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Ohsumi (satellite)

From Wikipedia, the free encyclopedia

Mission typeEarth science
OperatorInstitute of Space and Aeronautical Science, University of Tokyo (now part of JAXA)
COSPAR ID1970-011A
SATCAT no.04330Edit this on Wikidata
Spacecraft properties
Launch mass24.0 kilograms (52.9 lb)[1]
Power10.3 watt[1]
Start of mission
Launch dateFebruary 11, 1970, 04:25 (1970-02-11UTC04:25Z) UTC
Launch siteKagoshima LA-L
End of mission
Last contactFebruary 12, 1970 (1970-02-13)[2]
Decay dateAugust 2, 2003[3]
Orbital parameters
Reference systemGeocentric
RegimeMedium Earth
Perigee altitude350 kilometres (220 mi)
Apogee altitude5,140 kilometres (3,190 mi)
Inclination31.0 degrees[5]
Period144.0 minutes
Epoch10 February 1970, 23:25:00 UTC[4]

Ōsumi (or Ohsumi) is the first Japanese satellite put into orbit. It was launched on February 11, 1970 at 04:25 UTC with a Lambda 4S-5 rocket from Uchinoura Space Center by Institute of Space and Aeronautical Science, University of Tokyo, now part of the Japan Aerospace Exploration Agency (JAXA). Japan became the fourth nation after the USSR, United States and France to release an artificial satellite into successful orbit on its own. The satellite is named after the Ōsumi Peninsula in Kagoshima Prefecture, Japan, where the launch site is located.

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  • L-4S-5(人工衛星「おおすみ」)1970年打上げ【宇宙科学研究所の歩み 001】


See also


  1. ^ a b "Ohsumi". NASA NSSDC Master Catalog. NSSDC, NASA. Retrieved 2008-02-12.
  2. ^ "ohsumi". Archived from the original on 11 May 2013. Retrieved 14 August 2015.
  3. ^ "SPX-598". SPACEWARN Bulletin. NSSDC, NASA. Archived from the original on 2008-01-05. Retrieved 2008-03-02.
  4. ^ a b "Trajectory Details". NASA NSSDC Master Catalog. NSSDC, NASA. Retrieved 2008-02-12.
  5. ^ "Osumi". Encyclopedia Astronautica. Astronautix. Retrieved 2008-03-02.

External links

This page was last edited on 11 February 2021, at 07:06
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