1 /**************************************************************************
3 * Written by Durk Talsma. Originally started October 1997, for distribution
4 * with the FlightGear project. Version 2 was written in August and
5 * September 1998. This code is based upon algorithms and data kindly
6 * provided by Mr. Paul Schlyter. (pausch@saaf.se).
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
24 **************************************************************************/
28 # define exception c_exception
32 #include "jupiter.hxx"
34 /*************************************************************************
35 * Jupiter::Jupiter(double mjd)
36 * Public constructor for class Jupiter
37 * Argument: The current time.
38 * the hard coded orbital elements for Jupiter are passed to
39 * CelestialBody::CelestialBody();
40 ************************************************************************/
41 Jupiter::Jupiter(double mjd) :
42 CelestialBody(100.4542, 2.7685400E-5,
44 273.8777, 1.6450500E-5,
47 19.89500, 0.08308530010, mjd)
52 CelestialBody(100.4542, 2.7685400E-5,
54 273.8777, 1.6450500E-5,
57 19.89500, 0.08308530010)
61 /*************************************************************************
62 * void Jupiter::updatePosition(double mjd, Star *ourSun)
64 * calculates the current position of Jupiter, by calling the base class,
65 * CelestialBody::updatePosition(); The current magnitude is calculated using
66 * a Jupiter specific equation
67 *************************************************************************/
68 void Jupiter::updatePosition(double mjd, Star *ourSun)
70 CelestialBody::updatePosition(mjd, ourSun);
71 magnitude = -9.25 + 5*log10( r*R ) + 0.014 * FV;