Class GeographyConstants

java.lang.Object

org.episteme.social.geography.GeographyConstants

public final class GeographyConstants
extends Object

Standard physical and geometric constants for Earth-based geographical calculations.

Since:

1.0

Version:

2.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Field Summary

Fields

Modifier and Type	Field	Description
static final Quantity<Length>	EARTH_EQUATORIAL_RADIUS	Equatorial radius (semi-major axis) of the Earth (WGS84) in meters (m).
static final Quantity<Mass>	EARTH_MASS	Approximate mass of the Earth in kilograms (kg).
static final Quantity<Length>	EARTH_MEAN_RADIUS	Nominal mean radius of the Earth as defined by the IUGG in meters (m).
static final Quantity<Length>	EARTH_POLAR_RADIUS	Polar radius (semi-minor axis) of the Earth (WGS84) in meters (m).
static final Quantity<Acceleration>	STANDARD_GRAVITY	Average acceleration due to gravity on the Earth's surface (standard gravity) in meters per second squared (m/s²).

Method Summary

Methods inherited from class Object

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

Field Details

EARTH_MASS

public static final Quantity<Mass> EARTH_MASS

Approximate mass of the Earth in kilograms (kg). Reference: 5.972 × 10^24 kg.

EARTH_MEAN_RADIUS

public static final Quantity<Length> EARTH_MEAN_RADIUS

Nominal mean radius of the Earth as defined by the IUGG in meters (m).

EARTH_EQUATORIAL_RADIUS

public static final Quantity<Length> EARTH_EQUATORIAL_RADIUS

Equatorial radius (semi-major axis) of the Earth (WGS84) in meters (m).

EARTH_POLAR_RADIUS

public static final Quantity<Length> EARTH_POLAR_RADIUS

Polar radius (semi-minor axis) of the Earth (WGS84) in meters (m).

STANDARD_GRAVITY

public static final Quantity<Acceleration> STANDARD_GRAVITY

Average acceleration due to gravity on the Earth's surface (standard gravity) in meters per second squared (m/s²).