## SC Module |

BDDesign | Designs a blowdown system. |

BatteryDesign | Size a battery given an orbit and planet. |

BatterySize | BatterySize Battery sizing for a given orbit and array power. |

BloDown | Generates a blowdown curve. |

CMG | Simple CMG model. Assumes a tach loop controls the CMG momentum. |

EffPw | Computes the effective pulsewidth given the rise and fall times. |

Friction | Computes friction torques based on a model with an exponential term. |

FrictionBristle | Friction model. This model uses a bristle state. |

FrictionSmooth | Rotary friction model using differentiable functions. |

HydrazineThruster | Computes the thrust and fuel consumed for thrusters. |

MagAirC | Designs an air coil by minimizing a weighted combination of power and mass. |

MagTComp | Performs a tradeoff of magnetic torquers versus thrusters. |

MomArm | Computes the moment arms for a set of thrusters. |

PWMSeq | Generate a pulsewidth modulated sequence given x. |

PropellantMass | Compute the propellant mass and pressurant mass for a tank. |

RWA | A RWA model using FrictionSmooth. |

RWABristle | A RWA model using FrictionBristle to model the friction. |

RWASizing | Size a reaction wheel using maneuver requirements. |

RWASmart | Smart RWA model. This models an RWA using Hall sensors. |

RWASpec | Calculates RWA parameters from spec sheet parameters. |

RocketEquation | Compute the final mass from the rocket equation. |

SingleAxisDrive | Model a stepping motor drive. |

ThrusterColdGas | Cold gas thruster propulsion system |

URWAPyramid | Generate unit vectors for a RWA pyramid. |

Back To Top

AddMassDot | Add mass and mass derivatives using the mass data structure. |

AngRate | Computes the magnitude of the angular rate of the momentum vector |

ArcEff | Arc efficiency from spin rate and pulsewidth. |

CMGAMatrix | Computes the transfer matrix from gimbal rates to torques. |

DSTCrit | Compute dual spin turn rates |

DSpnStab | Computes the dual spin stability. |

DWheel | Computes the damping coefficient ratio for a damper wheel. |

DblPivot | Computes the unit normal for a double pivoted assembly. |

DeltaQTarget | Generate a target quaternion by limiting the total angular change. |

DeltaRate | Computes the new angular rate when the inertia changes. |

FPB | Integrand for pointing budgets. |

GetModes | Extract flex modes from a finite element modal transformation matrix. |

GimbalC | Generate gimbal commands for a gimbal stationkeeping system. |

IC3X326 | Convert 3x3 inertia matrix to [Ixx Iyy Izz Ixy Ixz Iyz]. |

InertiaTotal | Computes the new inertia and body rate when appendages change discretely. |

LibrationFrequency | Compute the libration frequency from inertia and orbit rate. |

LoadFlex | Reads in flex data from a formatted text file. |

NPSPM | Computes a spin precession maneuver using a rhumb line precession. |

PBudget | Computes a pointing budget over n categories. |

PCentr | Calculates the time from pulse start to the centroid. |

PPDelay | Compute the pulse pair delay for a Spin Precession Maneuver. |

PermanentMagnetRHS | Right-hand-side for attitude dynamics with a permanent magent |

PointingBudgetGUI | Creates pointing budgets using a GUI. |

PointingBudgetLatex | Computes a pointing budget over n categories. |

RLP | Rhumb line precession |

RLPMnvr | Simulate a rhumb line precession. |

RW2SDev | Converts random walk measured over dT to standard deviation. |

RYDyn | Generates open loop four channel magnitude plots for roll/yaw dynamics. |

SkewDipl | Computes the skew angle for a single dipole used to control yaw and roll. |

SumRXF | Sum a set of torques produced by summing T = rxF |

VXPhi | Take the cross product a matrix of vectors times a flex transformation matrix. |

Back To Top

CP2I | Transformation matrix from the perifocal frame to the inertial frame. |

E2M | Converts eccentric anomaly to mean anomaly. |

E2Nu | Computes the true anomaly from the eccentric or hyperbolic anomaly. |

El2RV | Converts orbital elements to r and v for an elliptic orbit. |

FOrbCart | Computes the right-hand-side of the orbit equations about a mass point. |

