
12/01/2024
Japan's inaugural launch of 2024 marked the successful deployment of a reconnaissance satellite, IGS Optical 8, atop an H-2A rocket from the Tanegashima Space Center. The launch occurred at 11:44 p.m. EST on January 11. Mitsubishi Heavy Industries, responsible for constructing and operating the H-2A, reported that the rocket followed its planned trajectory, with the satellite separating as intended. Given the secretive nature of IGS Optical 8, details in the post-launch update were limited, as the satellite is part of the Information Gathering Satellite series operated by the Japanese government's Cabinet Satellite Information Center. The target orbit for IGS Optical 8 was a sun-synchronous path 310 miles above Earth, a popular choice for spy satellites due to consistent lighting conditions.
The IGS satellites, serving both national defense and civil disaster monitoring purposes, possess capabilities such as optical sensing and radar functionality, achieving ground resolutions better than 40 cm (~1.3 ft). Thursday's liftoff marked the 48th overall mission for the H-2A, which first launched in 2001 and has experienced only one failure during the November 2003 launch of the IGS 2 satellite. The article highlights the versatility of the H-2A, referencing its previous mission in September 2023, where it deployed Japan's XRISM X-ray space telescope and the SLIM lander headed towards the moon. The SLIM lander is scheduled to touch down on the moon on January 19, potentially making Japan the fifth nation to successfully soft-land a craft on the lunar surface, following the Soviet Union, the U.S., China, and India.
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