Package org.orekit.utils

Interface Constants

public interface Constants
Set of useful physical constants.
Author:
Luc Maisonobe, Guylaine Prat

  • Field Details

    • SPEED_OF_LIGHT

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

    • 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_2015_NOMINAL_SOLAR_RADIUS

      static final double IAU_2015_NOMINAL_SOLAR_RADIUS
      Solar radius as defined by IAU 2015 resolution B3: 695700000.0 m.
      See Also:

    • 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:

    • 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:

    • 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:

    • 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:

    • 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:

    • 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:

    • 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:

    • IAU_2015_NOMINAL_MERCURY_EQUATORIAL_RADIUS

      static final double IAU_2015_NOMINAL_MERCURY_EQUATORIAL_RADIUS
      Mercury equatorial radius as defined by IAU WGCCRE 2015: 2.44053e6 (m).
      See Also:

    • IAU_2015_NOMINAL_MERCURY_POLAR_RADIUS

      static final double IAU_2015_NOMINAL_MERCURY_POLAR_RADIUS
      Mercury polar radius as defined by IAU WGCCRE 2015: 2.43826e6 (m).
      See Also:

    • IAU_2015_NOMINAL_VENUS_EQUATORIAL_RADIUS

      static final double IAU_2015_NOMINAL_VENUS_EQUATORIAL_RADIUS
      Venus equatorial radius as defined by IAU WGCCRE 2015: 6.0518e6 (m).
      See Also:

    • IAU_2015_NOMINAL_VENUS_POLAR_RADIUS

      static final double IAU_2015_NOMINAL_VENUS_POLAR_RADIUS
      Venus polar radius as defined by IAU WGCCRE 2015: 6.0518e6 (m) (sphere).
      See Also:

    • IAU_2015_NOMINAL_MARS_EQUATORIAL_RADIUS

      static final double IAU_2015_NOMINAL_MARS_EQUATORIAL_RADIUS
      Mars equatorial radius as defined by IAU WGCCRE 2015: 3.39619e6 (m).
      See Also:

    • IAU_2015_NOMINAL_MARS_POLAR_RADIUS

      static final double IAU_2015_NOMINAL_MARS_POLAR_RADIUS
      Mars polar radius as defined by IAU WGCCRE 2015: 3.37620e6 (m).
      See Also:

    • IAU_2015_NOMINAL_SATURN_EQUATORIAL_RADIUS

      static final double IAU_2015_NOMINAL_SATURN_EQUATORIAL_RADIUS
      Saturn equatorial radius as defined by IAU WGCCRE 2015: 6.0268e7 (m).
      See Also:

    • IAU_2015_NOMINAL_SATURN_POLAR_RADIUS

      static final double IAU_2015_NOMINAL_SATURN_POLAR_RADIUS
      Saturn polar radius as defined by IAU WGCCRE 2015: 5.4364e7 (m).
      See Also:

    • IAU_2015_NOMINAL_URANUS_EQUATORIAL_RADIUS

      static final double IAU_2015_NOMINAL_URANUS_EQUATORIAL_RADIUS
      Uranus equatorial radius as defined by IAU WGCCRE 2015: 2.5559e7 (m).
      See Also:

    • IAU_2015_NOMINAL_URANUS_POLAR_RADIUS

      static final double IAU_2015_NOMINAL_URANUS_POLAR_RADIUS
      Uranus polar radius as defined by IAU WGCCRE 2015: 2.4973e7 (m).
      See Also:

    • IAU_2015_NOMINAL_NEPTUNE_EQUATORIAL_RADIUS

      static final double IAU_2015_NOMINAL_NEPTUNE_EQUATORIAL_RADIUS
      Neptune equatorial radius as defined by IAU WGCCRE 2015: 2.4764e7 (m).
      See Also:

    • IAU_2015_NOMINAL_NEPTUNE_POLAR_RADIUS

      static final double IAU_2015_NOMINAL_NEPTUNE_POLAR_RADIUS
      Neptune polar radius as defined by IAU WGCCRE 2015: 2.4341e7 (m).
      See Also:

    • JULIAN_DAY

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

    • JULIAN_YEAR

      static final double JULIAN_YEAR
      Duration of a Julian year: 365.25 JULIAN_DAY.
      See Also:

    • JULIAN_CENTURY

      static final double JULIAN_CENTURY
      Duration of a Julian century: 36525 JULIAN_DAY.
      See Also:

    • BESSELIAN_YEAR

      static final double BESSELIAN_YEAR
      Duration of a Besselian year: 365.242198781 JULIAN_DAY.
      See Also:

    • 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:

    • G0_STANDARD_GRAVITY

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

    • SUN_RADIUS

      static final double SUN_RADIUS
      Sun radius: 695700000 m (source: resolution B3 from IAU 2015).
      See Also:

