Constants (parent patrimoine de base SIRIUS 3.4 API)

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org.orekit.utils
Interface Constants

public interface Constants

Set of useful physical constants.

Author:: Luc Maisonobe

Field Summary
`static double`	`ARC_SECONDS_TO_RADIANS` Conversion factor from arc seconds to radians: 2PI/(36060*60).
`static double`	`AVOGADRO_CONSTANT` Avogadro constant.
`static double`	`EGM96_EARTH_C20` Earth un-normalized second zonal coefficient from EGM96 model: -1.08262668355315e-3.
`static double`	`EGM96_EARTH_C30` Earth un-normalized third zonal coefficient from EGM96 model: 2.53265648533224e-6.
`static double`	`EGM96_EARTH_C40` Earth un-normalized fourth zonal coefficient from EGM96 model: 1.619621591367e-6.
`static double`	`EGM96_EARTH_C50` Earth un-normalized fifth zonal coefficient from EGM96 model: 2.27296082868698e-7.
`static double`	`EGM96_EARTH_C60` Earth un-normalized sixth zonal coefficient from EGM96 model: -5.40681239107085e-7.
`static double`	`EGM96_EARTH_EQUATORIAL_RADIUS` Earth equatorial radius from EGM96 model: 6378136.3 m.
`static double`	`EGM96_EARTH_MU` Earth gravitational constant from EGM96 model: 3.986004415 m³/s².
`static double`	`EIGEN5C_EARTH_C20` Earth un-normalized second zonal coefficient from EIGEN5C model: -1.082626457231767e-3.
`static double`	`EIGEN5C_EARTH_C30` Earth un-normalized third zonal coefficient from EIGEN5C model: 2.532547231862799e-6.
`static double`	`EIGEN5C_EARTH_C40` Earth un-normalized fourth zonal coefficient from EIGEN5C model: 1.619964434136e-6.
`static double`	`EIGEN5C_EARTH_C50` Earth un-normalized fifth zonal coefficient from EIGEN5C model: 2.277928487005437e-7.
`static double`	`EIGEN5C_EARTH_C60` Earth un-normalized sixth zonal coefficient from EIGEN5C model: -5.406653715879098e-7.
`static double`	`EIGEN5C_EARTH_EQUATORIAL_RADIUS` Earth equatorial radius from EIGEN5C model: 6378136.46 m.
`static double`	`EIGEN5C_EARTH_MU` Earth gravitational constant from EIGEN5C model: 3.986004415 m³/s².
`static double`	`G0_STANDARD_GRAVITY` Standard gravity constant, used in maneuvers definition: 9.80665 m/s².
`static double`	`GRIM5C1_EARTH_ANGULAR_VELOCITY` Earth angular velocity from GRIM5C1 model: 7.292115e-5 rad/s.
`static double`	`GRIM5C1_EARTH_C20` Earth un-normalized second zonal coefficient from GRIM5C1 model: -1.082626110612609e-3.
`static double`	`GRIM5C1_EARTH_C30` Earth un-normalized third zonal coefficient from GRIM5C1 model: 2.536150841690056e-6.
`static double`	`GRIM5C1_EARTH_C40` Earth un-normalized fourth zonal coefficient from GRIM5C1 model: 1.61936352497151e-6.
`static double`	`GRIM5C1_EARTH_C50` Earth un-normalized fifth zonal coefficient from GRIM5C1 model: 2.231013736607540e-7.
`static double`	`GRIM5C1_EARTH_C60` Earth un-normalized sixth zonal coefficient from GRIM5C1 model: -5.402895357302363e-7.
`static double`	`GRIM5C1_EARTH_EQUATORIAL_RADIUS` Earth equatorial radius from GRIM5C1 model: 6378136.46 m.
`static double`	`GRIM5C1_EARTH_FLATTENING` Earth flattening from GRIM5C1 model: 1.0 / 298.25765.
`static double`	`GRIM5C1_EARTH_MU` Earth gravitational constant from GRIM5C1 model: 3.986004415 m³/s².
`static double`	`GRS80_EARTH_ANGULAR_VELOCITY` Earth angular velocity from GRS80 model: 7.292115e-5 rad/s.
`static double`	`GRS80_EARTH_C20` Earth un-normalized second zonal coefficient from GRS80 model: -1.08263e-3.
`static double`	`GRS80_EARTH_EQUATORIAL_RADIUS` Earth equatorial radius from GRS80 model: 6378137.0 m.
`static double`	`GRS80_EARTH_FLATTENING` Earth flattening from GRS80 model: 1.0 / 298.257222101.
`static double`	`GRS80_EARTH_MU` Earth gravitational constant from GRS80 model: 3.986005e14 m³/s².
`static double`	`JPL_SSD_ASTRONOMICAL_UNIT` Astronomical Unit: 149597870691 m.
`static double`	`JPL_SSD_EARTH_GM` Earth attraction coefficient (m³/s²).
`static double`	`JPL_SSD_EARTH_MOON_MASS_RATIO` Earth/Moon mass ratio: 81.30059.
`static double`	`JPL_SSD_EARTH_PLUS_MOON_GM` Sun/(Earth + Moon) attraction coefficient (m³/s²).
`static double`	`JPL_SSD_GAUSSIAN_GRAVITATIONAL_CONSTANT` Gaussian gravitational constant: 0.01720209895 √(AU³/d²).
`static double`	`JPL_SSD_JUPITER_SYSTEM_GM` Sun/(Jupiter system) ttraction coefficient (m³/s²).
