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updated 24 days ago

Predicting Apogee and Perigee of the Moon by David Eagle

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 6 months ago

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

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 (a, b)

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updated 12 months ago

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

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

applanet_func(x)

applanet_prt(jdtdb)

atan3 (a, b)

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updated 1 year ago

Low-precision Ephemeris by David Eagle

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

atan3 (a, b)

earth (jdate)

gdate (jdate)

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updated 1 year ago

MATLAB Versions of NOVAS by David Eagle

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

aberat (pos1, ve, tlight)

angles (pos)

anmp (a)

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updated 1 year ago

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

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

aberat (pos1, ve, tlight)

angles (pos)

applan1 (tjd, ujd, l, n, topo, glon, glat, ht)

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updated 1 year ago

A MATLAB Script for Terrestrial and Celestial Coordinate Conversion by David Eagle

MATLAB functions and script for performing terrestrial to/from celestial coordinate transformations. (aerospace, mathematics, astrometry)

anmp (a)

celpol (tjd, itype, dpole1, dpole2)

celter (tjdh, tjdl, xp, yp, vec1)

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updated 1 year ago

A MATLAB Script for Calculating Greenwich Sidereal Time with NOVAS by David Eagle

MATLAB script named demo_sidtim.m and support functions for computing Greenwich sidereal time. (aerospace, mathematics, astrometry)

anmp (a)

ciobas (tjd, racio, k)

cioloc (tjd)

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updated 1 year ago

True-of-Date and EME2000 Coordinate Conversion (NOVAS Version) by David Eagle

MATLAB Script for Converting Between True-of-Date and EME2000 Cartesian Coordinates (NOVAS Version) (aerospace, mathematics, astrometry)

atan3 (a, b)

eci2orb1 (mu, r, v)

eme2tod (tjd1, tjd2, pos1)

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updated 1 year ago

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

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

findleap(jdate)

funarg (t)

gdate (jdate)

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updated 1 year ago

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

MATLAB function and companion script for computing nutation using the IAU 2000A algorithm. (aerospace, mathematics, astrometry)

findleap(jdate)

funarg (t)

gdate (jdate)

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updated 1 year ago

A MATLAB Implementation of the IAU 1980 Nutation Theory by David Eagle

MATLAB script and function for computing nutation according to IAU 1980 theory. (aerospace, mathematics, astrometry)

findleap(jdate)

funarg (t)

gdate (jdate)

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updated 1 year ago

A MATLAB Implementation of the JPL Ephemeris by David Eagle

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 1 year ago

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

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

atan3 (a, b)

cspice_et2utc(et, format, prec )

cspice_furnsh(file)

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updated 1 year ago

Ephemeris Calculations with MICE by David Eagle

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 1 year ago

Precision Sun Ephemeris by David Eagle

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

atan3 (a, b)

deg2dms (dd)

gdate (jdate)

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updated 1 year ago

A MATLAB Implementation of the SLP96 Ephemeris by David Eagle

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

deg2dms (dd)

gdate (jdate)

getdate

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