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updated 1 month ago

Satellite Orbital Perturbations by Nur Farhana Ismail

A simulation on Measat-3A propagation and perturbations (astronomy, orbit, perturbations)

SatelliteStationKeepingSimulator(varargin)

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updated 7 months ago

Cubehelix Colormaps: Beautiful, Distinct, Versatile! by Stephen Cobeldick

The most versatile colormap generator ever! Suitable for grayscale conversion. Maximally distinct. (colormap, color scheme, color)

cubehelix(N,start,rots,sat,gamma,yrange,domain)

cubehelix_find(map,posn,prms)

cubehelix_view(N,start,rots,sat,gamma,yrange,domain)

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updated 7 months ago

Simulation of the light curves of exoplanets via linear limb darkening-with reflection effect by Ebrahim Hassani

Simulation of the light curves of exoplanets via linear limb darkening-with reflection effect (astronomy, physics, simulation)

newlighcurvesimuation2.m

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updated 1 year ago

Mnovas.zip by Arthur Menikoff

Matlab interface to the NOVAS atronometry library (astronomy, novas, positional astronomy)

unloadNOVAS.m

deg2dms( x )

deg2dms_str( x, fmt )

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updated 1 year ago

Predicting Apogee and Perigee of the Moon by David Eagle

David Eagle (view profile)

This MATLAB script uses the MICE geometry finder to predict the time of lunar apogee and perigee. (aerospace, astronomy, astrometry)

gf_apmoon.m

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updated 1 year ago

Doodson tidal wave components by Fran├žois Beauducel

Earth tidal waves harmonic development by Darwin-Doodson (astronomy, earth tides)

doodson.m

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updated 1 year ago

IAU 1976 by Kip Knight

International Astronomical Union 1976 system of constants (iau, astronomy, constants)

IAU1976

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updated 1 year ago

IAU 2012 by Kip Knight

constants defined by International Astronomical Union in 2012 (iau, astronomy, constants)

IAU2012

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updated 1 year ago

SKY MAP (function) by Daniel Okoh

Daniel Okoh (view profile)

A MATLAB function that shows the position and relative brightness of stars in the sky (sky map, star chart, astronomy)

skymap(YYYY,MM,DD,hh,mm,ss,long,lat,UTdiff)

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updated 1 year ago

A MATLAB Script for Predicting Orbital Events of the Moon by David Eagle

David Eagle (view profile)

A MATLAB script named levents.m that can be used to compute important orbital events of the Moon. (aerospace, mathematics, simulation)

apmoon_func(x)

apmoon_prt(jdtdb)

atan3

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updated 1 year ago

SKY MAP (GUI) by Daniel Okoh

Daniel Okoh (view profile)

A MATLAB software that shows the position and relative brightness of stars in the sky (sky map, gui, star)

SkyMap(varargin)

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updated 2 years ago

A MATLAB Script for Predicting Orbital Events of the Planets by David Eagle

David Eagle (view profile)

Predicts interesting orbital events of our solar system planets. (aerospace, astronomy, astrometry)

applanet_func(x)

applanet_prt(jdtdb)

atan3

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updated 2 years ago

3D Visualization of SUN, EARTH and Moon by Ashish Meshram (Meet)

3D Visualization of SUN, EARTH and Moon (mathematics, simulation, physics)

SSEM(show)

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updated 2 years ago

Low-precision Ephemeris by David Eagle

David Eagle (view profile)

MATLAB functions that compute a low-precision ephemeris for the Sun, Moon and planets. (aerospace, mathematics, astronomy)

atan3

earth

gdate

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updated 2 years ago

Vectorized Solar Azimuth and Elevation Estimation by Darin Koblick

Darin Koblick (view profile)

Predict the topocentric solar position defined by geodetic lat, lon, Alt, and a universal time (aerospace, alt, altitude)

SolarAzEl(UTC,Lat,Lon,Alt)

test_SolarAzEl()

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updated 2 years ago

MSIS-E-90 by Drew Compston

NRL MSIS-E-90 atmosphere model. (msis, atmosphere, exosphere)

msis(time, latitude, longitude, altitude, utc, coord,...

msistest.m

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updated 2 years ago

A MATLAB Script for Predicting Transits of Mercury and Venus by David Eagle

David Eagle (view profile)

Local circumstances of solar transits of the planets Mercury and Venus. (mathematics, simulation, astronomy)

aberat

angles

applan1

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updated 2 years ago

Rise and Set of the Sun, Moon and Planets by David Eagle

David Eagle (view profile)

