SDT Version 2025.1

Version 2025.1

New Files

The following is a complete list of files which have been added to the Spacecraft Design Toolbox since Version 2023.1.

Navigate by toolbox module:

AerospaceUtils
Orbit
Missions
Propulsion
SC
SpacecraftEstimation
Common, Math, and Electrical

Add-on modules:

LunarMissions
Interplanetary
Spin Axis (SAAD)
Solar Sail

AerospaceUtils Module

Over a dozen new component models were added, including several to support inteplanetary vehicle design. In addition, a new utility computes the solar power area from a stored CAD model.

Missions Module

The Missions module has a new example for a LEO-based space station.

Missions/Demos/SpaceStation/MagneticUnloadingDemo.m
Missions/Demos/SpaceStation/ManufacturingSpaceStationCAD.m
Missions/Demos/SpaceStation/SpaceStationACSSimulation.m
Missions/SpaceStation/RHSSpaceStation.m
Missions/SpaceStation/SpaceStationControl.m
Missions/SpaceStation/SpaceStationDragDisturbance.m

Add-On Modules

Interplanetary Module

The Interplanerary module is new to version 2025. It primarily consists of functions which were previously distributed throughout the toolbox modules. The following files are new:

LunarMissions Module

The LunarMissions module brings together functions which were previously spread throughout the toolbox. The following files are new:

LunarMissions/Demos/LunarLanding/LandingEnergy.m
LunarMissions/Demos/LunarMission/ApolloGuidanceDemo.m
LunarMissions/Demos/LunarMission/LunarInsertionDemo.m
LunarMissions/Demos/LunarOrbit/LunarSphericalHarmonicPlot.m
LunarMissions/Demos/Reentry/EarthReentryAttitudeSim.m
LunarMissions/Reentry/RHSReentryWithAttitude.m
LunarMissions/Reentry/ReentryTorqueDistribution.m

StraightLine Module

The StraightLine module contains functions for analyzing advanced propulsion trajectories, which can be approximated as rectilinear.

StraightLine/ConstantAccel/TOFConstAccel.m
StraightLine/ConstantThrust/OptimalCharacteristicVelocity.m
StraightLine/ConstantThrust/OptimalTripTime.m
StraightLine/ConstantThrust/TOFConstExVel.m
StraightLine/ConstantThrust/TOFConstThrust.m
StraightLine/Flyby/ZeroPayloadFlyby.m
StraightLine/SLPowerLimited/OptimalSLPL.m
StraightLine/SLPowerLimited/SLPLTrajectoryLambda.m
StraightLine/SLPowerLimited/TOFLinearAccel.m

SAAD Module

A demo was added of the SAAD GUI which required updating old codle which depended on global variables, to use data structures instead.

SAAD/Demos/GUI/SAADGUI.m
SAAD/GUI/SAADDataStructure.m

Sail Module

Sail/Analysis/SailL1Lightness.m
Sail/Demos/Optimization/SailPlanarOptDemo.m
Sail/Optimization/SailPlanarOpt.m

Noteworthy changes:

New Files

AerospaceUtils Module

Missions Module

Orbit Module

Propulsion Module

SC Module

SpacecraftEstimation Module

Thermal Module