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astronautix.com SS


Class: Earth. Type: Magnetosphere. Nation: Japan.

Scientific observations in outer space.


Specification


SS Chronology


25 September 1970 SS Launch Site: Kagoshima . Launch Vehicle: Mu-3S. FAILURE: Fourth stage failed to ignite.
28 September 1971 SS-01 Shinsei Launch Site: Kagoshima . Launch Vehicle: Mu-3S. Mass: 65 kg. Perigee: 872 km. Apogee: 1,866 km. Inclination: 32.0 deg.

Scientific observations in outer space. Injection point 29 deg 7 min N, 145 deg 8 min E.


19 August 1972 SS-02 Denpa Launch Site: Kagoshima . Launch Vehicle: Mu-3S. Mass: 75 kg. Perigee: 238 km. Apogee: 6,322 km. Inclination: 31.0 deg.

Ionospheric experiments. Scientific observations in the ionosphere and magnetosphere. Interjection point 31 deg 15' N 11 deg 05' E.


24 February 1975 SS-03 Taiyo Launch Site: Kagoshima . Launch Vehicle: Mu-3S. Mass: 86 kg. Perigee: 254 km. Apogee: 3,125 km. Inclination: 31.5 deg.

Examined solar radiation, thermospheric structure. SRATS (Solar and Thermospheric Radiation Satellite) is the third Japanese scientific satellite, to study the intereffects of solar radiation and the thermosphere of the earth. National name: Taiyo. Launch time 0525 GMT.


21 February 1979 SS-04 Hakucho Launch Site: Kagoshima . Launch Vehicle: Mu-3S. Mass: 100 kg. Perigee: 543 km. Apogee: 566 km. Inclination: 29.8 deg.

Soft X-ray telescope. Launching organization: Institute of Space and Aeronautical Science, University of Tokyo. Function: Observation of X-ray radiation of celestial bodies with good time resolution over a wide spectrum range. Characterstics: weight 96 kg, configuration regula r octagonal prism, height 0.66 m, diameter 0.76m, spin stabilized. Expected life 2 years.


18 August 1985 SS-11 Suisei Launch Site: Kagoshima . Launch Vehicle: Mu-3S. Mass: 141 kg.

Rendezvoused with comet Halley 3/8/86. Solar Orbit (Heliocentric). PLANET-A (SUISEI). Launch time 2333 GMT. Imaging of the hydrogen coma of Halley's comet by the hydrogen Lyman alpha line. Measurement of the solar wind in the cruising phase and in the vicinity of the comet. Launching organiza tion ISAS. Heliocentric orbit parameters 282 days, inclination 0.888 deg, 151.42 x 100.5 million km (1.0122 x 0.6718 AU).



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Last update 12 March 2001.
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© Mark Wade, 2001 .