Here is a list of all files with brief descriptions:

[detail level 1234567]

docs
include
siderust
coordinates
detail
stream.hpp	Shared helpers for human-readable coordinate stream output
types
cartesian
direction
ecliptic.hpp
equatorial.hpp
position
ecliptic.hpp
equatorial.hpp
geodetic.hpp
direction.hpp
position.hpp
spherical
direction
ecliptic.hpp
equatorial.hpp
galactic.hpp
horizontal.hpp
position
ecliptic.hpp
equatorial.hpp
horizontal.hpp
direction.hpp
position.hpp
cartesian.hpp
spherical.hpp
bodycentric_transforms.hpp	Body-centric coordinate transformations
cartesian.hpp	Typed cartesian coordinate templates
conversions.hpp	Free coordinate conversion helpers
geodetic.hpp	WGS84 geodetic coordinate type
pos_conversions.hpp	Out-of-line template definitions for cartesian<->spherical conversions
spherical.hpp	Typed spherical coordinate templates
types.hpp	Common coordinate aliases (umbrella)
altitude.hpp	Altitude computations for Sun, Moon, stars, and arbitrary ICRS directions
astro_context.hpp	Thin C++ context for selecting Earth-orientation / nutation models
azimuth.hpp	Azimuth computations for Sun, Moon, stars, and arbitrary ICRS directions
bodies.hpp	RAII Star handle, Planet value type, and catalog helpers
body_target.hpp	Target implementation for solar-system bodies
centers.hpp	Zero-sized reference-center tag types mirroring Rust's centers module
constants.hpp	Portable mathematical constants (C++17, no platform macros)
coordinates.hpp	Coordinate module umbrella
ephemeris.hpp	VSOP87 / ELP2000 planetary and lunar ephemeris wrappers
ffi_core.hpp	Error handling and utility base for the siderust C++ wrapper
frames.hpp	Zero-sized reference-frame tag types mirroring Rust's affn::frames
lambert.hpp	Lambert solver C++ wrapper
lunar_phase.hpp	Lunar phase geometry, phase events, and illumination periods
observatories.hpp	Named observatory locations
oem.hpp	CCSDS OEM (Orbit Ephemeris Message) parser C++ wrapper
orbit.hpp	Orbit model wrappers and propagation helpers
orbital_center.hpp	C++ wrapper for body-centric coordinates using orbital elements
runtime_ephemeris.hpp	C++ wrapper for siderust's runtime-loaded JPL DE4xx ephemeris
sgp4.hpp	TLE parsing and SGP4 propagator C++ wrappers
siderust.hpp	Umbrella header for the siderust C++ wrapper library
sky_grid.hpp	Hemispherical alt/az sky-grid sampler mirroring siderust::coordinates::SkyGrid
star_target.hpp	Target implementation for Star catalog objects
subject.hpp	Unified Subject type — one value to represent any celestial entity
target.hpp	Strongly-typed fixed-direction Target for any supported frame
time.hpp	Public siderust time tags and typed time/period aliases
trackable.hpp	Abstract base class for all celestial targets
twilight.hpp	Twilight / darkness phase classification from Sun altitude