Package org.orekit.utils

Interface Constants

  • public interface Constants
    Set of useful physical constants.
    Author:
    Luc Maisonobe

    • Field Detail

      • SPEED_OF_LIGHT

        static final double SPEED_OF_LIGHT
        Speed of light: 299792458.0 m/s.
        See Also:
        Constant Field Values

      • IAU_2012_ASTRONOMICAL_UNIT

        static final double IAU_2012_ASTRONOMICAL_UNIT
        Astronomical unit as a conventional unit of length since IAU 2012 resolution B2: 149597870700.0 m.
        See Also:
        IAU 2012 resolutions, Constant Field Values

      • IAU_2015_NOMINAL_SUN_GM

        static final double IAU_2015_NOMINAL_SUN_GM
        Sun attraction coefficient as defined by IAU 2015 resolution B3: 1.3271244e20 (m³/s²).
        See Also:
        Constant Field Values

      • IAU_2015_NOMINAL_EARTH_EQUATORIAL_RADIUS

        static final double IAU_2015_NOMINAL_EARTH_EQUATORIAL_RADIUS
        Earth equatorial radius as defined by IAU 2015 resolution B3: 6.3781e6 (m).
        See Also:
        Constant Field Values

      • IAU_2015_NOMINAL_EARTH_POLAR_RADIUS

        static final double IAU_2015_NOMINAL_EARTH_POLAR_RADIUS
        Earth polar radius as defined by IAU 2015 resolution B3: 6.3568e6 (m).
        See Also:
        Constant Field Values

      • IAU_2015_NOMINAL_EARTH_GM

        static final double IAU_2015_NOMINAL_EARTH_GM
        Earth attraction coefficient as defined by IAU 2015 resolution B3: 3.986004e14 (m³/s²).
        See Also:
        Constant Field Values

      • IAU_2015_NOMINAL_JUPITER_EQUATORIAL_RADIUS

        static final double IAU_2015_NOMINAL_JUPITER_EQUATORIAL_RADIUS
        Jupiter equatorial radius as defined by IAU 2015 resolution B3: 7.1492e7 (m).
        See Also:
        Constant Field Values

      • IAU_2015_NOMINAL_JUPITER_POLAR_RADIUS

        static final double IAU_2015_NOMINAL_JUPITER_POLAR_RADIUS
        Jupiter polar radius as defined by IAU 2015 resolution B3: 6.6854e7 (m).
        See Also:
        Constant Field Values

      • IAU_2015_NOMINAL_JUPITER_GM

        static final double IAU_2015_NOMINAL_JUPITER_GM
        Jupiter attraction coefficient as defined by IAU 2015 resolution B3: 1.2668653e17 (m³/s²).
        See Also:
        Constant Field Values

      • JULIAN_DAY

        static final double JULIAN_DAY
        Duration of a mean solar day: 86400.0 s.
        See Also:
        Constant Field Values

      • ARC_SECONDS_TO_RADIANS

        static final double ARC_SECONDS_TO_RADIANS
        Conversion factor from arc seconds to radians: 2*PI/(360*60*60).
        See Also:
        Constant Field Values

      • G0_STANDARD_GRAVITY

        static final double G0_STANDARD_GRAVITY
        Standard gravity constant, used in maneuvers definition: 9.80665 m/s².
        See Also:
        Constant Field Values

      • MOON_EQUATORIAL_RADIUS

        static final double MOON_EQUATORIAL_RADIUS
        Moon equatorial radius: 1737400 m.
        See Also:
        Constant Field Values

      • WGS84_EARTH_EQUATORIAL_RADIUS

        static final double WGS84_EARTH_EQUATORIAL_RADIUS
        Earth equatorial radius from WGS84 model: 6378137.0 m.
        See Also:
        Constant Field Values

      • WGS84_EARTH_FLATTENING

        static final double WGS84_EARTH_FLATTENING
        Earth flattening from WGS84 model: 1.0 / 298.257223563.
        See Also:
        Constant Field Values

      • WGS84_EARTH_ANGULAR_VELOCITY

        static final double WGS84_EARTH_ANGULAR_VELOCITY
        Earth angular velocity from WGS84 model: 7.292115e-5 rad/s.
        See Also:
        Constant Field Values

