vsop87.h   vsop87.h 
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****************************************************************/ ****************************************************************/
#ifndef _VSOP87_H_ #ifndef _VSOP87_H_
#define _VSOP87_H_ #define _VSOP87_H_
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
#define VSOP87_MERCURY 0
#define VSOP87_VENUS 1
#define VSOP87_EMB 2
#define VSOP87_MARS 3
#define VSOP87_JUPITER 4
#define VSOP87_SATURN 5
#define VSOP87_URANUS 6
#define VSOP87_NEPTUNE 7
void GetVsop87Coor(double jd,int body,double *xyz); void GetVsop87Coor(double jd,int body,double *xyz);
/* Return the rectangular coordinates of the given planet /* Return the rectangular coordinates of the given planet
and the given julian date jd expressed in dynamical time (TAI+32.184s) . and the given julian date jd expressed in dynamical time (TAI+32.184s) .
The origin of the xyz-coordinates is the center of the sun. The origin of the xyz-coordinates is the center of the sun.
The reference frame is "dynamical equinox and ecliptic J2000", The reference frame is "dynamical equinox and ecliptic J2000",
which is the reference frame in VSOP87 and VSOP87A. which is the reference frame in VSOP87 and VSOP87A.
*/ */
void GetVsop87OsculatingCoor(const double jd0,const double jd, const int bo dy,double *xyz); void GetVsop87OsculatingCoor(const double jd0,const double jd, const int bo dy,double *xyz);
/* The oculating orbit of epoch jd0, evaluated at jd, is returned. /* The oculating orbit of epoch jd0, evaluated at jd, is returned.
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