ephemera_common.8h
011/*
022* (C)2012 Michael Duane Rice All rights reserved.
033*
044* Redistribution and use in source and binary forms, with or without
055* modification, are permitted provided that the following conditions are
066* met:
077*
088* Redistributions of source code must retain the above copyright notice, this
099* list of conditions and the following disclaimer. Redistributions in binary
1010* form must reproduce the above copyright notice, this list of conditions
1111* and the following disclaimer in the documentation and/or other materials
1212* provided with the distribution. Neither the name of the copyright holders
1313* nor the names of contributors may be used to endorse or promote products
1414* derived from this software without specific prior written permission.
1515*
1616* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1717* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1818* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1919* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
2020* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
2121* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
2222* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
2323* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
2424* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
2525* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
2626* POSSIBILITY OF SUCH DAMAGE.
2727*/
2828
2929/* $Id: ephemera_common.h 2345 2013-04-11 23:58:48Z swfltek $ */
3030
3131#ifndef EPHEMERA_PRIVATE_H
3232#define EPHEMERA_PRIVATE_H
3333
3434#define TROP_YEAR 31556925
3535#define ANOM_YEAR 31558433
3636#define INCLINATION 0.409105176667471 /* Earths axial tilt at the epoch */
3737#define PERIHELION 31316400 /* perihelion of 1999, 03 jan 13:00 UTC */
3838#define SOLSTICE 836160 /* winter solstice of 1999, 22 Dec 07:44 UTC */
3939#define TWO_PI 6.283185307179586
4040#define TROP_CYCLE 5022440.6025
4141#define ANOM_CYCLE 5022680.6082
4242#define DELTA_V 0.03342044 /* 2x orbital eccentricity */
4343
4444#endif