M2E | Computes the eccentric anomaly |

M2EApp | Approximate root to Kepler's Equation for elliptical and hyperbolic orbits. |

M2EEl | Eccentric anomaly for an ellipse. |

M2EHy | Eccentric anomaly for a hyperbola. |

M2Nu | Computes the true anomaly from the mean anomaly. |

M2NuAbs | Computes the true anomaly from the mean anomaly without wrapping. |

M2NuPb | Generate the true anomaly from the mean anomaly for a parabola. |

Nu2E | Converts true anomaly to eccentric or hyperbolic anomaly. |

Nu2M | Converts true anomaly to mean anomaly. |

Nu2MAbs | Computes the mean anomaly from the true anomaly without wrapping btwn -pi / pi |

OrbRate | Compute the orbital rate from distance and semi-major axis. |

OrbitProp | Propagate an ECI state into the future with point mass orbit. |

Period | Compute the period for an orbit. |

PeriodToSMA | Compute the semi major axis from the period |

RAEToM | Computes m, nu and E from r, a and e. |

RHSOrbit | Right hand side for a simple orbit. |

RV2A | Computes the semimajor axis given position and velocity magnitudes. |

RV2El | Converts Cartesian state to Keplerian orbital elements. |

RVFromKepler | Generate an orbit by propagating Keplerian elements. |

VOrbit | Computes the orbital velocity. |

Back To Top

Dyn | Returns the mass and right hand side of the dynamics equations. |

DynP | Returns the mass and right hand side of the dynamics equations. |

FIC | Sliding mass on a pendulum using independent coordinates |

FICP | Single pendulum using independent coordinates |

FMagSim | Dynamics of spacecraft with one reaction wheel. |

FRWA | Simulate a reaction wheel |

FRWABristle | RWA model |

FRY | Roll/yaw simulation RHS |

FRYSim | Roll/yaw simulation right hand sidd |

FSRHS | Compute smooth friction RHS. |

FTBRef | Right hand side of the two body equations. |

HRY | Measurement equation for a roll/yaw controller. |

HysteresisOutput | Gather output from the hysteresis damping simulation |

KConst | The constraint equations and Jacobians. |

KConstP | The constraint equations and Jacobians. The outputs are |

KConstQ | The constraint equations and Jacobians. |

QMultJPL | Q2 transforms from A to B and Q1 transforms from B to C |

Back To Top

BristleFrictionSim | Demonstrate the bristle friction model with a velocity ramp. |

CMGDemo | Demonstrate the use of CMGs. Shows how to use a pseudo inverse to distribute torques. |

PivotDemo | Simulates a pivot rotation. |

RWABristleSim | Test the reaction wheel model with bristle friction. |

RWADemo | Demonstrate different RWA models. |

RWASim | Simulate a RWA with a PI rate controller. |

RWASmartSim | Test the smart reaction wheel model. |

SmoothFrictionDemo | Demonstrate the use of the smooth friction model |

Back To Top

Attitude3D | Simple sim using a CAD model of the spacecraft to view the attitude. |

CubeSatSurfaceModelforDSim | Generates the surface properties needed by DSim for a simple CubeSat 3U. |

ExamplePointingBudget | Demonstrate a pointing budget using PBudget. |

GimbalControl | Tests a gimbaled thruster stationkeeping control system. |

JitterDemo | Displays different kinds of jitter. |

LVLHRateDemo | Demonstrate LVLH angular rate for an eccentric orbit |

REAControl | Implements a thruster control system. Uses a CAD model of the spacecraft. |

RollYawControl | This script explores different roll/yaw controllers. |

SCTTutorial | Implements a spacecraft control tutorial. |

TPDRes | Study pulse resolution. |

Timeline | Space Shuttle attitude timeline |

Back To Top

Build3UCubeSat | Build a 3U Cubesat using AddCubesatComponent |

BuildAgileSat | Design the Small Agile Satellite. |

BuildCassini | Create the Cassini CAD model from DXF data |

BuildComsat | Build up a model of a geosynchronous communications satellite. |

BuildCylinders | Demonstrate CAD geometry (vectors and rotations) using cylinders. |

