Sun-sync degree coordination

Sword7

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Folks,

Does anyone know any formula to calculate sun-sync planet coordination (zero degree faces sun from orbiting planet)? At fixed eye position relative to planet, stars in background moves across planet that faces sun fixed. I was looking for formula through google, etc. but can't find one source so far.

Thanks.
 
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Folks,
Does anyone know any formula to calculate sun-sync

You have me up to here, then...

zero degree coordination (zero degree faces sun from orbiting planet)? At fixed position relative to planet, stars in background moves across planet that faces sun fixed. I was looking for formula through google, etc. but can't find one source so far.

Thanks.

I have no idea what you are talking about, and I suspect that you don't, either. No offense.

See if my Excel in this post helps you:
http://www.orbiter-forum.com/showthread.php?t=26286&highlight=sun-synchronous
 
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I think you are saying that you want to calculate the vector that points from the center of a planet to the sun as a function of time?
 
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