#define GRAVITY 32.174
#define INVGRAVITY 0.031081
#define EARTHRAD 20925650.00 // feet, equatorial
#define GRAVITY 32.174
#define INVGRAVITY 0.031081
#define EARTHRAD 20925650.00 // feet, equatorial
#define EARTHRADSQRD 437882827922500.0
#define ONESECOND 4.848136811E-6
#define ECCENT 0.996647186
#define EARTHRADSQRD 437882827922500.0
#define ONESECOND 4.848136811E-6
#define ECCENT 0.996647186
#define FPSTOKTS 0.592484
#define INCHTOFT 0.08333333
#define OMEGA_EARTH .00007272205217
#define FPSTOKTS 0.592484
#define INCHTOFT 0.08333333
#define OMEGA_EARTH .00007272205217