Class AstronomyConstants

java.lang.Object

org.episteme.natural.physics.astronomy.AstronomyConstants

public final class AstronomyConstants
extends Object

Astronomical constants and parameters.

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Field Summary

Fields

Modifier and Type	Field	Description
static final Real	AU
static final Quantity<Length>	AU_QTY
static final Quantity<Time>	DAY_DURATION
static final Real	DAY_SECONDS
static final Real	DAYS_PER_CENTURY
static final Quantity<?>	EARTH_GM
static final Real	GALACTIC_LON_NCP
static final Quantity<Angle>	GALACTIC_LON_NCP_QTY
static final Real	GAUSSIAN_GRAVITATIONAL_CONSTANT	Gaussian Gravitational Constant in AU^(3/2) * Day^-1 * SolarMass^(-1/2).
static final Quantity<Time>	GAUSSIAN_YEAR	Gaussian year (period of ideal particle in circular orbit).
static final Real	JULIAN_EPOCH_B1950
static final Real	JULIAN_EPOCH_J2000
static final Quantity<Time>	JULIAN_YEAR	Standard Julian year (exactly 365.25 days).
static final Real	JUPITER_MASS
static final Quantity<Mass>	JUPITER_MASS_QTY
static final Real	JUPITER_RADIUS
static final Quantity<Length>	JUPITER_RADIUS_QTY
static final Real	MU_EARTH
static final Real	MU_SUN
static final Real	NGP_DEC
static final Quantity<Angle>	NGP_DEC_QTY
static final Real	NGP_RA
static final Quantity<Angle>	NGP_RA_QTY
static final Real	PARSEC
static final Quantity<Length>	PARSEC_QTY
static final Quantity<Time>	SIDEREAL_DAY	Sideral day (rotation of Earth relative to fixed stars).
static final Quantity<Time>	SIDEREAL_YEAR	Sidereal year (orbital period relative to fixed stars).
static final Quantity<?>	SOLAR_GM
static final Quantity<Time>	TROPICAL_YEAR	Tropical year (period between successive vernal equinoxes).

Method Summary

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SOLAR_GM

public static final Quantity<?> SOLAR_GM

MU_SUN

public static final Real MU_SUN

EARTH_GM

public static final Quantity<?> EARTH_GM

MU_EARTH

public static final Real MU_EARTH

JUPITER_MASS_QTY

public static final Quantity<Mass> JUPITER_MASS_QTY

JUPITER_MASS

public static final Real JUPITER_MASS

JUPITER_RADIUS_QTY

public static final Quantity<Length> JUPITER_RADIUS_QTY

JUPITER_RADIUS

public static final Real JUPITER_RADIUS

PARSEC_QTY

public static final Quantity<Length> PARSEC_QTY

PARSEC

public static final Real PARSEC

AU_QTY

public static final Quantity<Length> AU_QTY

AU

public static final Real AU

NGP_RA_QTY

public static final Quantity<Angle> NGP_RA_QTY

NGP_RA

public static final Real NGP_RA

NGP_DEC_QTY

public static final Quantity<Angle> NGP_DEC_QTY

NGP_DEC

public static final Real NGP_DEC

GALACTIC_LON_NCP_QTY

public static final Quantity<Angle> GALACTIC_LON_NCP_QTY

GALACTIC_LON_NCP

public static final Real GALACTIC_LON_NCP

DAY_DURATION

public static final Quantity<Time> DAY_DURATION

DAY_SECONDS

public static final Real DAY_SECONDS

SIDEREAL_DAY

public static final Quantity<Time> SIDEREAL_DAY

Sideral day (rotation of Earth relative to fixed stars).

SIDEREAL_YEAR

public static final Quantity<Time> SIDEREAL_YEAR

Sidereal year (orbital period relative to fixed stars).

TROPICAL_YEAR

public static final Quantity<Time> TROPICAL_YEAR

Tropical year (period between successive vernal equinoxes).

JULIAN_YEAR

public static final Quantity<Time> JULIAN_YEAR

Standard Julian year (exactly 365.25 days).

GAUSSIAN_GRAVITATIONAL_CONSTANT

public static final Real GAUSSIAN_GRAVITATIONAL_CONSTANT

Gaussian Gravitational Constant in AU^(3/2) * Day^-1 * SolarMass^(-1/2).

GAUSSIAN_YEAR

public static final Quantity<Time> GAUSSIAN_YEAR

Gaussian year (period of ideal particle in circular orbit).

DAYS_PER_CENTURY

public static final Real DAYS_PER_CENTURY

JULIAN_EPOCH_J2000

public static final Real JULIAN_EPOCH_J2000

JULIAN_EPOCH_B1950

public static final Real JULIAN_EPOCH_B1950