Japan Launches Sakigake, Its First Deep Space Probe
January 7th, 1985
January 7th, 1985

How Long Ago?
40 years, 2 months, 8 days ago
Location
Tanegashima, Japan
Category
Space Exploration
People
- Yoshio Akimoto
- Masaki Morimoto
- Hiroshi Otake
Links & References
Tags
Japan Launches Sakigake, Its First Deep Space Probe
The Japan Aerospace Exploration Agency (JAXA) successfully launched the Sakigake spacecraft, marking Japan's first foray into interplanetary exploration. This groundbreaking mission commenced from the Tanegashima Space Center, using the powerful H-II rocket. Designed to study comets, Sakigake was significant not only as Japan's inaugural deep space probe but also as the first such spacecraft launched by a country other than the United States or the Soviet Union. As it journeyed towards Halley's Comet, the probe aimed to conduct detailed scientific observations, paving the way for advancements in astrobiology and space sciences.
Sakigake was Japan's first interplanetary probe.
Launched from Tanegashima Space Center in 1985.
Targeted Halley's Comet for scientific study.
Marked a shift in global space exploration dynamics.
What Happened?
The Sakigake spacecraft, developed by JAXA, was launched to investigate and explore the nature of comets, specifically targeting Halley's Comet, which was approaching its perihelion in 1986. Utilizing the advanced launch capabilities of the H-II rocket, Sakigake's mission was aimed at performing detailed studies of the comet's atmosphere and surface characteristics. As Japan embarked on this ambitious project, the Sakigake probe became a symbol of the nation's dedication to expanding its role in space exploration, joining the ranks of the leading spacefaring nations during a pivotal time in the field of astrophysics.
The design of Sakigake allowed it to carry sophisticated scientific instruments, enabling it to gather invaluable data during its passage near Halley’s Comet. The spacecraft was equipped with a variety of instruments, including a dust detector and a plasma wave monitor, which were designed to study the comet's gaseous and particulate environment. This meticulously planned mission was crucial as the scientific community sought to understand better the origins and mechanics of cometary behavior and its implications for the solar system.
The successful launch and subsequent journey of Sakigake heralded a new era of Japanese space exploration, illustrating the nation's growing expertise and ambition in high-technology endeavors. It paved the way for future missions, laying the groundwork for Japan's continued contributions to international space research and exploration. Sakigake's two-year voyage culminated in a significant close approach to Halley's Comet, during which it transmitted key scientific data back to Earth, contributing valuable insight into our understanding of comets and space sciences.
Why Does it Matter?
The launch of Sakigake is significant as it marked Japan's emergence as a major player in the realm of space exploration, shifting the landscape away from a U.S.-Soviet dominance. This mission sparked interest and investment in Japan's aerospace industry, promoting advancements in space technology and science, and setting the stage for future explorations, including missions to the Moon and Mars. The scientific findings from Sakigake contributed to a global understanding of cometary phenomena and inspired subsequent generations of scientists and engineers in Japan and around the world.
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