      • WGS84_EARTH_MU

        static final double WGS84_EARTH_MU
        Earth gravitational constant from WGS84 model: 3.986004418e14 m³/s².
        See Also:
        Constant Field Values

      • WGS84_EARTH_C20

        static final double WGS84_EARTH_C20
        Earth un-normalized second zonal coefficient from WGS84 model: .
        See Also:
        Constant Field Values

      • GRS80_EARTH_EQUATORIAL_RADIUS

        static final double GRS80_EARTH_EQUATORIAL_RADIUS
        Earth equatorial radius from GRS80 model: 6378137.0 m.
        See Also:
        Constant Field Values

      • GRS80_EARTH_FLATTENING

        static final double GRS80_EARTH_FLATTENING
        Earth flattening from GRS80 model: 1.0 / 298.257222101.
        See Also:
        Constant Field Values

      • GRS80_EARTH_ANGULAR_VELOCITY

        static final double GRS80_EARTH_ANGULAR_VELOCITY
        Earth angular velocity from GRS80 model: 7.292115e-5 rad/s.
        See Also:
        Constant Field Values

      • GRS80_EARTH_MU

        static final double GRS80_EARTH_MU
        Earth gravitational constant from GRS80 model: 3.986005e14 m³/s².
        See Also:
        Constant Field Values

      • GRS80_EARTH_C20

        static final double GRS80_EARTH_C20
        Earth un-normalized second zonal coefficient from GRS80 model: -1.08263e-3.
        See Also:
        Constant Field Values

      • EGM96_EARTH_EQUATORIAL_RADIUS

        static final double EGM96_EARTH_EQUATORIAL_RADIUS
        Earth equatorial radius from EGM96 model: 6378136.3 m.
        See Also:
        Constant Field Values

      • EGM96_EARTH_MU

        static final double EGM96_EARTH_MU
        Earth gravitational constant from EGM96 model: 3.986004415e14 m³/s².
        See Also:
        Constant Field Values

      • EGM96_EARTH_C20

        static final double EGM96_EARTH_C20
        Earth un-normalized second zonal coefficient from EGM96 model: -1.08262668355315e-3.
        See Also:
        Constant Field Values

      • EGM96_EARTH_C30

        static final double EGM96_EARTH_C30
        Earth un-normalized third zonal coefficient from EGM96 model: 2.53265648533224e-6.
        See Also:
        Constant Field Values

      • EGM96_EARTH_C40

        static final double EGM96_EARTH_C40
        Earth un-normalized fourth zonal coefficient from EGM96 model: 1.619621591367e-6.
        See Also:
        Constant Field Values

      • EGM96_EARTH_C50

        static final double EGM96_EARTH_C50
        Earth un-normalized fifth zonal coefficient from EGM96 model: 2.27296082868698e-7.
        See Also:
        Constant Field Values

      • EGM96_EARTH_C60

        static final double EGM96_EARTH_C60
        Earth un-normalized sixth zonal coefficient from EGM96 model: -5.40681239107085e-7.
        See Also:
        Constant Field Values

      • GRIM5C1_EARTH_EQUATORIAL_RADIUS

        static final double GRIM5C1_EARTH_EQUATORIAL_RADIUS
        Earth equatorial radius from GRIM5C1 model: 6378136.46 m.
        See Also:
        Constant Field Values

      • GRIM5C1_EARTH_FLATTENING

        static final double GRIM5C1_EARTH_FLATTENING
        Earth flattening from GRIM5C1 model: 1.0 / 298.25765.
        See Also:
        Constant Field Values

      • GRIM5C1_EARTH_ANGULAR_VELOCITY

        static final double GRIM5C1_EARTH_ANGULAR_VELOCITY
        Earth angular velocity from GRIM5C1 model: 7.292115e-5 rad/s.
        See Also:
        Constant Field Values

      • GRIM5C1_EARTH_MU

        static final double GRIM5C1_EARTH_MU
        Earth gravitational constant from GRIM5C1 model: 3.986004415e14 m³/s².
        See Also:
        Constant Field Values

      • GRIM5C1_EARTH_C20

        static final double GRIM5C1_EARTH_C20
        Earth un-normalized second zonal coefficient from GRIM5C1 model: -1.082626110612609e-3.
        See Also:
        Constant Field Values

