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# CELESTLAB

**CelestLab** is a *Scilab* toolbox for Space Flight Dynamics. It has been developed for mission analysis purposes.

**CelestLab** can be used for trajectory analysis and orbit design for various types of space missions. It allows engineers to perform tasks such as: orbit propagation, attitude computation, elementary maneuver computation, change of reference frame, change of coordinate systems...

The functions are arranged into several categories:

- Coordinates and frames: Definition of reference frames, time scales, types of coordinate systems...
- Geometry and events: Computation of orbital geometry and orbital events (ground station visibility ...)
- Interplanetary: Interplanetary and 3-body problem
- Math: Mathematical functions
- Models: Models for atmospheric density, Sun and Moon position,...
- Orbit Properties: Orbit properties (Sun synchronicity, repeating ground tracks, frozen orbits, drift of orbital elements ...)
- Relative motion: Relative trajectory analysis using
*Clohessy-Whiltshire*formalism - Trajectory and maneuvers: Orbit propagation and maneuver computation
- Utilities: Miscellaneous and multi-purpose functions

Scilab >= 5.3.0

Windows (32/64 bits), Linux(32/64 bits), MacOS