.. _program_listing_file_states_tle.h:

Program Listing for File tle.h
==============================

|exhale_lsh| :ref:`Return to documentation for file <file_states_tle.h>` (``states/tle.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #pragma once
   
   #include <string>
   #include <vector>
   
   #include "lupnt/core/definitions.h"
   
   namespace lupnt {
     class TLE {
     public:
       std::string name;
       double epoch_year;    // [yr] Last two digits of year
       double epoch_day;     // [day] Day of the year and fractional portion of the day
       double epoch_tai;     // [s TAI]
       double bstar;         // [1/R_EARTH] B*, the drag term, or radiation pressure coefficient
       double inclination;   // [deg] Inclination
       double raan;          // [deg] Right ascension of the ascending node
       double eccentricity;  // [-] Eccentricity
       double arg_perigee;   // [deg] Argument of perigee
       double mean_anomaly;  // [deg] Mean anomaly
       double mean_motion;   // [revs/day] Mean motion
       int prn;              // PRN number
       static TLE FromLines(const std::string& line1, const std::string& line2,
                            const std::string& line3);
       static std::vector<TLE> FromFile(const std::string_view filename);
     };
   
     class Agent;
     std::vector<Ptr<Agent>> LoadTleFile(const std::string& filename);
     int GetPrn(const std::string& name);
   }  // namespace lupnt