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Old 06-05-2017, 09:23 PM   #1
ElonSatoshi
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Default How do I calculate my heading with align plane MFD?

So I was wondering if there was a way to calculate which heading I should take to rendezvouz with the ISS, using the Align Plane MFD. Or maybe a way to calculate my heading based on my latitude and the ISS's inclination. Short of that, is there a chart showing which headings to take from each base?
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Old 06-06-2017, 12:26 AM   #2
Samuel Edwards
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You can find an answer in this thread on Dan's Orbiter page: http://orbiter.dansteph.com/forum/in...?topic=10321.0

Code:
azimuth = arcsin ( cos (inclination) / cos (lattitude) )
Additionally, you could use LaunchMFD which will calculate the heading for you. https://www.orbithangar.com/searchid.php?ID=6988

Last edited by Samuel Edwards; 06-06-2017 at 12:27 AM. Reason: Sometimes, there's no reason to edit. I just like to write stuff here for the fun of it.
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Old 06-10-2017, 05:34 AM   #3
ElonSatoshi
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Quote:
Additionally, you could use LaunchMFD which will calculate the heading for you. https://www.orbithangar.com/searchid.php?ID=6988
You could've linked to the 2016 version: https://www.orbithangar.com/searchid.php?ID=2802

I'll have to memorize that equation, thanks!
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Old 06-10-2017, 06:10 AM   #4
Ripley
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You can find a more thorough explanation in Dansteph's DGIV documentation, pages 19-21.
After install, doc is "DGIV_Documentation_ en.pdf" in "Orbiter_ROOT\Doc\DeltaGliderIV\res" folder.

You can also download this XL file:
https://www.orbithangar.com/searchid.php?ID=5222
Sorry, it's in Italian. Maybe I'll translate it, if there's need to.

Last edited by Ripley; 06-10-2017 at 07:48 AM.
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Old 06-10-2017, 06:53 AM   #5
Samuel Edwards
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Quote:
Originally Posted by ElonSatoshi View Post
 You could've linked to the 2016 version: https://www.orbithangar.com/searchid.php?ID=2802

I'll have to memorize that equation, thanks!
I am in the mindset that 2010 is what people are still using.

Glad it helped tho! It's a nifty equation.

Last edited by Samuel Edwards; 06-10-2017 at 06:55 AM.
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Old 06-10-2017, 11:44 PM   #6
ElonSatoshi
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Quote:
Originally Posted by Samuel Edwards View Post
 I am in the mindset that 2010 is what people are still using.

Glad it helped tho! It's a nifty equation.
If UMMU were finally updated and not broken in 2016, there'd be no reason to use 2010. Finally, uneven terrain? I couldn't resist.

I just hope 2016 works on Wine. I hear it doesn't. And that's why this new laptop still has Windows and not Gentoo.

Last edited by ElonSatoshi; 06-10-2017 at 11:48 PM.
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Old 06-11-2017, 09:38 AM   #7
Enjo
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Quote:
Originally Posted by ElonSatoshi View Post
 I just hope 2016 works on Wine. I hear it doesn't. And that's why this new laptop still has Windows and not Gentoo.
Who told you that? Did he/she see this page?
http://www.orbiterwiki.org/wiki/Runn...ter_under_Wine

Quote:
Originally Posted by Samuel Edwards View Post
 
Code:
azimuth = arcsin ( cos (inclination) / cos (lattitude) )
Quote:
Originally Posted by ElonSatoshi View Post
 I'll have to memorize that equation, thanks!
This equation is only a rough estimate. Here is a version that's closer to reality. Launch MFD calculates this and other stuff as well.

P.S.
Let's move the Wine discussion here.

Last edited by Enjo; 06-11-2017 at 09:47 AM.
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Old 06-13-2017, 02:24 PM   #8
Ripley
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Quote:
Originally Posted by Ripley View Post
 ...Maybe I'll translate it, if there's need to.
Well...I "created" the need, and now you can download an English version of it.
https://www.orbithangar.com/searchid.php?ID=5222

Last edited by Ripley; 06-13-2017 at 03:37 PM.
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