Astrodynamics coordinate frame transforms
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## Installation
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Install with opam:
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```sh
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$ opam install coordinate
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```
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opam install coordinate
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If opam cannot find the package, it may not yet be released in the public
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`opam-repository`. Add the overlay repository, then install it:
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```sh
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$ opam repo add samoht https://tangled.org/gazagnaire.org/opam-overlay.git
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$ opam update
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$ opam install coordinate
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```
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## Usage
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```ocaml
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(* Convert SGP4 TEME output to geodetic coordinates *)
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let gmst = Coordinate.gmst_of_unix unix_time in
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let ecef = Coordinate.teme_to_ecef ~gmst teme_pos in
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let geo = Coordinate.ecef_to_geodetic ecef in
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Printf.printf "Lat: %.4f Lon: %.4f Alt: %.1f km\n" geo.lat geo.lon geo.alt
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let gmst = Coordinate.gmst_of_unix unix_time
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let ecef = Coordinate.teme_to_ecef ~gmst teme_pos
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let geo = Coordinate.ecef_to_geodetic ecef
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let () =
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Printf.printf "Lat: %.4f Lon: %.4f Alt: %.1f km\n"
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geo.lat geo.lon geo.alt
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```
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## API Overview
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coordinate.opam
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coordinate.opam
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