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updated 10 months ago

Orbit determination using the Laplace method by Shiva Iyer

Two-body orbit determination from azimuth/elevation readings using the Laplace method (astrodynamics, orbital mechanics, orbit determination)

GMST(yy, mm, dd, hh, min, ss)

geodetic_to_ECI(lat, lon, alt, yy, mm, dd, hh, min, ss)

horizontal_to_equatorial(azi, ele, lat, lon, yy, mm, dd, ...

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updated 1 year ago

Vectorized Solar Azimuth and Elevation Estimation by Darin Koblick

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

Convert Julian Date to Greenwich Apparent Sidereal Time by Darin Koblick

Find the Greenwich Apparent Sidereal Time Given any Julian Date (gmst, gast, greenwich)

JD2GAST(JD)

JD2GMST(JD)

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updated 2 years ago

State Vector Warping Routine by Darin Koblick

Calculate new ECI vectors corresponding to a desired time while fixing their relative earth position (eci, time, warp)

ECEFtoECI(JD,r_ECEF,v_ECEF,a_ECEF)

ECItoECEF(JD,r_ECI,v_ECI,a_ECI)

FixedECI(JD,r_ECI,v_ECI,a_ECI)

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updated 2 years ago

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

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 4 years ago

Lunar Azimuth and Altitude Estimation Algorithm by Darin Koblick

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 4 years ago

Julian Date to Greenwich Mean Sidereal Time by Darin Koblick

Convert a given Julian Date to Greenwich Mean Sidereal Time (GMST) in degrees. (gmst, gmt, jd)

JD2GMST(JD)

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updated 8 years ago

julian2greg by Gabriel Ruiz

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

julian2greg(JD)

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