二行根数转六根数、六根数转经纬坐标

    public static void main(String[] args) {
        calculateOrbitElement("QIXIANG-001          \n" +
                "1 44940U 20001AC  23289.39944927  .00024096  00000+0  16308-2 0  9995\n" +
                "2 44940  53.0532 295.9515 0001371  97.1775 262.9370 15.06404965208194");
        createXYZ();

    }

    public static  void calculateOrbitElement(String tle){
        File orekitData = new File("C:\\Users\\lihao\\Desktop\\orekit-data-master\\orekit-data-master\\");

        DataProvidersManager manager = DataContext.getDefault().getDataProvidersManager();
        manager.addProvider(new DirectoryCrawler(orekitData)); // 存放orekitdata路径
        String[] params = tle.split("\n");
        String line1= params[1];
        String line2= params[2];
        TLE tleObj = new TLE(line1,line2);
        TLEPropagator tlePropagator= TLEPropagator.selectExtrapolator(tleObj);
        Orbit cartesianOrbit = tlePropagator.getInitialState().getOrbit(); // 笛卡尔轨道
        KeplerianOrbit keplerianOrbit = new KeplerianOrbit(cartesianOrbit);  // 转换为开普勒轨道
        System.out.println("半长轴："+keplerianOrbit.getA());
        System.out.println("离心率:"+keplerianOrbit.getE());
        System.out.println("轨道倾角："+keplerianOrbit.getI());
//        System.out.println("升交点赤经："+Math.toDegrees(keplerianOrbit.getRightAscensionOfAscendingNode())); // 弧度转化为度
//        System.out.println("近地点幅角:"+Math.toDegrees(keplerianOrbit.getPerigeeArgument()));
        System.out.println("升交点赤经："+keplerianOrbit.getRightAscensionOfAscendingNode()); // 弧度转化为度
        System.out.println("近地点幅角:"+keplerianOrbit.getPerigeeArgument());
        System.out.println("真近点角"+keplerianOrbit.getTrueAnomaly());
    }

        <dependency>
            <groupId>org.hipparchus</groupId>
            <artifactId>hipparchus-fitting</artifactId>
            <version>3.0</version>
        </dependency>
        <dependency>
            <groupId>org.hipparchus</groupId>
            <artifactId>hipparchus-clustering</artifactId>
            <version>3.0</version>
        </dependency>
        <dependency>
            <groupId>org.hipparchus</groupId>
            <artifactId>hipparchus-fft</artifactId>
            <version>3.0</version>
        </dependency>
        <dependency>
            <groupId>org.hipparchus</groupId>
            <artifactId>hipparchus-filtering</artifactId>
            <version>3.0</version>
        </dependency>
        <dependency>
            <groupId>org.hipparchus</groupId>
            <artifactId>hipparchus-geometry</artifactId>
            <version>3.0</version>
        </dependency>
        <dependency>
            <groupId>org.hipparchus</groupId>
            <artifactId>hipparchus-ode</artifactId>
            <version>3.0</version>
        </dependency>
        <dependency>
            <groupId>org.hipparchus</groupId>
            <artifactId>hipparchus-optim</artifactId>
            <version>3.0</version>
        </dependency>
        <dependency>
            <groupId>org.hipparchus</groupId>
            <artifactId>hipparchus-stat</artifactId>
            <version>3.0</version>
        </dependency>
        <dependency>
            <groupId>org.hipparchus</groupId>
            <artifactId>hipparchus-migration</artifactId>
            <version>3.0</version>
        </dependency>

        <dependency>
            <groupId>org.orekit</groupId>
            <artifactId>orekit</artifactId>
            <version>11.3.3</version>
        </dependency>

2转6文章地址：
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6转经纬坐标地址：
点击

原文地址：https://blog.csdn.net/csdndd521/article/details/136678872

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