import type { EclipticCoordinate, EquatorialCoordinate, GalacticCoordinate } from "../types.js";
export declare function meanObliquityDegrees(julianCenturyTt: number): number;
export declare function equatorialToEcliptic(coordinate: EquatorialCoordinate, obliquityDegrees?: number): EclipticCoordinate;
export declare function eclipticToEquatorial(coordinate: EclipticCoordinate, obliquityDegrees?: number): EquatorialCoordinate;
export declare function equatorialToGalactic(coordinate: EquatorialCoordinate): GalacticCoordinate;
export declare function galacticToEquatorial(coordinate: GalacticCoordinate): EquatorialCoordinate;
//# sourceMappingURL=coordinates.d.ts.map