Man pages for orbitr
A Tidy Physics Engine for Building and Visualizing Orbital Simulations

add_bodyAdd a physical body to the system
add_body_keplerianAdd a body using Keplerian orbital elements
add_planetAdd a known solar system body by name
add_sunAdd the Sun to the system
animate_systemAnimate the System Over Time (Smart 2D/3D Dispatch)
animate_system_3dAnimate the System Over Time in Interactive 3D
conserved_quantitiesConserved quantities and how well a simulation conserved them
continue_simulationContinue a simulation from its last state
create_systemInitialize an orbitr simulation system
export_bodiesExport body states to CSV
get_bodiesExtract the body table from a system
get_energyTotal energy of a simulated system
get_momentumTotal linear and angular momentum of a simulated system
get_orbital_elementsOsculating orbital elements of a body relative to a parent
load_solar_systemLoad a pre-built solar system
load_systemLoad an orbit_system from disk
physical_constantsPhysical Constants for Orbital Mechanics
plot_orbitsPlot Orbital Trajectories (Smart 2D/3D Dispatch)
plot_orbits_3dPlot 3D Interactive Orbital Trajectories
plot_systemPlot System Snapshot at a Single Time (Smart 2D/3D Dispatch)
plot_system_3dPlot 3D Interactive System Snapshot at a Single Time
print.orbit_systemPrint an orbit_system
remove_bodyRemove one or more bodies from the system
save_systemSave an orbit_system to disk
shift_reference_frameShift the coordinate reference frame of the simulation
simulate_systemSimulate kinematics for an orbitr system
system_from_simulationRebuild an orbit_system from a simulation snapshot
orbitr documentation built on Oct. 2, 2026, 1:06 a.m.