ECI2ECEF & ECEF2ECI Transformations

Version 2.0.0 (683 KB) von Meysam Mahooti
Transformation from celestial to terrestrial reference system and vice versa
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Computation of transformation from the International Celestial Reference System (or the mean equator and equinox of J2000) to the International Terrestrial Reference System (or the reference pole and Greenwich meridian) and vice versa.
Hint: Obtain Terrestrial Time (TT) and Universal Time 1 (UT1) as well as pole coordinates at the time of interest from the respective IERS bulletins. Employ the IAU 1976 precession theory and the IAU 1980 nutation theory to compute the instantaneous orientation of the Celestial Ephemeris Pole (neglecting any corrections to the nutation angles). In computing the Earth rotation transformation account for the conventional relation between UT1 and GMST as well as the first-order term of the equation of the equinoxes.
References:
Montenbruck O., Gill E.; Satellite Orbits: Models, Methods and Applications; Springer Verlag, Heidelberg; Corrected 3rd Printing (2005).
Vallado D. A; Fundamentals of Astrodynamics and Applications; McGraw-Hill, New York; 4th edition (2013).
https://celestrak.org/SpaceData/EOP-All.txt

Zitieren als

Meysam Mahooti (2024). ECI2ECEF & ECEF2ECI Transformations (https://www.mathworks.com/matlabcentral/fileexchange/61957-eci2ecef-ecef2eci-transformations), MATLAB Central File Exchange. Abgerufen .

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ECI2ECEF & ECEF2ECI

Version Veröffentlicht Versionshinweise
2.0.0

test.m was modified.
1.1.1

The gast.m is modified.
1.1.0.0

Revised on March 12, 2020.
1.0.0.0