What does HITEN stand for?
What does HITEN mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: HITEN.
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What does HITEN mean?
- The Hiten Spacecraft (ひてん, Japanese pronunciation: [çiteɴ]), given the English name Celestial Maiden and known before launch as MUSES-A (Mu Space Engineering Spacecraft A), part of the MUSES Program, was built by the Institute of Space and Astronautical Science of Japan and launched on January 24, 1990. It was Japan's first lunar probe, the first robotic lunar probe since the Soviet Union's Luna 24 in 1976, and the first lunar probe launched by a country other than the Soviet Union or the United States.Hiten was to be placed into a highly elliptical Earth orbit with an apogee of 476,000 km, which would swing past the Moon. However, the injection took place with a delta-v deficit of 50 m/s, resulting in an apogee of only 290,000 km. The deficiency was corrected and the probe continued on its mission. On the first lunar swing-by, Hiten released a small orbiter, Hagoromo (はごろも, named after the feather mantle of Hiten), into lunar orbit. The transmitter on Hagoromo failed, but its orbit was visually confirmed from Earth. After the eighth swing-by, Hiten successfully demonstrated the aerobraking technique on March 19, 1991, flying by the Earth at an altitude of 125.5 km over the Pacific at 11.0 km/s. Atmospheric drag lowered the velocity by 1.712 m/s and the apogee altitude by 8665 km. This was the first aerobraking maneuver by a deep space probe. After the ninth lunar swing-by and second aerobraking maneuver on March 30, 1991, the primary mission of the probe was concluded.