Artist's conception of the Russian Express-AM4 telecommunications satellite (Credits: EADS Astrium).
According to press agency Xinhua, the Russian heavy satellite Express-AM4, inserted in a wrong orbit after a faulty launch on Aug. 18, might pose a threat to space navigation satellites
Quoting a source in the space industry, the interfex news agency said that the satellite may stay in its orbit for decades, risking collisin with Glonass, GPS, Globalstar and Iridium satellites. The satellite however would pose no danger to the International Space Station (ISS), which flies on a higher orbit.
http://news.xinhuanet.com/english2010/world/2011-08/26/c_131077538.htm
![A trajectory analysis that used a computational fluid dynamics approach to determine the likely position and velocity histories of the foam (Credits: NASA Ref [1] p61).](http://www.spacesafetymagazine.com/wp-content/uploads/2014/05/fluid-dynamics-trajectory-analysis-50x50.jpg)
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