BuildDXF | Loads in dxf data for Cassini and Huygens, and saves data to mat-files. |

BuildFlatPlates | Simple model with two thin plates. |

BuildISSCADModel | Create a CAD model of the ISS |

BuildLunarModule | Generates a lunar module model. |

BuildMAP | Build a model of the Microwave Anisotropy Probe. |

BuildNanoSat | Make a detailed demonstration nano-spacecraft with two solar arrays. |

BuildSCModelForImaging | Creates a model for the thermal demo. |

BuildSatWThrusters | A very simple spacecraft with thrusters and one sensor. |

BuildSimpleSat | A very simple spacecraft with one sensor. |

BuildSolarSail | Build a solar sail model using BuildCADModel. |

BuildSubassembly | Load a dxf file and save it as a subassembly. |

BuildTwoArraySC | Make a detailed demonstration spacecraft with two solar arrays. |

BuildXYZSat | A very simple 'XYZ' spacecraft with six panels and axes. |

CADColorDemo | Demonstrate CADColor |

CassiniColorDemo | Demonstrate CADColor using the Cassini orbiter. |

CassiniSim | Draws a picture of the Cassini orbiter, Huygens probe, Saturn, and Titan. |

GravGradCubeSat | Generates a CubeSat model that is gravity gradient stabilized. |

ShuttleSim | Simulate the space shuttle model. |

Back To Top

AccommodationFlatPlate | Surface accommodation drag demo on a flat plate |

CylinderFreeMolecularFlow | Surface accommodation drag on a cylinder |

DisturbanceBatchDemo | Run the disturbance model for a spacecraft with two rotating arrays. |

DisturbanceFlatPlate | Disturbance analysis of two thin plates. |

SCDisturb | Demonstrate disturbance modeling with shadowing. |

SphereFreeMolecularFlow | Surface accommodation drag on a sphere |

Back To Top

ConstDyn | Example 4.2 and 4.3 in the reference. |

NutationAnimation | Demonstrates rigid body rotation. |

NutationSim | Demonstrates nutation and generates an STK attitude file. |

RobotArm | Six body simulation of a spacecraft with a robot arm. |

TTB | Demonstrate two body dynamics using the two body dynamics model. |

TreeCAD | Three body simulation with initialization using the CAD tools. |

TreeSim | Three body simulation. The bodies are connected |

WireSimG | This script demonstrates the deployment of the wire from the spacecraft. |

Back To Top

J70SolarCycle | Demonstrate the J70 atmosphere model over a solar cycle. |

J70SunDemo | Demonstrate the J70 atmosphere model. |

MagneticFieldDemo | Compare the magnetic field models. |

Back To Top

EarthMarsAnimation | Animate the phasing of Earth and Mars over time. |

ExampleLEOAnalysis | Demonstrate simple orbit and attitude ephemeris analysis |

JPLPlanetDemo | Demonstrate JPL ephemeris for the solar system. |

TEarth | Demonstrate earth nutation, precession and rotation. |

TEclipse | Computes eclipses. |

TPlanets | Demonstrate the planets model. |

TerminatorLineDemo | Animate the terminator line through a year |

Back To Top

GOESDemo | Demonstrates the GOES Toolbox functions. |

Back To Top

UseREA.mat | Command list to use thrusters |

UseREAForDV.mat | Command list to use thrusters for velocity change |

UserREAForDV2.mat | Command list to use thrusters for velocity change |

CommandPluginDemo | Demonstrate command lists |

LaunchGUIDemo | Launch the GUI plug in demo. See the GUIPlugIn folder for the function. |

Back To Top

MagControl | Demonstrate the magnetic controllers. |

MagSim | Simulate a momentum bias spacecraft with magnetic roll/yaw control. |

MagneticControlSim | Demonstrates magnetic control. |

MagneticControlSimWithPower | Demonstrates magnetic control and power profiles. |

PermanentMagnetSim | Simulate the attitude of a rigid spacecraft with permanent magnet in LEO |