Topocentric rise and set of the Sun, Moon and planets. Source ephemeris is DE421 with NOVAS routines (aerospace, mathematics, astronomy)

aberat

angles

applan1

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updated 2 years ago

A MATLAB Script for Predicting Lunar Occultations by David Eagle

David Eagle (view profile)

Predict the local circumstances of lunar occultations of a planet or star. (aerospace, mathematics, simulation)

aberat

angles

applan1

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updated 2 years ago

A MATLAB Script for Predicting Lunar Eclipses by David Eagle

David Eagle (view profile)

Predicting the local circumstances of lunar eclipses. (mathematics, simulation, astronomy)

aberat

angles

applan1

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updated 2 years ago

A MATLAB Script for Predicting Solar Eclipses by David Eagle

David Eagle (view profile)

Predict local circumstances of solar eclipses. (astronomy, mathematics, simulation)

aberat

angles

applan1

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updated 2 years ago

MATLAB Versions of NOVAS by David Eagle

David Eagle (view profile)

Several NOVAS Fortran subroutines have been ported to MATLAB. (aerospace, mathematics, astronomy)

aberat

angles

anmp

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updated 2 years ago

Apparent Coordinates of the Moon, Sun or a Planet by David Eagle

David Eagle (view profile)

MATLAB script that can be used to compute the apparent coordinates of the Moon, Sun or a planet. (aerospace, mathematics, simulation)

aberat

angles

applan1

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updated 2 years ago

Selenocentric Coordinates and Transformations by David Eagle

David Eagle (view profile)

MATLAB functions for computing selenocentric (moon-centered) coordinates and transformations. (aerospace, mathematics, astronomy)

jplephem

lunarlib(jdate)

matran

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updated 2 years ago

Graphics Display of the Orbital Characteristics of the Moon by David Eagle

David Eagle (view profile)

MATLAB script which graphically displays the orbital characteristics of the Moon. (aerospace, mathematics, simulation)

atan3

cspice_furnsh(file)

cspice_unload(file)

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updated 2 years ago

Positional Astronomy Library in MATLAB (partial SLALIB library) by Nima Razavi-Ghods

Accurate tool to map from equatorial (RA,DEC) to spherical (TH, PH) coordinates (includes rdplan). (astronomy, alt, altitude)

cldj(IY, IM, ID)

dat(UTC)

dcc2s(V)

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updated 2 years ago

A MATLAB Implementation of the IAU 2000B Nutation Theory by David Eagle

David Eagle (view profile)

A MATLAB function and companion script for calculating nutation based on the IAU 2000B theory. (aerospace, mathematics, astrometry)

findleap(jdate)

funarg

gdate

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updated 2 years ago

A MATLAB Implementation of the JPL Ephemeris by David Eagle

David Eagle (view profile)

PDF document and MATLAB scripts and functions that evaluate a JPL binary binary ephemeris file. (aerospace, mathematics, simulation)

cspice_furnsh(file)

cspice_unload(file)

findleap(jdate)

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updated 2 years ago

Orbital Elements of the Moon by David Eagle

David Eagle (view profile)

MATLAB function that calculates the osculating orbital elements of the Moon. (aerospace, mathematics, astronomy)

atan3

elp2000(tjd)

findleap(jdate)

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updated 2 years ago

Apparent Position of a Star by David Eagle

David Eagle (view profile)

PDF document and MATLAB script that computes the apparent position of a star. (aerospace, mathematics, simulation)

aberat

angles

apstar1

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updated 2 years ago

A MATLAB Script for Predicting Equinoxes and Solstices by David Eagle

David Eagle (view profile)

Predict the calendar date & UTC time of the equinoxes and solstices for a user-defined calendar year (mathematics, simulation, astronomy)

atan3

brent

esfunc(x)

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updated almost 3 years ago

EME2000 to/from True-of-Date Transformation by David Eagle

David Eagle (view profile)

This Matlab script converts between true-of-date and EME2000 state vectors using Mice routines. (aerospace, mathematics, simulation)

atan3

cspice_et2utc(et, format, prec )

cspice_furnsh(file)

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updated almost 3 years ago

Ephemeris Calculations with MICE by David Eagle

David Eagle (view profile)

