export declare const J2000 = 2451545;
export declare const JulianCentury = 36525;
export declare const JulianMillennium: number;
export declare const AstronomicalUnit = 149597870;
export declare const TropicalYear = 365.24219878;
export declare const dtr: (d: number) => number;
export declare const rtd: (r: number) => number;
export declare const fixangle: (a: number) => number;
export declare const fixangr: (a: number) => number;
export declare const dsin: (d: number) => number;
export declare const dcos: (d: number) => number;
export declare const mod: (a: number, b: number) => number;
export declare const oterms: number[];
export declare const obliqeq: (jd: number) => number;
export declare const nutArgMult: number[];
export declare const nutArgCoeff: number[];
export declare const nutation: (jd: number) => number[];
export declare const deltaTtab: number[];
export declare const deltat: (year: number) => number;
export declare const EquinoxpTerms: number[];
export declare const JDE0tab1000: number[][];
export declare const JDE0tab2000: number[][];
export declare const equinox: (year: number, which: number) => number;
export declare const sunpos: (jd: number) => number[];
export declare const equationOfTime: (jd: number) => number;