Back To Top

GyroDemo | Test the gyro model. |

TGyro | Simulate various single degree of freedom gyros. |

Back To Top

SCDisturbanceAnalysis | Run the disturbance model in GEO. Uses TwoArraySC.mat |

SCFuelBudget | Generate the Spacecraft Fuel Budget. |

SCMassBudget | Create a mass budget from a CAD file (SCwRWA.mat). |

Back To Top

AddSurf | Add a surface to the data structure. |

AeroDragForce | Calculate the drag force in the ECI frame assuming constant area. |

AeroF | Compute the aerodynamic forces on a set of elemental areas. |

Disturbances | Compute the total force and torque on a spacecraft generated by the CAD package. |

FAeroSurfaceAccommodation | Computes the aerodynamic force using surface accommodation coefficients. |

FGravityGradientStiffness | Gravity gradient for a rigid body with small offsets from LVLH. |

GravityGradientFromR | Computes a gravity gradient torque from r and mu. |

GravityGradientStiffness | Computes gravity gradient stiffness from inertia and orbit rate. |

OpticalSurfaceProperties | Returns optical surface properties for selected materials. |

SaveSurfacePropertiesDSim | Save surface properties to the file |

SolarF | Compute the solar force on a set of elemental areas. |

TGG | Computes a gravity gradient torque. |

TRD | Computes residual dipole torques. |

TRF | Computes an RF torque for a set of antenna. |

TSolarP | Generates solar pressure torques with shadowing. |

Back To Top

ASim | Attitude simulation of a rigid body. |

DIModel | Double integrator model. |

FAKM | AKM Burn right-hand-side |

FDC | The right hand side of equations formulated using Lagrange multipliers |

FGs | Gyrostat right-hand-side. |

FPivot | Computes the right hand side of the spacecraft with pivot eofm. |

FRB | Rigid body right-hand-side. |

FRBWithMag | Rigid body right-hand-side with magnetic torque computed internally. |

FTB | Two body spacecraft model right-hand-side. |

FXModel | Plant for a momentum bias spacecraft with flexible solar arrays. |

GSModel | Gyrostat dynamics model which computes acceleration or plant matrices. |

GetFlex | Reads in flex data from a formatted text file. |

MBModel | Momentum bias spacecraft model |

PlotFlex | See GetFlex for formatting data into the needed structure. |

RBModel | Computes the angular acceleration of a rigid body. |

RHSRigidBody | Spacecraft attitude and orbit dynamics with a disturbance function. |

RHSRigidBodyWithDamping | Rigid body dynamics with damping. |

SCWithRollPivot | Model for a spacecraft with a roll pivot. |

SCwPivot | Model for a spacecraft with a single pivoted momentum wheel. |

TBModel | Models two rigid bodies attached by a 1 to 3-dof hinge. |

Tree | Right hand side of the equations of motion for a topological tree. |

TreeAdd | Add a body to the tree data structure. |

TreeH | Computes the momentum for the topological tree dynamics. |

TreeInit | Create the tree data structure |

TreePlot | Plot the output of tree. |

TreePrnt | Print out the body information for the tree model. |

VIModel | Computes the angular acceleration of a body with time varying inertia. |

WireC | The right hand side of the wire equations formulated using Lagrange multipliers |

WireDMch | Models the deployment mechanism |

WireFRB | Spacecraft with multiple wires |

WireH | Magnitude of the angular momentum |

WireInit | Initialize the wire model data structures |

WirePlot | Plot the wires. One wire is plotted on each page. |

Back To Top

AtmDensMars2 | Computes the atmospheric density of Mars. |

BDipole | Computes the geocentric magnetic field based on a tilted dipole model. |

BMF | Magnetic field based on the Mead-Fairfield Model. |

EarthAlb | Computes the heat absorbed per unit area due to albedo. |

EarthEnvironment | Compute the environment parameters for the Earth. |

EarthRad | Computes the heat absorbed due to earth radiation. |

Geo | Computes parameters for a geosynchronous orbit. |

GeoEclps | Computes the normalized sun intensity for an earth geosynchronous orbit. |

MagField | Computes the Earth magnetic field using the DGRF/IGRF model. |

MagFieldData | Data for planet magnetic fields. |

MagFieldPlanet | Computes the magnetic field using Schmidt normalized coefficients. |

