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Re: An analytical solution of the two star sight problem of celestial navigation
From: Bill Lionheart
Date: 2019 Mar 5, 11:50 +0000

And the idea is quite simple. The circles of position from each sight
is the intersection of a plane with the sphere. The planes intersect
in a line, and it is easy to find the intersection points of a line
with a sphere. I dont know who was teh first to do this.  For bonus
points what is the probability contour in this case! (I don't know off
hand)

Bill

On Mon, 4 Mar 2019 at 15:03, Andrés Ruiz  wrote:
>
> As a curiosity the paper by James Van Allen: "An analytical solution of the 
two star sight problem of celestial navigation" February 1981 at
> https://apps.dtic.mil/dtic/tr/fulltext/u2/a098626.pdf
>
> Published: IoN Vol. 28, No. 1, Spring 1981
>
> regards.
> --
> Andrés Ruiz
> Navigational Algorithms
> http://sites.google.com/site/navigationalalgorithms/
>
>

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