Admin : Page créée avec « public class SimpleKeplerianOrbit { public static void main(String[] args) throws PatriusException, IOException, URISyntaxException... »

2019-10-03T12:26:55Z

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<syntaxhighlight lang="java">
public class SimpleKeplerianOrbit {

public static void main(String[] args) throws PatriusException, IOException, URISyntaxException {

// Patrius Dataset initialization (needed for example to get the UTC time)
PatriusDataset.addResourcesFromPatriusDataset() ;

// Recovery of the UTC time scale using a "factory" (not to duplicate such unique object)
final TimeScale TUC = TimeScalesFactory.getUTC();

// Date of the orbit given in UTC time scale)
final AbsoluteDate date = new AbsoluteDate("2010-01-01T12:00:00.000", TUC);

// Getting the frame with wich will defined the orbit parameters
// As for time scale, we will use also a "factory".
final Frame GCRF = FramesFactory.getGCRF();

// Creation of a keplerian orbit
final double sma = 7200.e+3;
final double exc = 0.01;
final double inc = FastMath.toRadians(98.);
final double pa = FastMath.toRadians(0.);
final double raan = FastMath.toRadians(0.);
final double anm = FastMath.toRadians(0.);
final double MU = Constants.WGS84_EARTH_MU;
final KeplerianOrbit iniOrbit = new KeplerianOrbit(sma, exc, inc, pa, raan, anm, PositionAngle.MEAN, GCRF, date, MU);

// Printing the Keplerian period
System.out.println();
System.out.println("Tper = "+iniOrbit.getKeplerianPeriod()+" s");

// Propagating 100 s with a keplerian motion
final double dt = 100.;
final Orbit finalOrbit = iniOrbit.shiftedBy(dt);

// Printing new date and latitude argument
System.out.println();
System.out.println("Initial true latitude argument = "+FastMath.toDegrees(iniOrbit.getLv())+" deg");
System.out.println("New date = "+finalOrbit.getDate().toString(TUC)+" deg");
System.out.println("True latitude argument = "+FastMath.toDegrees(finalOrbit.getLv())+" deg");

}

}
</syntaxhighlight>

CreateKeplerianOrbit 4.4 - Historique des versions

Admin : Page créée avec « public class SimpleKeplerianOrbit { public static void main(String[] args) throws PatriusException, IOException, URISyntaxException... »

Admin : Page créée avec « public class SimpleKeplerianOrbit { public static void main(String[] args) throws PatriusException, IOException, URISyntaxException... »