The first Soviet meteorological satellite went out of orbit 43 years after its launch. Free Technical Library News

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The first Soviet meteorological satellite deorbited 43 years after launch

04.04.2012

According to the press service of the Aerospace Defense Forces of the Russian Federation, on Tuesday, March 27, the first Soviet meteorological satellite "Meteor 1-1" of the same series ceased to exist. Fragments of the spacecraft fell on the territory of Antarctica at a point with coordinates 80,9o S and 5,63o W. According to the Main Center for Space Intelligence of the Aerospace Defense Forces, the entry of fragments of the spacecraft into the dense layers of the atmosphere occurred at 02.17 Moscow time on Tuesday.

The launch of the probe "Meteor 1-1" took place exactly 43 years ago - on March 26, 1969 from the Plesetsk cosmodrome. The satellite became the first full-fledged orbital meteorological instrument after the Cosmos series of experimental vehicles. The probe was equipped with television, infrared and actinometric equipment. Data on temperature and cloudiness were broadcast to Earth, as well as images taken in the visible and infrared range, which were transmitted to the Hydrometeorological Center and meteorological services of other states.

The useful life of the first "Meteor" was a little over a year. According to NASA, the device stopped working in July 1970, when the transmission of video information and infrared data from the USSR to the USA via special communication channels created during the Cold War was interrupted.

Initially, a device weighing about 1,2 tons was launched into a polar circular orbit at a height of 650 km. In the summer of 2011, the satellite was at an altitude of about 400 km, but nine months later, in March 2012, it dropped to 250 km. Information resource n2yo.com reports that "Meteor 1-1" before entering the dense layers of the atmosphere was in orbit with the following parameters: perigee - 137,4 km, apogee - 152,3 km, inclination - 81,1o, orbital period - 87,2 ,XNUMX minutes.

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