astronomy-bundle
Version:
Bundle for astronomical calculations such as position of moon, sun and planets, sunrise, sunset or solar eclipses. Most of the calculations are based on Jean Meeus 'Astronomical Algorithms' book and the VSOP87 theory.
9 lines (8 loc) • 879 B
TypeScript
import { EquatorialSphericalCoordinates } from '../coordinates/types/CoordinateTypes';
export declare function getElongation(equCoordsObj: EquatorialSphericalCoordinates, equCoordsSun: EquatorialSphericalCoordinates): number;
export declare function getPhaseAngle(equCoordsObj: EquatorialSphericalCoordinates, equCoordsSun: EquatorialSphericalCoordinates): number;
export declare function getIlluminatedFraction(phaseAngle: number): number;
export declare function getPositionAngleOfBrightLimb(equCoordsObj: EquatorialSphericalCoordinates, equCoordsSun: EquatorialSphericalCoordinates): number;
export declare function isWaxing(chi: number): boolean;
export declare function getAngularDiameter(distance: number, trueDiameter: number): number;
export declare function getAngularSeparation(coords1: EquatorialSphericalCoordinates, coords2: EquatorialSphericalCoordinates): number;