R: Plot Objects Moving in Orbits

# Plot Objects Moving in Orbits

## Documentation for package ‘RoundAndRound’ version 0.0.1

- DESCRIPTION file
- Code demos. Use demo() to run them.
- Package README

## Help Pages

ab2c | Calculate c in Focus (c, 0)
Arrow.pcs | Add arrows in Polar Coordinate System
Arrow3D | Plot 3D Arrow axis. 'Arrow3D'
d2r | Degree to Radian
FactSheet | This is data to be included in my package
Orbit.location | Calculate location of a planet 'Orbit.location'
orbit.parameter | Give the orbit the parameter
PCS2CCS | Convert Polar Coordinate System to Cartesian Coordinate System.
plotpcs | Plot in polar coordinate system
plotplanet | Plot a planet
r2d | Radian to degree
SpaceObject | Class of planet 'SpaceObject'
SpaceObject-class | Class of planet 'SpaceObject'
SpaceOrbit | Class of Orbit 'Orbit'
SpaceOrbit-class | Class of Orbit 'Orbit'
Status.planet | Calculate the status of planet 'Status.planet'