Demonstrates ephemeris calculations using the MATLAB version of the JPL Spice library (MICE). (aerospace, mathematics, simulation)

cspice_deltet( epoch, eptype )

cspice_et2utc(et, format, prec )

cspice_furnsh(file)

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updated almost 3 years ago

Selenocentric Coordinates and Transformations by David Eagle

David Eagle (view profile)

MATLAB scripts and functions for computing useful selenocentric coordinates and transformations. (aerospace, mathematics, astronomy)

jplephem

lunarlib(jdate)

matran

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updated almost 3 years ago

Precision Sun Ephemeris by David Eagle

David Eagle (view profile)

Computes true-of-date, geocentric right ascension, declination and position vector of the Sun. (aerospace, mathematics, simulation)

atan3

deg2dms

gdate

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updated almost 3 years ago

A MATLAB Implementation of the SLP96 Ephemeris by David Eagle

David Eagle (view profile)

MATLAB function and script that demonstrates how to interact with the SLP96 binary ephemeris. (aerospace, mathematics, astronomy)

deg2dms

gdate

getdate

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updated almost 3 years ago

Looking Up by Matt Tearle

Matt Tearle (view profile)

A planisphere for any given location and time. (astronomy, gui, app)

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updated almost 3 years ago

orbits - plot orbits around Earth in an interactive manner. by Michael

Michael (view profile)

This GUI lets you plot orbits around Earth interactively. (earth, orbit, satellite)

orbits - plot orbits around Earth in an interactive manner

orbits(action)

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updated 3 years ago

Astronomy Software for Computing Azimuth, Elevation, Julian Date, GMST, and LMST. by Daniel Okoh

Daniel Okoh (view profile)

The software converts RA and DEC to Azimuth and Elevation, plus lots of other things (astronomy, ra, dec)

AstroTool(varargin)

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updated almost 4 years ago

Equation of Time by Darin Koblick

Darin Koblick (view profile)

Compute the equation of time with accuracy on the order of seconds. (equation of time, astronomy, solar)

EquationOfTime(UTCjd)

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updated 4 years ago

MSPA by Anders Lennartsson

A mex interface function to the C function spa.c developed by NREL for computing solar position. (astronomy, solar energy)

analemma.m

mspa.m

mspa_tester.m

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updated 5 years ago

Lunar Azimuth and Altitude Estimation Algorithm by Darin Koblick

Darin Koblick (view profile)

Predict the Lunar Azimuth and Altitude within +/- .2 deg of any lat and lon for a given UTC (aerospace, astronomy, moon)

LunarAzEl(UTC,Lat,Lon,Alt)

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updated 5 years ago

Disk Harmonic Functions by Carey Smith

Computes Disk Harmonic Functions; uses Bessel functions and derivatives (mathematics, physics, harmonic bessel)

DiskHarmonic.m

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updated almost 6 years ago

Right ascension/declination to azimuth/elevation by Frank Breitling

Mapping from equatorial to horizontal coordinates - i.e. from RA/Dec to az/el (Alt/Az) (aerospace, astronomy, azimuth)

RADec2AzEl(RA,Dec,UTC,Lat,Lon,Alt)

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updated 6 years ago

Moon Position by James Tursa

James Tursa (view profile)

moonpos calculates moon position accurate to 10 arcsec. Based on Astronomical Algorithms, Meeus (aerospace, moon, lunar)

moonpos(varargin)

moonpos_examples.m

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updated 6 years ago

Night On Earth by Sam Roberts

Sam Roberts (view profile)

An animated moon orbiting the earth (gallery, visualisation, graphics)

Earth and Moon from Space

nightonearth

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updated 6 years ago

Building Sundials by Ned Gulley

Ned Gulley (view profile)

Create your own sundial with MATLAB. (whitepaper, article, sundials)

Building Sundials

sunshadow.m

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updated 6 years ago

Conversion between Equatorial and Ecliptic Coordinates by Dmitry Savransky

Convert between the equatorial and ecliptic celestial coordinate systems. (aerospace, mathematics, astronomy)

eclip2equat(lambda,beta)

equat2eclip(alpha,delta)

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updated 6 years ago

sun_position.m by Vincent Roy

Vincent Roy (view profile)

Sun position given observer time/location. (sun position, zenith, elevation)

sun_position.m

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updated 9 years ago

greg2julian by Gabriel Ruiz

Gabriel Ruiz (view profile)

This function converts the Gregorian dates to Julian dates. (clock, fun, julian date gregorian...)

greg2julian.m

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