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Jan
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revised Maximum latitude of a great circle
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Jan
3
revised Maximum latitude of a great circle
provided the source of the link mentioned in the original post
Jan
3
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Jan
3
comment Maximum latitude of a great circle
I cannot assume the earth to be spheric. If specific model is needed you can assume WGS84 datum. On the other hand using the equation at 6.68 i can find the latitude itself and the azimuth at that point using Caliraut, for someone math sawy i assume the longitude is also deducable.
Jan
2
comment Maximum latitude of a great circle
The point does not necessarily lie on the equator. One point (lat/lon) and the azimuth at that point identifies a unique great circle. Just like a point and a slope would uniquely identify a line on the Cartesian coordinate system. If you think more data is necessary to solve this please let me know what is missing
Jan
2
comment Maximum latitude of a great circle
link Azimuth is the angle from true north measured clockwise. See figure 6.10 in the link
Jan
2
revised Maximum latitude of a great circle
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Jan
2
comment Maximum latitude of a great circle
edited for clarity. I already have a point and azimuth so it is a unique great circle hence i can use the Clairaut’s Constant mentioned in the link
Jan
2
revised Maximum latitude of a great circle
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Jan
2
asked Maximum latitude of a great circle