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Satellite Orbit Computation

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Satellite Orbit Computation

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29 Sep 2010 (Updated )

Modified SGP4 code for GPS interface

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Description

A modified version of the SGP4 code used for standard satellite orbit computation using two-line elements (TLE). The modified code outputs satellite positions and velocity in ECF coordinates and universal time from EPOCH. Utilities are provided to calculate point-to-point angle, range rates, TCS positions, constant altitude intercepts and velocities. Outputs are collected in a structure and retained in a *.mat file for subsequent display and Beacon satellite data analysis applications. Documentation and examples are provided. Code uses GPS_CoordinateXform and IGRF utilities available from MATLAB Central.

MATLAB release MATLAB 7.11 (R2010b)
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Comments and Ratings (2)
04 Jul 2014 Lorenzo Luini

I would like to ask: in the sgp4 code, what are the units of the inputs? Also the code gives an error at line 151 because of the missing satellite number to be provided as input.
Thank you in advance!

07 Aug 2011 Junling Wang  
Updates
30 Sep 2010

Error corrected in function satGEOM. Only affects results that use magnetic field geometry.

18 Oct 2010

Corrected error in satGEOM utility. SGP4 is unaffected.

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