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NAIF Tools

 There are many useful tools, and various  SPICE kernel is selectable

Webgeocalc

one of them is:

Angular separation finder


Eg: can use this for lunar eclipse. the result is geometrical, not taking into account of earth’s atmosphere and shadow do not have a clear edge

On 2022 Nov 8

Moon , earth from observer sun:

Minimum at 10:51 UTC


solar eclipse 2022 oct 25 11::00:42  UTC  1.03603818


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