Fuji
In 1986 and then again in 1990 Japan launched small amateur radio satellites under the OSCAR program. The two 50-kg spacecraft, Fuji 1 (Oscar 12) and Fuji 2 (Oscar 20), were constructed by the Japan Amateur Radio League and were roughly 0.4 m by 0.4 m by 0.5 m. Fuji 1 was inserted into a nearly circular orbit of about 1,500 km at an inclination of 50 degrees along with a primary geodetic payload, and Fuji 2 accompanied a maritime observation satellite into space, reaching an orbit of 910 km by 1,750 km at an inclination of 99 degrees. Fuji 1 failed in 1989, but Fuji 2 remained operational in 1994.
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