sc_constants.h

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/*
 * sc_constants.h 
 *
 * Programmers: Joe Mueller, Mike Paluszek, Lavanya Swetharanyan, Stephanie Thomas, Wil Turner
 *
 * Copyright 1999-2006, Princeton Satellite Systems. All rights reserved.
 *
 * Mathematical, astronomical, time, and other constant values required by library functions.
 */
 
#ifndef __SC_CONSTANTS__
#define __SC_CONSTANTS__
 
const double JD_EPOCH = 2440587.5;
const double JD_2000 = 2451545.0;
const double HOURS_TO_SECS = 3600.0;
const double SECS_TO_HOURS = 2.777777777777778e-04;
const double DAYS_TO_SECS = 86400.0;
const double SECS_TO_DAYS = 1.157407407407407e-05;
const double CENTURIES_TO_DAYS = 36525.0;
const double DAYS_TO_CENTURIES = 2.737850787132101e-05;
const double SIDEREAL_DAY = 1.00273790935;
const double PI = 3.141592653589793;
const double TWO_PI = 6.283185307179586;
const double DEGREES_TO_RADIANS = 0.0174532925199433;
const double RADIANS_TO_DEGREES = 57.29577951308232;
const double REVS_TO_DEGREES = 360.0;
const double DEGREES_TO_REVS = 2.777777777777778e-03;
const double RPM_TO_RPS = 0.1047197551197;
const double MU_EARTH = 3.9860044e5;                    
const double MU_SUN = 1.32712438e11;            
const double MU_MOON = 4902.7934;                               
const double RADIUS_EARTH = 6378.137;                           
const double RADIUS_SUN = 695990.00;                    
const double RADIUS_MOON = 1738.00;
const double FLATTENING_FACTOR = 0.0033528131;
const double ARCSEC_TO_DEGREES = 2.777777777777778e-04;
const double AUNIT = 149597870.691;
const double GAS_R = 8.31451;
const double SPEED_OF_LIGHT = 299792458.;
const double BOLTZMANN = 1.3806488e-23; 
 
 
#endif