de403.h

c源码

/* Constants for the JPL DE403 Chebyshev Ephemeris
 */

#define DE102F 0
#define DE200F 0
#define DE245F 0
#define DE400F 1

/* double JDb = 2305200.5; */ /* starting JED 1599 Apr 29, for de403.unx */
double JDb = 2305424.5; /* starting JED 1599 Dec 9, for de403.unx */
double JDe = 2524400.5; /* ending JED 2199 Jun 22 */
double JDi = 32.0; /* days per record */
#define DRSIZ 8144
long recsiz = (long )DRSIZ; /* bytes per record */
long rec0 = 16288L; /* offset to first record */

int objs[13][3] = {
  {  3, 14, 4},
  {171, 10, 2},
  {231, 13, 2},
  {309, 11, 1},
  {342, 8, 1},
  {366, 7, 1},
  {387, 6, 1},
  {405, 6, 1},
  {423, 6, 1},
  {441, 13, 8},
  {753, 11, 2},
  {819, 10, 4},
  {899, 10, 4}
};

double au = 1.49597870691e8; /* Kilometers per au */
double emrat = 81.300585; /* Earth/Moon mass ratio */
double radearth = 6378.137;
double clight = 2.99792458e5;
char *dename = "de403.unx";