MagneticDipole | Computes the magnetic field of a dipole along the z axis. |

MagneticDipoleCart | Computes the magnetic field of a dipole along m. |

MolWt2R | Computes R given the molecular weight. |

PlanetEnvironment | Compute the environment parameters for a selected planet. |

PlanetaryAtmDens | Computes the atmospheric density for Earth, Mercury, Venus, Mars and Pluto. |

PlanetaryRadiationAndAlbedo | Computes the albedo and radiation flux for planets. |

ReadMagField | Read in the magnetic field from a file. |

SolarFlux | Solar flux from the sun as a function of distance including sunspots |

SolarFluxPrediction | Computes the solar flux prediction based on Julian date. |

SolarFlx | Solar flux from the sun as a function of distance in AU. |

SunBeta | Compute the sun beta angle from the sun vector and orbit. |

TerrestrialSolarFlux | Solar flux and direction from the sun with seasonal variation. |

TitanAtmosphere | Titan density model. |

VAtm | Atmospheric velocity from position and planetary rate. |

Water | Properties of water. |

Back To Top

CEcl2Eq | Transformation matrix from ecliptic to Earth equatorial planes. |

Callmkspk | Creates an SPK file from two text files. |

DeltaML | Compute total change in longitude between two orbits. |

ECIToECIR | Computes the transformation form ECI to ECIR. |

ECIToPlanet | Computes the matrix from mean of Aries 2000 to planet fixed frame. |

EOfE | Computes the equation of the equinoxes |

EarthNut | The matrix that rotates from the Earth mean axes to the true axes. |

EarthPre | Computes the earth precession matrix |

EarthRot | Computes the Earth greenwich matrix that transforms from ECI to EF. |

EarthRotationZero | Determine jD for when the earth-fixed frame is aligned with the ECI frame. |

EarthRte | Computes the mean earth rate. |

Eclipse | Computes eclipses. |

EclipseDuration | Computes eclipse orbit fraction. |

EclipseHelio | Determines eclipses in heliocentric coordinates. |

EquatorialToGalactic | Returns the equatorial to Galactic transformation matrix. |

FSolstice | RHS for computing solstice. |

GASTime | Compute Greenwich apparent sidereal time. |

GMSTime | Compute Greenwich mean sidereal time from Julian date. |

GTrack | Calculate a ground track on an ellipsoid. |

HMS2S | Converts hours, minutes and seconds into seconds |

InterpolateState | Interpolate a planet's state for a given Julian Date. |

LagrangePointsL1ToL5 | Computes the position of Lagrange points in normalized rotating |

LoadFK5 | Reads in the FK5 catalog in MICA format. |

LoadLunarTopography | Reads in the Clementine data. |

LunarAngle | Computes the angle needed to see over lunar terrain. |

LunarProfile | Draw a lunar profile given lambda and theta. |

MSidDay | Computes a mean sidereal day |

MSolDay | Computes a mean solar day. |

MarsRot | Computes the matrix that transforms from ECI to areographic axes. |

MoonEl | Computes the moon orbital elements with respect to the earth inertial frame. |

MoonRot | Computes the matrix that transforms from ECI to selenographic axes. |

MoonV1 | Generate the moon vector in an earth or spacecraft centered frame. |

MoonV2 | Generate the moon vector in an earth or spacecraft centered frame. |

Moons | Lists moons of a planet or planet center about which a moon orbits. |

NutDelta | The changes in longitude and obliquity due to earth nutation. |

ObOfE | Computes the mean obliquity of the ecliptic of date. |

Parallax | Calculate the parallax |

PlanetPosJPL | Get positions for an array of planets using the JPL ephemeris. |

PlanetPosition | The position vectors, gravitational parameters and velocity for the planets. |

PlanetPositionEMBarycenter | The position vectors, gravitational parameters and velocity for the planets. |

PlanetRotation | Computes the mean planet rotation rates from their rotation periods. |

