Meteosat 8
Encyclopedia
Meteosat 8 is a weather satellite
Weather satellite
The weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be either polar orbiting, seeing the same swath of the Earth every 12 hours, or geostationary, hovering over the same spot on Earth by orbiting over the equator while...

, also known as MSG 1. The Meteosat
Meteosat
The Meteosat series of satellites are geostationary meteorological satellites operated by EUMETSAT under the Meteosat Transition Programme and the Meteosat Second Generation program....

 series are operated by EUMETSAT under the Meteosat Transition Programme (MTP) and the Meteosat Second Generation (MSG) program. Notable for imaging the first meteor to be predicted to strike the earth, 2008 TC3
2008 TC3
thumb|right|300px|Ground path of the meteoroid; red line is the path, terminating where it would have hit the ground; green line is the infrasound detection of the explosion; orange crosshairs show METEOSAT IR fireball location; predicted altitudes are listed; exact path and fireball altitude not...

. Launched 28 Aug 2002 by an Ariane V155, this European Meteorology satellite is in a Geostationary orbit
Geostationary orbit
A geostationary orbit is a geosynchronous orbit directly above the Earth's equator , with a period equal to the Earth's rotational period and an orbital eccentricity of approximately zero. An object in a geostationary orbit appears motionless, at a fixed position in the sky, to ground observers...

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While Meteosat 8 meteorological instruments are working OK, its solid state power amplifier SSPA-C failed in October 2002.

On 22 May 2007, the satellite experienced an unexpected orbit change. This was initially inappropriately assessed as being hit by an unknown object, but that was later assessed as not credible. The thermal protection was damaged at the same time as the orbit change. Subsequent investigation assessed the Meteosat-8 spinning spacecraft's orbit change due to the mass release of thermal covering whose attachment failed. Meteosat-8 is still performing a Rapid Scan Mission over Europe and is backup to the Met9 primary European Service.
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