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updated 1 year 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 almost 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 almost 3 years ago

Convert Julian Date to Greenwich Apparent Sidereal Time by Darin Koblick

Darin Koblick (view profile)

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

JD2GAST(JD)

JD2GMST(JD)

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updated almost 3 years ago

State Vector Warping Routine by Darin Koblick

Darin Koblick (view profile)

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 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 4 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 4 years ago

Julian Date to Greenwich Mean Sidereal Time by Darin Koblick

Darin Koblick (view profile)

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

JD2GMST(JD)

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updated almost 9 years ago

julian2greg by Gabriel Ruiz

Gabriel Ruiz (view profile)

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

julian2greg(JD)

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