PlanetYear | Length of year of planets in terms of Earth years. |

PlanetaryDistanceToSun | Finds the distance to the sun and the solar flux. |

Planets | Simplified planet ephemerides from the almanac. |

QSpin | Creates a series of quaternions with its x axis spinning about u. |

QSunNadir | Compute the sun-nadir quaternion and other quantities. |

QSunPointing | Creates a sun reference frame with +x pointing at the sun. |

RMoonECI | Generate the moon position in the earth-centered inertial frame. |

RSHMoon | Generates a topographic map of the moon using spherical harmonics. |

RSunECI | Generate the sun position in the earth-centered inertial frame. |

ReadBSPFile | Read a bsp file. |

S2HMS | Converts seconds into hours, minutes and seconds |

SolarSys | Computes the position vectors of the planets as a function of time. |

SolarSysJPL | Computes the position vectors of the planets as a function of time. |

SolarSystemElements | Computes the solar system elements on a given Julian Date. |

SolarSystemProperties | Look up a moon or planet and return its properties. |

SolarVisibility | Compute the solar intensity experienced by a spacecraft. |

SortFK5 | Sort FK5 by distance in light years and save in a new file |

StarMap | Draws a star map. |

SunNadir | Compute the sun-nadir angles and yaw rate. |

SunV1 | Generate the sun vector in the earth-centered inertial frame. |

SunV2 | Moderate precision sun model. |

SunVectorECI | Finds the sun vector any place in the solar system. |

TerminatorLine | Compute the terminator line on the Earth that defines day/night. |

TransformLagrangePoints | Computes the position and velocity of stable Lagrange points. |

TruEarth | Computes the matrix from mean of Aries 2000 to earth fixed frame. |

UVAA | Apparent sun vector from quantities tabulated in the astronomical almanac. |

WriteBSPFile | Create a bsp file |

Back To Top

G0758910.BIN;1 | Example GOES data. |

SATPOS.TXT;1 | Satellite positions. |

Back To Top

BHarm | Computes a sine/cosine harmonic series for the magnetic field. |

BTrans | Transforms the GOES data into popular earth pointing frames. |

GOESCD | Ordering information for the GOES CD-ROM. |

GOESLeg | Draws the GOES Legend. |

GOESLon | Computes the west longitude of a GOES spacecraft. |

Glitch | Removes glitches from data. |

LoadGOES | Loads GOES binary data. Will edit out magnetometer glitches. |

LoadMag | Loads GOES magnetometer data. This can take a lot of data. |

LoadSatP | Loads in GOES Satellite Positions |

LoadSers | Loads GOES data from multiple files. |

TwoC2F | Converts two's complement of length 2b to a floating point number. |

WeathLeg | Draws the Weather Legends. |

Weather | Loads GOES binary data. Will edit out magnetometer glitches. |

Back To Top

AttitudeProfilePlugIn | Generate attitude profiles. |

CommandPlugIn | Create a command interface for a simulation. |

DrawSCPlugIn | Draw spacecraft in orbit about a planet. Includes a separate controls window. |

ElementsPlugIn | Create an orbit elements GUI plug in. |

GUICounter | This gui displays a counter. |

OrbitDisplayPlugIn | Create an orbit display. |

ParseCommand | Parse a command string |

PlugInDemo | Demonstrate using the GUI plug ins with an orbit simulation. |

SpacecraftStatePlugIn | Create an spacecraft state GUI plug in. |

Back To Top

FloatToWord | Convert floating point to word. |

HMagEl | Computes the magnetic field for a filament or loop magnetic element. |

PivotMch | Models a pivot mechanism and converts stepping motor steps to pivot angle. |

WordToFloat | Convert an integer word to a floating point number. |

Back To Top

BFromHHysteresis | Flux density from the magnetic field due to hysteresis. |

Dipole | Compute the magnetic field of a dipole |

DipoleFromField | Computes the dipole for a solid magnet. |

MagControlThreeAxis | Dipole vector needed to produce a torque given the magnetic field over time. |

MagControlTwoAxis | Two axis magnetic control dipole |

MagTorquer | Models a magnetic torquer. |

MagneticHysteresis | Right hand side for a dynamical model of magnetic hysteresis. |

MagneticTorquer | Simple MagneticTorquer model. Outputs the torque in body coordinates. |

RHSHysteresisDamper | Right hand side for a dynamical model of magnetic hysteresis. |

