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Class: Earth. Type: Magnetosphere. Nation: Japan. Agency: ISAS. Scientific observations in outer space. Typical orbit: 476 x 2969 km, 31 deg inclinaton.
SS Chronology - 1970 September 25 - SS - Launch Site: Kagoshima. Launch Complex: M. Launch Vehicle: Mu. FAILURE: Fourth stage failed to ignite. Apogee: 712 km (442 mi).
- 1971 September 28 - SS-01 Shinsei - Launch Site: Kagoshima. Launch Complex: M. Launch Vehicle: Mu. Mass: 65 kg (143 lb). Perigee: 872 km (541 mi). Apogee: 1,866 km (1,159 mi). Inclination: 32.00 deg. Period: 113.10 min.
Scientific observations in outer space. Injection point 29 deg 7 min N, 145 deg 8 min E.
- 1972 August 19 - SS-02 Denpa - Launch Site: Kagoshima. Launch Complex: M. Launch Vehicle: Mu. Mass: 75 kg (165 lb). Perigee: 238 km (147 mi). Apogee: 6,322 km (3,928 mi). Inclination: 31.00 deg. Period: 157.40 min.
Ionospheric experiments. Scientific observations in the ionosphere and magnetosphere. Interjection point 31 deg 15' N 11 deg 05' E.
- 1975 February 24 - SS-03 Taiyo - Launch Site: Kagoshima. Launch Complex: M. Launch Vehicle: Mu. Mass: 86 kg (189 lb). Perigee: 254 km (157 mi). Apogee: 3,125 km (1,941 mi). Inclination: 31.50 deg. Period: 120.20 min.
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.
- 1979 February 21 - SS-04 Hakucho - Launch Site: Kagoshima. Launch Complex: M. Launch Vehicle: Mu. Mass: 100 kg (220 lb). Perigee: 543 km (337 mi). Apogee: 566 km (351 mi). Inclination: 29.80 deg. Period: 95.70 min.
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.
- 1985 August 18 - SS-11 Suisei - Launch Site: Kagoshima. Launch Complex: M. Launch Vehicle: Mu. Mass: 141 kg (310 lb).
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).
Bibliography:- McDowell, Jonathan, Jonathan's Space Home Page (launch records), Harvard University, 1997-present. Web Address when accessed: http://www.planet4589.org/jsr.html.
- JPL Mission and Spacecraft Library, Jet Propulsion Laboratory, 1997. Web Address when accessed: http://msl.jpl.nasa.gov/home.html.
- Bramscher, Robert G, Spaceflight, "A Survey of Launch Vehicle Failures", 1980, Volume 22, page 351.
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