      • GRIM5C1_EARTH_C30

        static final double GRIM5C1_EARTH_C30
        Earth un-normalized third zonal coefficient from GRIM5C1 model: 2.536150841690056e-6.
        See Also:
        Constant Field Values

      • GRIM5C1_EARTH_C40

        static final double GRIM5C1_EARTH_C40
        Earth un-normalized fourth zonal coefficient from GRIM5C1 model: 1.61936352497151e-6.
        See Also:
        Constant Field Values

      • GRIM5C1_EARTH_C50

        static final double GRIM5C1_EARTH_C50
        Earth un-normalized fifth zonal coefficient from GRIM5C1 model: 2.231013736607540e-7.
        See Also:
        Constant Field Values

      • GRIM5C1_EARTH_C60

        static final double GRIM5C1_EARTH_C60
        Earth un-normalized sixth zonal coefficient from GRIM5C1 model: -5.402895357302363e-7.
        See Also:
        Constant Field Values

      • EIGEN5C_EARTH_EQUATORIAL_RADIUS

        static final double EIGEN5C_EARTH_EQUATORIAL_RADIUS
        Earth equatorial radius from EIGEN5C model: 6378136.46 m.
        See Also:
        Constant Field Values

      • EIGEN5C_EARTH_MU

        static final double EIGEN5C_EARTH_MU
        Earth gravitational constant from EIGEN5C model: 3.986004415e14 m³/s².
        See Also:
        Constant Field Values

      • EIGEN5C_EARTH_C20

        static final double EIGEN5C_EARTH_C20
        Earth un-normalized second zonal coefficient from EIGEN5C model: -1.082626457231767e-3.
        See Also:
        Constant Field Values

      • EIGEN5C_EARTH_C30

        static final double EIGEN5C_EARTH_C30
        Earth un-normalized third zonal coefficient from EIGEN5C model: 2.532547231862799e-6.
        See Also:
        Constant Field Values

      • EIGEN5C_EARTH_C40

        static final double EIGEN5C_EARTH_C40
        Earth un-normalized fourth zonal coefficient from EIGEN5C model: 1.619964434136e-6.
        See Also:
        Constant Field Values

      • EIGEN5C_EARTH_C50

        static final double EIGEN5C_EARTH_C50
        Earth un-normalized fifth zonal coefficient from EIGEN5C model: 2.277928487005437e-7.
        See Also:
        Constant Field Values

      • EIGEN5C_EARTH_C60

        static final double EIGEN5C_EARTH_C60
        Earth un-normalized sixth zonal coefficient from EIGEN5C model: -5.406653715879098e-7.
        See Also:
        Constant Field Values

      • JPL_SSD_GAUSSIAN_GRAVITATIONAL_CONSTANT

        static final double JPL_SSD_GAUSSIAN_GRAVITATIONAL_CONSTANT
        Gaussian gravitational constant: 0.01720209895 √(AU³/d²).
        See Also:
        Constant Field Values

      • JPL_SSD_ASTRONOMICAL_UNIT

        static final double JPL_SSD_ASTRONOMICAL_UNIT
        Astronomical Unit: 149597870691 m.
        See Also:
        Constant Field Values

      • JPL_SSD_SUN_GM

        static final double JPL_SSD_SUN_GM
        Sun attraction coefficient (m³/s²).
        See Also:
        Constant Field Values

      • JPL_SSD_SUN_MERCURY_MASS_RATIO

        static final double JPL_SSD_SUN_MERCURY_MASS_RATIO
        Sun/Mercury mass ratio: 6023600.
        See Also:
        Constant Field Values

      • JPL_SSD_MERCURY_GM

        static final double JPL_SSD_MERCURY_GM
        Sun/Mercury attraction coefficient (m³/s²).
        See Also:
        Constant Field Values

      • JPL_SSD_SUN_VENUS_MASS_RATIO

        static final double JPL_SSD_SUN_VENUS_MASS_RATIO
        Sun/Venus mass ratio: 408523.71.
        See Also:
        Constant Field Values

      • JPL_SSD_VENUS_GM

        static final double JPL_SSD_VENUS_GM
        Sun/Venus attraction coefficient (m³/s²).
        See Also:
        Constant Field Values

