import { Degrees, Milliseconds, Minutes, Radians, Seconds } from '../types/types.js';
/**
 * Full circle in radians (PI * 2)
 *
 * https://tauday.com/tau-manifesto
 */
export declare const TAU: Radians;
/**
 * Represents half of the mathematical constant PI.
 */
export declare const halfPi: Radians;
/**
 * Converts degrees to radians.
 */
export declare const DEG2RAD: Radians;
/**
 * Converts radians to degrees.
 */
export declare const RAD2DEG: Degrees;
/**
 * Conversion factor from seconds to degrees.
 */
export declare const sec2deg: Degrees;
/**
 * Conversion factor from seconds to days.
 */
export declare const sec2day: number;
/**
 * Conversion factor from arcseconds to radians.
 */
export declare const asec2rad: Radians;
/**
 * Convert ten-thousandths of an arcsecond to radians.
 */
export declare const ttasec2rad: Radians;
/**
 * Convert milliarcseconds to radians.
 */
export declare const masec2rad: Radians;
/**
 * The angular velocity of the Earth in radians per second.
 */
export declare const angularVelocityOfEarth = 0.00007292115;
/**
 * Astronomical unit in kilometers.
 */
export declare const astronomicalUnit = 149597870;
export declare const msec2sec: Seconds;
export declare const cMPerSec = 299792458;
export declare const cKmPerSec: number;
export declare const cKmPerMs: number;
export declare const MS_PER_DAY = 86400000;
export declare const secondsPerDay = 86400;
export declare const sec2min: Minutes;
export declare const secondsPerSiderealDay = 86164.0905;
export declare const secondsPerWeek: number;
/**
 * Half the number of radians in a circle.
 */
export declare const PI: Radians;
export declare const x2o3: number;
export declare const temp4 = 1.5e-12;
/**
 * The number of minutes in a day.
 */
export declare const MINUTES_PER_DAY: Minutes;
/**
 * The number of milliseconds in a day.
 */
export declare const MILLISECONDS_TO_DAYS = 1.15741e-8;
/**
 * The number of milliseconds in a day.
 */
export declare const MILLISECONDS_PER_DAY: number;
/**
 * The number of milliseconds in a second.
 */
export declare const MILLISECONDS_PER_SECOND: Milliseconds;
export declare const RADIUS_OF_EARTH = 6371;
export declare const earthGravityParam = 398600.4415;