Astronomical
============

Orbital mechanics and astronomical computations.

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Orbital Mechanics
-----------------

Kepler propagation, orbital elements, and state conversions.

.. automodule:: pytcl.astronomical.orbital_mechanics
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Lambert Problem
---------------

Lambert problem solvers for orbit determination.

.. automodule:: pytcl.astronomical.lambert
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Reference Frames
----------------

Celestial and terrestrial reference frame transformations.

.. automodule:: pytcl.astronomical.reference_frames
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Time Systems
------------

Astronomical time systems and conversions.

.. automodule:: pytcl.astronomical.time_systems
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JPL Ephemerides
---------------

High-precision celestial body positions using JPL Development Ephemeris files.

.. automodule:: pytcl.astronomical.ephemerides
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Relativistic Corrections
------------------------

Relativistic effects in orbital mechanics and space-time geometry.

.. automodule:: pytcl.astronomical.relativity
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