALOS (Advanced Land Observing Satellite), also called Daichi, was a JAXA Earth observation satellite launched on an H-IIA rocket in January 2006 from Tanegashima, Japan. It carried three instruments: PRISM for panchromatic stereo mapping at 2.5-meter resolution, AVNIR-2 for multispectral imaging, and PALSAR, an L-band synthetic aperture radar. The mission supported cartography, land-use monitoring, and disaster assessment until contact was lost in April 2011.
insights Ranking position
ALOS ranks #34 of 187 in the Satellite ranking, behind QuickBird, ahead of THEMIS (constellation).
help ALOS FAQ
Which space agency was responsible for launching the ALOS satellite?
The ALOS (Advanced Land Observing Satellite), also known as Daichi, was a Japanese Earth observation satellite operated by the Japan Aerospace Exploration Agency (JAXA). It was successfully launched into orbit in 2006.
What types of sensors were equipped on the ALOS satellite?
ALOS carried a suite of advanced instruments, including optical sensors and a Phased Array type L-band Synthetic Aperture Radar (PALSAR). This combination allowed the satellite to perform high-resolution cartography and precise disaster monitoring in all weather conditions.
What was the primary mission objective of the ALOS satellite?
The satellite's primary mission was to provide precise data for cartography, regional observation, disaster monitoring, and resource surveying. It successfully gathered critical geographical data until JAXA officially concluded its operations in 2011.
Did the ALOS mission have any follow-up or successor satellites?
Yes, to continue the legacy of the original Daichi mission, JAXA launched ALOS-2 (Daichi-2) in 2014 and ALOS-4 (Daichi-4) later in the 2020s. These successors feature enhanced L-band SAR capabilities for continuous Earth monitoring.
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