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Satellite Launches and Retirements
Eutelsat 10B
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<blockquote data-quote="Analoguesat" data-source="post: 1148106" data-attributes="member: 176362"><p>Eute 10B has electric thruster not chemical ones - the power they produce is much less than chemical thrusters so the time to kill the orbital velocities to circularise the orbit & get it geostationary is longer - months instead of weeks. It may seem a backwards step but the ion thrusters are more efficient so in the long term it will stay in service longer.</p><p></p><p>What normally takes tv satellites out of service & end of life is the station keeping thrusters running out of propellant. </p><p></p><p>More efficient thrusters = longer service life = more money earned for Eutelsat. </p><p></p><p>Eutelsat dont care that its taken months to get onto orbit - its all factored in their long term plans.</p></blockquote><p></p>
[QUOTE="Analoguesat, post: 1148106, member: 176362"] Eute 10B has electric thruster not chemical ones - the power they produce is much less than chemical thrusters so the time to kill the orbital velocities to circularise the orbit & get it geostationary is longer - months instead of weeks. It may seem a backwards step but the ion thrusters are more efficient so in the long term it will stay in service longer. What normally takes tv satellites out of service & end of life is the station keeping thrusters running out of propellant. More efficient thrusters = longer service life = more money earned for Eutelsat. Eutelsat dont care that its taken months to get onto orbit - its all factored in their long term plans. [/QUOTE]
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Eutelsat 10B
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