TorqueHysteresisDamper | Torque from a hysteresis damper. |

TorqueRod | Torque rod model using tanh |

Back To Top

030201AP_SK_SM546_T45.bsp | JPL Ephemerides binary support file |

Apophis.obj | OBJ file of the Apophis asteroid. |

AtmData.txt | Standard atmosphere data field |

AutoCADColors.txt | Generate colors for AUTOCAD. |

BRIGHT.CAT | Bright star catalog. |

CLIPPER.dxf | Pan Am space clipper. |

Clipper.cad | CAD data that goes with CLIPPER |

ComSat.txt | Text file with ComStar CAD data |

Commands.txt | Commands |

ComstarSA.txt | Comstar solar array |

EarthMoonTraj.mat | Saved Earth/Moon trajectory. |

FK5.100 | FK5 catalog. |

HUBBLE.dxf | Hubble space telescope. |

NeptuneMagField.txt | Magnetic field coefficients for Neptune. |

PolylineTest.dxf | Polyline file. |

SolarFluxPredictions.txt | ASCII solar flux data for SolarFluxPredictions.txt |

TFIGHTER.dxf | Tie like fighter. |

USS_LA.dxf | US submarine. |

X1.bsp | BSP file. |

ascp2000.405.zip | Zip file with binary support package |

bin2000.405 | JPL 405 ephemeris data for the planets, 2000 to 2040 |

cassini.dxf | Cassini CAD Model |

gltm2b.topo | Topographic data |

lnxp1600p2200.405 | JPL ephemerides good through 2200 |

orion.obj | . |

probe.dxf | Huygens CAD model. |

sCTConstants.mat | Constant database. |

sts.txt | Shuttle NORAD 2 line elements. |

visual.txt | Visible satellite NORAD 2 line elements |

zvezda1.dxf | Zvezda module. |

ScDB | GUI to output the value of a constant for a spacecraft. |

Back To Top

ScDB | GUI to output the value of a constant for a spacecraft. |

Back To Top

Ariel.mat | Texture map. |

AttitudeProfileExampleData.mat | Example data for attitude profile |

Callisto.mat | Texture map. |

CassiniColor.mat | Cassini model colored. |

Charon.mat | Texture map. |

DefaultSpacecraftDataFile.mat | Saved spacecraft component data. |

Deimos.mat | Texture map. |

Dione.mat | Texture map. |

Earth.mat | Low-res Earth texture map with clouds. |

EarthHR.mat | High resolution Earth texture map. |

EarthMR.mat | Medium res Earth texture map without clouds. |

ElementSet.mat | Orbital element set |

Enceladus.mat | Texture map. |

Europa.mat | Texture map. |

FlexM00.mat | Flex model, array at 0 deg. |

FlexM90.mat | Flex model, array at 90 deg. |

GEMT1.mat | GEM-T1 gravity model. |

Ganymede.mat | Texture map. |

Huygens.mat | Spacecraft CAD model. |

IGRF11.mat | IGRF magnetic field data, 2010. |

IGRF95.mat | IGRF magnetic field data, 1995. |

Iapetus.mat | Texture map. |

Jupiter.mat | Texture map. |

Kp_ap_Ap_SN_F107_since_1932.mat | Solar and magnetic index history |

Mars.mat | Texture map. |

Mercury.mat | Texture map. |

Mimas.mat | Texture map. |

Miranda.mat | Texture map. |

Moon.mat | Texture map. |

Neptune.mat | Texture map. |

Oberon.mat | Texture map. |

Phobos.mat | Texture map. |

Pluto.mat | Texture map. |

Proteus.mat | Texture map. |

RCS.mat | Thruster unit vectors and positions |

RYC.mat | Roll/yaw control data. |

Rhea.mat | Texture map. |

SCHelp.mat | Help file data |

Saturn.mat | Creates the rings of Saturn. |

SolarFluxPredictions.mat | Solar flux data for 2000-2040 |

SolarFluxPredictions2020.mat | Solar flux data for 2000-2020 |

Sun.mat | Texture map. |

TelemetryData.mat | A telemetry page data sete |

Tethys.mat | Texture map. |

Titan.mat | Texture map. |

TitanDensityData.mat | Data for Titan atmosphere density. |

Titania.mat | Texture map. |

Triton.mat | Texture map. |

Umbriel.mat | Texture map. |

Uranus.mat | Texture map. |

Venus.mat | Texture map. |

planet.mat | Planet file |

Back To Top

COMETS_Data.mat | Comets spacecraft CAD data. |

Cassini.mat | Spacecraft CAD components. |

FlatPlate.mat | Flat plate CAD model. |

FlatPlates.mat | Two flat plates CAD model. |

