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MS T3 (Tansei 3)


Japanese test satellite Tansei 3 was launched by the Institute of Space and Aeronautical Science of the University of Tokyo. The active lifespan of the satellite was expected to be about 2 weeks. Its functions were:

  • test of the overall performance of the newly developed launch vehicle, M-3H,
  • experiment of magnetic stabilization and,
  • observation of ultraviolet radiation.
Nation: Japan
Type / Application: Technology
Operator: ISAS
Power: Batteries
Mass: 134 kg
Orbit: 791 km × 3813 km, 65.8
Satellite COSPAR Date LS Launch Vehicle Remarks
MS T3 (Tansei 3) 1977-012A 19.02.1977 Ka LP-M M-3H [KM-?]


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