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Simplified perturbations models are a set of five mathematical models
(SGP, SGP4, SDP4, SGP8 and SDP8) used to calculate orbital state
vectors of satellites and space debris relative to the Earth-centered
inertial coordinate system. This set of models is often referred to
collectively as SGP4 due to the frequency of use of that model
particularly with two-line element sets produced by NORAD and NASA.

 Name                                    Last modified      Size  
 Parent Directory                                             -   
 README                                  16-Dec-2023 03:01  404   
 sgp4.SlackBuild                         16-Dec-2023 03:01  3.2K  
 sgp4.info                               16-Dec-2023 03:01  383   
 slack-desc                              16-Dec-2023 03:01  785   

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