| Name | Description | Type | Package | Framework |
| BesselianCoordinateSystem | This class implements Besselian coordinate systems. | Class | org.jscience.astronomy.solarsystem.coordinates.coordinatesystems | JScience |
| EclipticCoordinateSystem | An ecliptic coordinate system in a Julian frame. | Class | org.jscience.astronomy.solarsystem.coordinates.coordinatesystems | JScience |
| GalacticCoordinateSystem | The class defining Galactic coordinate system. | Class | org.jscience.astronomy.solarsystem.coordinates.coordinatesystems | JScience |
| HelioeclipticCoordinateSystem | A helioecliptic coordinate system at a given epoch. | Class | org.jscience.astronomy.solarsystem.coordinates.coordinatesystems | JScience |
| ICRSCoordinateSystem | A class defining the ICRS coordinate system. | Class | org.jscience.astronomy.solarsystem.coordinates.coordinatesystems | JScience |
| JulianCoordinateSystem | The class defining Julian coordinate systems. | Class | org.jscience.astronomy.solarsystem.coordinates.coordinatesystems | JScience |