galilean_moons Class Reference

Galilean moon model. More...

#include <sc_galilean_moons.h>

Public Member Functions
	galilean_moons (void)
	Constructor.
void	initialize (void)
	Initialize with a filename. More...
void	update (double jD)
	Update the model with. More...
ml_matrix	get_position (void)
	Get the position [Io;Europa;Ganymede;Callisto]. More...
ml_matrix	get_velocity (void)
	Get the velocity [Io;Europa;Ganymede;Callisto]. More...
ml_matrix	get_transformation_ecliptic_to_jupiter (void)
	Get the transformation from ecliptic to jupiter. More...

Detailed Description

Galilean moon model.

Uses a Kepler propagator. This is not accurate for mission design but is useful for analyses

Member Function Documentation

initialize()

void galilean_moons::initialize

(

void

)

Initialize with a filename.

Initialize the model from JPL Horizon's orbital elements.

References DEGREES_TO_RADIANS, orb_data_s::ecc, orb_data_s::inc, orb_data_s::mean_anom, orb_data_s::orb_rate, orb_data_s::perigee, PI, orb_data_s::raan, and orb_data_s::sma.

update()

void galilean_moons::update

(

double

jD

)

Update the model with.

Update the position and velocity given the current julian day number.

Parameters

jD	Julian day number

References el_to_rv(), orb_data_s::mean_anom, and orb_data_s::orb_rate.

get_position()

ml_matrix galilean_moons::get_position

(

void

)

Get the position [Io;Europa;Ganymede;Callisto].

Get the current position.

Returns

position [Io;Europa;Ganymede;Callisto]

get_velocity()

ml_matrix galilean_moons::get_velocity

(

void

)

Get the velocity [Io;Europa;Ganymede;Callisto].

Get the current velocity \returnvelocity [Io;Europa;Ganymede;Callisto].

get_transformation_ecliptic_to_jupiter()

ml_matrix galilean_moons::get_transformation_ecliptic_to_jupiter

(

void

)

Get the transformation from ecliptic to jupiter.

Get the current velocity \returnvelocity [Io;Europa;Ganymede;Callisto].