add_body                Add a physical body to the system
add_body_keplerian      Add a body using Keplerian orbital elements
add_planet              Add a known solar system body by name
add_sun                 Add the Sun to the system
animate_system          Animate the System Over Time (Smart 2D/3D
                        Dispatch)
animate_system_3d       Animate the System Over Time in Interactive 3D
create_system           Initialize an orbitr simulation system
load_solar_system       Load a pre-built solar system
physical_constants      Physical Constants for Orbital Mechanics
plot_orbits             Plot Orbital Trajectories (Smart 2D/3D
                        Dispatch)
plot_orbits_3d          Plot 3D Interactive Orbital Trajectories
plot_system             Plot System Snapshot at a Single Time (Smart
                        2D/3D Dispatch)
plot_system_3d          Plot 3D Interactive System Snapshot at a Single
                        Time
shift_reference_frame   Shift the coordinate reference frame of the
                        simulation
simulate_system         Simulate kinematics for an orbitr system
