content: package sgp4;
  
  /**
   * This class implements the elsetrec data type from Vallado's SGP4 code.
   * 
   * From SGP4.h
   * #define SGP4Version  "SGP4 Version 2016-03-09"
   * 
   * @author aholinch
   *
   */
  public class ElsetRec 
  {
  	public int whichconst = SGP4.wgs72;
  	public String satID; // alpha-5
  	public int epochyr;
  	public int epochtynumrev;
  	public int error;
  	public char operationmode;
  	public char init;
  	public char method;	
  	public double a;
  	public double altp;
  	public double alta;
  	public double epochdays;
  	public double jdsatepoch;
  	public double jdsatepochF;
  	public double nddot;
  	public double ndot;
  	public double bstar;
  	public double rcse;
  	public double inclo;
  	public double nodeo;
  	public double ecco;
  	public double argpo;
  	public double mo;
  	public double no_kozai;
  	
  	// sgp4fix add new variables from tle
  	public char classification;
      public String intldesg;
  	public int ephtype;
  	public long elnum;
  	public long revnum;
  	
  	// sgp4fix add unkozai'd variable
  	public double no_unkozai;
  	
  	// sgp4fix add singly averaged variables
  	public double am;
  	public double em;
  	public double im;
  	public double Om;
  	public double om;
  	public double mm;
  	public double nm;
  	public double t;
  	
  	// sgp4fix add constant parameters to eliminate mutliple calls during execution
  	public double tumin;
  	public double mu;
  	public double radiusearthkm;
  	public double xke; 
  	public double j2;
  	public double j3;
  	public double j4;
  	public double j3oj2;
  	
  	//       Additional elements to capture relevant TLE and object information:       
  	public long dia_mm; // RSO dia in mm
  	public double period_sec; // Period in seconds
  	public char active; // "Active S/C" flag (0=n, 1=y) 
  	public char not_orbital; // "Orbiting S/C" flag (0=n, 1=y)  
  	public double rcs_m2; // "RCS (m^2)" storage  
  
      // temporary variables because the original authors call the same method with different variables
      public double ep;
      public double inclp;
      public double nodep;
      public double argpp;
      public double mp;
  
  
      public int isimp;
  	public double aycof;
  	public double con41;
  	public double cc1;
  	public double cc4;
  	public double cc5;
  	public double d2;
  	public double d3;
  	public double d4;
  	public double delmo;
  	public double eta;
  	public double argpdot;
  	public double omgcof;
  	public double sinmao;
  	public double t2cof;
  	public double t3cof;
      public double t4cof;
      public double t5cof;
      public double x1mth2;
      public double x7thm1;
      public double mdot;
      public double nodedot;
      public double xlcof;
      public double xmcof;
  	public double nodecf;
  
  	// deep space
  	public int irez;
  	public double d2201;
  	public double d2211;
  	public double d3210;
  	public double d3222;
  	public double d4410;
  	public double d4422;
  	public double d5220;
  	public double d5232;
  	public double d5421;
  	public double d5433;
  	public double dedt;
  	public double del1;
  	public double del2;
  	public double del3;
  	public double didt;
  	public double dmdt;
  	public double dnodt;
  	public double domdt;
  	public double e3;
  	public double ee2;
  	public double peo;
  	public double pgho;
  	public double pho;
  	public double pinco;
  	public double plo;
  	public double se2;
  	public double se3;
  	public double sgh2;
  	public double sgh3;
  	public double sgh4;
  	public double sh2;
  	public double sh3;
  	public double si2;
  	public double si3;
  	public double sl2;
  	public double sl3;
  	public double sl4;
  	public double gsto;
  	public double xfact;
  	public double xgh2;
  	public double xgh3;
  	public double xgh4;
  	public double xh2;
  	public double xh3;
  	public double xi2;
  	public double xi3;
  	public double xl2;
  	public double xl3;
  	public double xl4;
  	public double xlamo;
  	public double zmol;
  	public double zmos;
  	public double atime;
  	public double xli;
  	public double xni;
  	public double snodm;
  	public double cnodm;
  	public double sinim;
  	public double cosim;
  	public double sinomm;
  	public double cosomm;
  	public double day;
  	public double emsq;
  	public double gam;
  	public double rtemsq; 
      public double s1;
      public double s2;
      public double s3;
      public double s4;
      public double s5;
      public double s6;
      public double s7; 
      public double ss1;
      public double ss2;
      public double ss3;
      public double ss4;
      public double ss5;
      public double ss6;
      public double ss7;
      public double sz1;
      public double sz2;
      public double sz3;
      public double sz11;
      public double sz12;
      public double sz13;
      public double sz21;
      public double sz22;
      public double sz23;
      public double sz31;
      public double sz32;
      public double sz33;
      public double z1;
      public double z2;
      public double z3;
      public double z11;
      public double z12;
      public double z13;
      public double z21;
      public double z22;
      public double z23;
      public double z31;
      public double z32;
      public double z33;
  	public double argpm;
  	public double inclm;
  	public double nodem;
  	public double dndt;
  	public double eccsq;
  		
      // for initl
      public double ainv;
      public double ao;
      public double con42;
      public double cosio;
      public double cosio2;
      public double omeosq;
      public double posq;
      public double rp;
      public double rteosq;
      public double sinio;
  }
  