# A Tidy Physics Engine for Building and Visualizing Orbital Simulations

## Documentation for package ‘orbitr’ version 0.3.0

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package NEWS
- Package README

## Help Pages

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
distance_earth_moon | Physical Constants for Orbital Mechanics
distance_earth_sun | Physical Constants for Orbital Mechanics
distance_jupiter_sun | Physical Constants for Orbital Mechanics
distance_mars_sun | Physical Constants for Orbital Mechanics
distance_mercury_sun | Physical Constants for Orbital Mechanics
distance_neptune_sun | Physical Constants for Orbital Mechanics
distance_pluto_sun | Physical Constants for Orbital Mechanics
distance_saturn_sun | Physical Constants for Orbital Mechanics
distance_uranus_sun | Physical Constants for Orbital Mechanics
distance_venus_sun | Physical Constants for Orbital Mechanics
export_bodies | Export body states to CSV
get_bodies | Extract the body table from a system
gravitational_constant | Physical Constants for Orbital Mechanics
load_solar_system | Load a pre-built solar system
load_system | Load an orbit_system from disk
mass_earth | Physical Constants for Orbital Mechanics
mass_jupiter | Physical Constants for Orbital Mechanics
mass_mars | Physical Constants for Orbital Mechanics
mass_mercury | Physical Constants for Orbital Mechanics
mass_moon | Physical Constants for Orbital Mechanics
mass_neptune | Physical Constants for Orbital Mechanics
mass_pluto | Physical Constants for Orbital Mechanics
mass_saturn | Physical Constants for Orbital Mechanics
mass_sun | Physical Constants for Orbital Mechanics
mass_uranus | Physical Constants for Orbital Mechanics
mass_venus | Physical Constants for Orbital Mechanics
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
print.orbit_system | Print an orbit_system
remove_body | Remove one or more bodies from the system
save_system | Save an orbit_system to disk
seconds_per_day | Physical Constants for Orbital Mechanics
seconds_per_hour | Physical Constants for Orbital Mechanics
seconds_per_year | Physical Constants for Orbital Mechanics
shift_reference_frame | Shift the coordinate reference frame of the simulation
simulate_system | Simulate kinematics for an orbitr system
speed_earth | Physical Constants for Orbital Mechanics
speed_jupiter | Physical Constants for Orbital Mechanics
speed_mars | Physical Constants for Orbital Mechanics
speed_mercury | Physical Constants for Orbital Mechanics
speed_moon | Physical Constants for Orbital Mechanics
speed_neptune | Physical Constants for Orbital Mechanics
speed_pluto | Physical Constants for Orbital Mechanics
speed_saturn | Physical Constants for Orbital Mechanics
speed_uranus | Physical Constants for Orbital Mechanics
speed_venus | Physical Constants for Orbital Mechanics