ISS.mat | International Space Station CAD model. |

ISS2.obj | International Space Station Wavefront obj file. |

NanoSatModel.mat | Nanosat CAD model. |

SCForImaging.mat | Stored CAD model for thermal imaging demos. |

SCwRWA.mat | CAD model with reaction wheels. |

SatWThrusters.mat | Model for a simple satellite with thrusters. |

ShuttleModel.mat | Shuttle CAD model with rotating doors and arm. |

SimpleSat.mat | Satellite CAD model of a simple cube. |

TwoArraySC.mat | Spacecraft with two rotating arrays for system studies. |

XYZSat.mat | Simple spacecraft with axes. |

Back To Top

AI2Rate | Converts attitude increments to rate. |

CW2Roll | Converts the output from a conical scanning sensor to roll. |

Counter | Simulate a counter. |

ESA | Simulates an ideal earth sensor measuring roll and pitch. |

ESACS | Models a conical scanning earth sensor. |

ESAChord | Compute the delta earth chord for a scanning earth sensor. |

EnergyPerRing | Energy per ring for a diffraction limited circular aperture |

FP2RADec | Converts focal plane coordinates into right ascension/declination of the targets. |

FPSensors | Computes the output of focal plane sensors. |

FSDG | Gyro right-hand-side. |

Gyro | Models a gyro. |

GyroData | Typical gyro noise data. |

HRG | Model a hemispherical resonating gyro. Includes all noise sources |

HSAData | Computes the hsa (horizon) sensor data for a spinning spacecraft. |

HSAPlot | Plots the HSA sensor data. |

LightDetectorIntegrals | Normalized stellar-light detector integral given a star type and detector |

MeasAccel | Models accelerometers. This model includes quantization, noise and a bias. |

MeasEarthSensor | Returns roll and pitch for a generic earth sensor. |

MeasMagnetometerEarth | Returns magnetic field measurement in Earth orbit. |

MeasRateGyro | Returns body rate information. |

MeasRateIntegratingGyro | Model of a rate integrating gyro measurement. |

MeasRelativePosition | Returns relative position information. |

MeasStarTracker | Returns the output of a star tracker. |

MeasState | Returns elements of a state vector as a measurement. |

MeasSunSensorAnalog | Returns analog sun sensor measurements. |

MeasSunSensorDigital | Returns digital sun sensor measurements. |

Nadir | Computes nadir angle from a cant angle, earth angle and chordwidth |

Optic2D | Models a generic 2 dimensional optical sensor. |

PointSpreadFunction | Point spread function for a circular aperture |

QProp | Propagates a quaternion based on updated angular increment measurements. |

RADec2FP | Converts right ascension and declination into focal plane coordinates. |

RIGModel | Computes the output of a rate integrating gyro package. |

RIGOut | RIG output. |

RWACountToRate | Converts RWA tachometer count to rate. |

RateGyro | Model a rate gyro. Includes all noise sources |

SCClock | Models a spacecraft clock. |

SDG | Single degree of freedom mechanical gyros. |

SSA | Simulates a single axis suns sensor |

SSEye | Power series model for the output of an analog sun sensor. |

U2FP | Computes the location in the focal plane of unit vectors. |

U2Pix | Converts a unit vector into a pixel location. |

Back To Top

PowerDesign | Sizes the battery and solar array |

SatelliteSubsystemMass | Create masses for a satellite. |

StructureAnalysis | Analyze the structure of a small agile satellite. |

Back To Top

HelioPlot | Plot planets and a trajectory in the heliocentric frame. |

LoadEarthMap | Creates a figure with Earth texturemap, political boundaries, and lat/lon. |

PlotPlanet | Add planet to the current axes. |

PlotPlanetOrbit | Plot a 3D orbit around a planet in the ECI or planet fixed frame. |

PltOrbit | Plots one orbit and the sun vector looking down on the ECI Plane. |

Back To Top

Back to API main page