      • JPL_SSD_SUN_EARTH_PLUS_MOON_MASS_RATIO

        static final double JPL_SSD_SUN_EARTH_PLUS_MOON_MASS_RATIO
        Sun/(Earth + Moon) mass ratio: 328900.56.
        See Also:
        Constant Field Values

      • JPL_SSD_EARTH_PLUS_MOON_GM

        static final double JPL_SSD_EARTH_PLUS_MOON_GM
        Sun/(Earth + Moon) attraction coefficient (m³/s²).
        See Also:
        Constant Field Values

      • JPL_SSD_EARTH_MOON_MASS_RATIO

        static final double JPL_SSD_EARTH_MOON_MASS_RATIO
        Earth/Moon mass ratio: 81.30059.
        See Also:
        Constant Field Values

      • JPL_SSD_MOON_GM

        static final double JPL_SSD_MOON_GM
        Moon attraction coefficient (m³/s²).
        See Also:
        Constant Field Values

      • JPL_SSD_EARTH_GM

        static final double JPL_SSD_EARTH_GM
        Earth attraction coefficient (m³/s²).
        See Also:
        Constant Field Values

      • JPL_SSD_SUN_MARS_SYSTEM_MASS_RATIO

        static final double JPL_SSD_SUN_MARS_SYSTEM_MASS_RATIO
        Sun/(Mars system) mass ratio: 3098708.0.
        See Also:
        Constant Field Values

      • JPL_SSD_MARS_SYSTEM_GM

        static final double JPL_SSD_MARS_SYSTEM_GM
        Sun/(Mars system) attraction coefficient (m³/s²).
        See Also:
        Constant Field Values

      • JPL_SSD_SUN_JUPITER_SYSTEM_MASS_RATIO

        static final double JPL_SSD_SUN_JUPITER_SYSTEM_MASS_RATIO
        Sun/(Jupiter system) mass ratio: 1047.3486.
        See Also:
        Constant Field Values

      • JPL_SSD_JUPITER_SYSTEM_GM

        static final double JPL_SSD_JUPITER_SYSTEM_GM
        Sun/(Jupiter system) ttraction coefficient (m³/s²).
        See Also:
        Constant Field Values

      • JPL_SSD_SUN_SATURN_SYSTEM_MASS_RATIO

        static final double JPL_SSD_SUN_SATURN_SYSTEM_MASS_RATIO
        Sun/(Saturn system) mass ratio: 3497.898.
        See Also:
        Constant Field Values

      • JPL_SSD_SATURN_SYSTEM_GM

        static final double JPL_SSD_SATURN_SYSTEM_GM
        Sun/(Saturn system) attraction coefficient (m³/s²).
        See Also:
        Constant Field Values

      • JPL_SSD_SUN_URANUS_SYSTEM_MASS_RATIO

        static final double JPL_SSD_SUN_URANUS_SYSTEM_MASS_RATIO
        Sun/(Uranus system) mass ratio: 22902.98.
        See Also:
        Constant Field Values

      • JPL_SSD_URANUS_SYSTEM_GM

        static final double JPL_SSD_URANUS_SYSTEM_GM
        Sun/(Uranus system) attraction coefficient (m³/s²).
        See Also:
        Constant Field Values

      • JPL_SSD_SUN_NEPTUNE_SYSTEM_MASS_RATIO

        static final double JPL_SSD_SUN_NEPTUNE_SYSTEM_MASS_RATIO
        Sun/(Neptune system) mass ratio: 19412.24.
        See Also:
        Constant Field Values

      • JPL_SSD_NEPTUNE_SYSTEM_GM

        static final double JPL_SSD_NEPTUNE_SYSTEM_GM
        Sun/(Neptune system) attraction coefficient (m³/s²).
        See Also:
        Constant Field Values

      • JPL_SSD_SUN_PLUTO_SYSTEM_MASS_RATIO

        static final double JPL_SSD_SUN_PLUTO_SYSTEM_MASS_RATIO
        Sun/(Pluto system) mass ratio: 1.35e8.
        See Also:
        Constant Field Values

      • JPL_SSD_PLUTO_SYSTEM_GM

        static final double JPL_SSD_PLUTO_SYSTEM_GM
        Sun/(Pluto system) ttraction coefficient (m³/s²).
        See Also:
        Constant Field Values