`static double`	`JPL_SSD_MARS_SYSTEM_GM` Sun/(Mars system) attraction coefficient (m³/s²).
`static double`	`JPL_SSD_MERCURY_GM` Sun/Mercury attraction coefficient (m³/s²).
`static double`	`JPL_SSD_MOON_GM` Moon attraction coefficient (m³/s²).
`static double`	`JPL_SSD_NEPTUNE_SYSTEM_GM` Sun/(Neptune system) attraction coefficient (m³/s²).
`static double`	`JPL_SSD_PLUTO_SYSTEM_GM` Sun/(Pluto system) ttraction coefficient (m³/s²).
`static double`	`JPL_SSD_SATURN_SYSTEM_GM` Sun/(Saturn system) attraction coefficient (m³/s²).
`static double`	`JPL_SSD_SUN_EARTH_PLUS_MOON_MASS_RATIO` Sun/(Earth + Moon) mass ratio: 328900.56.
`static double`	`JPL_SSD_SUN_GM` Sun attraction coefficient (m³/s²).
`static double`	`JPL_SSD_SUN_JUPITER_SYSTEM_MASS_RATIO` Sun/(Jupiter system) mass ratio: 1047.3486.
`static double`	`JPL_SSD_SUN_MARS_SYSTEM_MASS_RATIO` Sun/(Mars system) mass ratio: 3098708.0.
`static double`	`JPL_SSD_SUN_MERCURY_MASS_RATIO` Sun/Mercury mass ratio: 6023600.
`static double`	`JPL_SSD_SUN_NEPTUNE_SYSTEM_MASS_RATIO` Sun/(Neptune system) mass ratio: 19412.24.
`static double`	`JPL_SSD_SUN_PLUTO_SYSTEM_MASS_RATIO` Sun/(Pluto system) mass ratio: 1.35e8.
`static double`	`JPL_SSD_SUN_SATURN_SYSTEM_MASS_RATIO` Sun/(Saturn system) mass ratio: 3497.898.
`static double`	`JPL_SSD_SUN_URANUS_SYSTEM_MASS_RATIO` Sun/(Uranus system) mass ratio: 22902.98.
`static double`	`JPL_SSD_SUN_VENUS_MASS_RATIO` Sun/Venus mass ratio: 408523.71.
`static double`	`JPL_SSD_URANUS_SYSTEM_GM` Sun/(Uranus system) attraction coefficient (m³/s²).
`static double`	`JPL_SSD_VENUS_GM` Sun/Venus attraction coefficient (m³/s²).
`static double`	`JULIAN_CENTURY` Duration of a julian century: 36525 `JULIAN_DAY`.
`static double`	`JULIAN_DAY` Duration of a mean solar day: 86400.0 s.
`static double`	`JULIAN_DAY_CENTURY` Number of julian days in a century.
`static double`	`JULIAN_YEAR` Duration of a julian year: 365.25 `JULIAN_DAY`.
`static double`	`MOON_EQUATORIAL_RADIUS` Moon equatorial radius: 1737400 m.
`static double`	`PERFECT_GAS_CONSTANT` Perfect gas constant (Jmol^-1K^-1.
`static double`	`RADIANS_TO_SEC` Conversion factor from radians to seconds: 86400 / 2*PI.
`static double`	`SPEED_OF_LIGHT` Speed of light: 299792458.0 m/s.
`static double`	`SUN_RADIUS` Sun radius: 695500000 m.
`static double`	`WGS84_EARTH_ANGULAR_VELOCITY` Earth angular velocity from WGS84 model: 7.292115e-5 rad/s.
`static double`	`WGS84_EARTH_C20` Earth un-normalized second zonal coefficient from WGS84 model: .
`static double`	`WGS84_EARTH_EQUATORIAL_RADIUS` Earth equatorial radius from WGS84 model: 6378137.0 m.
`static double`	`WGS84_EARTH_FLATTENING` Earth flattening from WGS84 model: 1.0 / 298.257223563.
`static double`	`WGS84_EARTH_MU` Earth gravitational constant from WGS84 model: 3.986004418 m³/s².

Field Detail

SPEED_OF_LIGHT

static final double SPEED_OF_LIGHT

Speed of light: 299792458.0 m/s.

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

JULIAN_YEAR

static final double JULIAN_YEAR

Duration of a julian year: 365.25 JULIAN_DAY.

See Also:: Constant Field Values

JULIAN_DAY_CENTURY

static final double JULIAN_DAY_CENTURY

Number of julian days in a century.

See Also:: Constant Field Values

JULIAN_CENTURY

static final double JULIAN_CENTURY

Duration of a julian century: 36525 JULIAN_DAY.

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

RADIANS_TO_SEC

static final double RADIANS_TO_SEC

Conversion factor from radians to seconds: 86400 / 2*PI.

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

SUN_RADIUS

static final double SUN_RADIUS

Sun radius: 695500000 m.

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: 3.986004418 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: 3.986004415 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: 3.986004415 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: 3.986004415 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

PERFECT_GAS_CONSTANT

static final double PERFECT_GAS_CONSTANT

Perfect gas constant (Jmol^-1K^-1.

See Also:: Constant Field Values

AVOGADRO_CONSTANT

static final double AVOGADRO_CONSTANT

Avogadro constant.

See Also:: Constant Field Values