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sidereon

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Satellite toolkit for Elixir with SGP4 propagation, coordinate transforms, GNSS positioning, orbit determination, conjunction assessment, pass prediction, and a Rust NIF backend.

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sidereon lib sidereon teme_state.ex
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lib/sidereon/teme_state.ex 

defmodule Sidereon.TemeState do

  @moduledoc """

  Represents the position and velocity of a satellite in the TEME coordinate system.



  TEME (True Equator Mean Equinox) is the reference frame used by SGP4 propagators.



  ## Units

  - Position: kilometers (km) from Earth's center  

  - Velocity: kilometers per second (km/s)

  """



  @type t :: %__MODULE__{

          position: {float(), float(), float()},

          velocity: {float(), float(), float()}

        }



  @enforce_keys [:position, :velocity]

  @derive Jason.Encoder

  @derive JSON.Encoder

  defstruct [

    :position,

    :velocity

  ]

end