Difference between revisions of "Project:HackSat One"

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== The Orbit ==
 
== The Orbit ==
''"While we don't know the orbit, we're aiming for a circular low altitude LEO - around 300 km. altitude. That would mean a roughly 90 minute orbit with several daylight passes per day (usually 3 or 4 over any given location). Each pass would be somewhere around 5 minutes long."''
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''"While we don't know the orbit, we're aiming for a circular low altitude LEO - around 300 km. altitude. That would mean a roughly 90 minute orbit with several daylight passes per day (usually 3 or 4 over any given location). Each pass would be somewhere around 5 minutes long."''  
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At that (low) a hight - the orbit repeat cycle would really matter quite a bit; i.e. how many days before it passes within line of sight of a given ground station; and is there enough power to survive across such cycles; or if not - is there enough to be 'on' when doing an overpass (in daylight).
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B.t.w. http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4526281 has a pretty good overview.

Revision as of 22:30, 7 November 2011