orbital_center.hpp File Reference

C++ wrapper for body-centric coordinates using orbital elements. More...

#include "centers.hpp"
#include "ffi_core.hpp"
#include "orbit.hpp"
#include <cstdint>
#include <ostream>

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Classes
struct	siderust::BodycentricParams
	Parameters for a body-centric coordinate system. More...

Namespaces
namespace	siderust

Enumerations
enum class	siderust::OrbitReferenceCenter : std::uint8_t { siderust::Barycentric = 0 , siderust::Heliocentric = 1 , siderust::Geocentric = 2 }
	Specifies the reference center for an orbit. More...

Functions
std::ostream &	siderust::operator<< (std::ostream &os, OrbitReferenceCenter center)

Detailed Description

C++ wrapper for body-centric coordinates using orbital elements.

Provides OrbitReferenceCenter enum and BodycentricParams struct to define and work with coordinate systems centered on orbiting bodies (planets, moons, satellites, etc.). Use these with Position<centers::Bodycentric, F, U> to express positions relative to an orbiting body.

Example

using namespace siderust;
 
// Define Mars's heliocentric orbit
KeplerianOrbit mars_orbit = {
    1.524,    // semi_major_axis_au
    0.0934,   // eccentricity
    1.85,     // inclination_deg
    49.56,    // lon_ascending_node_deg
    286.5,    // arg_periapsis_deg
    19.41,    // mean_anomaly_deg
    Time<TT, JD>::J2000()
};
 
// Create parameters: Mars as center of a heliocentric orbit
BodycentricParams mars_center = BodycentricParams::heliocentric(mars_orbit);
 
// Later, compute Mars position and use it as reference center
// (Integration with transform functions coming in future release)

Definition in file orbital_center.hpp.