    • MOON_EQUATORIAL_RADIUS

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

    • WGS84_EARTH_EQUATORIAL_RADIUS

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

    • WGS84_EARTH_FLATTENING

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

    • WGS84_EARTH_ANGULAR_VELOCITY

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

    • WGS84_EARTH_MU

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

    • WGS84_EARTH_C20

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

    • GRS80_EARTH_EQUATORIAL_RADIUS

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

    • GRS80_EARTH_FLATTENING

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

    • GRS80_EARTH_ANGULAR_VELOCITY

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

    • GRS80_EARTH_MU

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

    • GRS80_EARTH_C20

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

    • EGM96_EARTH_EQUATORIAL_RADIUS

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

    • EGM96_EARTH_MU

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

    • EGM96_EARTH_C20

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

    • EGM96_EARTH_C30

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

    • EGM96_EARTH_C40

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

    • EGM96_EARTH_C50

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

    • EGM96_EARTH_C60

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

    • GRIM5C1_EARTH_EQUATORIAL_RADIUS

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

    • GRIM5C1_EARTH_FLATTENING

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

    • GRIM5C1_EARTH_ANGULAR_VELOCITY

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

    • GRIM5C1_EARTH_MU

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

    • GRIM5C1_EARTH_C20

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

    • GRIM5C1_EARTH_C30

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

    • GRIM5C1_EARTH_C40

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

    • GRIM5C1_EARTH_C50

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

    • GRIM5C1_EARTH_C60

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

    • EIGEN5C_EARTH_EQUATORIAL_RADIUS

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

    • EIGEN5C_EARTH_MU

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

    • EIGEN5C_EARTH_C20

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

    • EIGEN5C_EARTH_C30

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

    • EIGEN5C_EARTH_C40

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

    • EIGEN5C_EARTH_C50

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

    • EIGEN5C_EARTH_C60

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

    • IERS96_EARTH_EQUATORIAL_RADIUS

      static final double IERS96_EARTH_EQUATORIAL_RADIUS
      Earth equatorial radius from IERS96 model: 6378136.49 m.
      See Also:

    • IERS96_EARTH_FLATTENING

      static final double IERS96_EARTH_FLATTENING
      Earth flattening from IERS96 model: 1.0 / 298.25642.
      See Also:

    • IERS96_EARTH_ANGULAR_VELOCITY

      static final double IERS96_EARTH_ANGULAR_VELOCITY
      Earth angular velocity from IERS96 model: 7.292115e-5 rad/s.
      See Also:

    • IERS96_EARTH_MU

      static final double IERS96_EARTH_MU
      Earth gravitational constant from IERS96 model: 3.986004418e14 m³/s².
      See Also:

    • IERS96_EARTH_C20

      static final double IERS96_EARTH_C20
      Earth un-normalized second zonal coefficient from IERS96 model: -1.0826359e-3.
      See Also:

    • IERS2003_EARTH_EQUATORIAL_RADIUS

      static final double IERS2003_EARTH_EQUATORIAL_RADIUS
      Earth equatorial radius from IERS2003 model: 6378136.6 m.
      See Also:

    • IERS2003_EARTH_FLATTENING

      static final double IERS2003_EARTH_FLATTENING
      Earth flattening from IERS2003 model: 1.0 / 298.25642.
      See Also:

    • IERS2003_EARTH_ANGULAR_VELOCITY

      static final double IERS2003_EARTH_ANGULAR_VELOCITY
      Earth angular velocity from IERS2003 model: 7.292115e-5 rad/s.
      See Also:

    • IERS2003_EARTH_MU

      static final double IERS2003_EARTH_MU
      Earth gravitational constant from IERS2003 model: 3.986004418e14 m³/s².
      See Also:

    • IERS2003_EARTH_C20

      static final double IERS2003_EARTH_C20
      Earth un-normalized second zonal coefficient from IERS2003 model: -1.0826359e-3.
      See Also:

    • IERS2010_EARTH_EQUATORIAL_RADIUS

      static final double IERS2010_EARTH_EQUATORIAL_RADIUS
      Earth equatorial radius from IERS2010 model: 6378136.6 m.
      See Also:

    • IERS2010_EARTH_FLATTENING

      static final double IERS2010_EARTH_FLATTENING
      Earth flattening from IERS2010 model: 1.0 / 298.25642.
      See Also:

    • IERS2010_EARTH_ANGULAR_VELOCITY

      static final double IERS2010_EARTH_ANGULAR_VELOCITY
      Earth angular velocity from IERS2010 model: 7.292115e-5 rad/s.
      See Also:

    • IERS2010_EARTH_MU

      static final double IERS2010_EARTH_MU
      Earth gravitational constant from IERS2010 model: 3.986004418e14 m³/s².
      See Also:

    • IERS2010_EARTH_C20

      static final double IERS2010_EARTH_C20
      Earth un-normalized second zonal coefficient from IERS2010 model: -1.0826359e-3.
      See Also:

    • JPL_SSD_GAUSSIAN_GRAVITATIONAL_CONSTANT

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

    • JPL_SSD_ASTRONOMICAL_UNIT

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

    • JPL_SSD_SUN_GM

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

    • JPL_SSD_SUN_MERCURY_MASS_RATIO

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

    • JPL_SSD_MERCURY_GM

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

    • JPL_SSD_SUN_VENUS_MASS_RATIO

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

    • JPL_SSD_VENUS_GM

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

    • 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:

    • JPL_SSD_EARTH_PLUS_MOON_GM

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

    • JPL_SSD_EARTH_MOON_MASS_RATIO

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

    • JPL_SSD_MOON_GM

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

    • JPL_SSD_EARTH_GM

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

    • 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:

    • JPL_SSD_MARS_SYSTEM_GM

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

    • 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:

    • JPL_SSD_JUPITER_SYSTEM_GM

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

    • 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:

    • JPL_SSD_SATURN_SYSTEM_GM

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

    • 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:

    • JPL_SSD_URANUS_SYSTEM_GM

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

    • 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:

    • JPL_SSD_NEPTUNE_SYSTEM_GM

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

    • 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:

    • JPL_SSD_PLUTO_SYSTEM_GM

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