Comets

Functions
double	ln_get_ell_comet_mag (double JD, struct ln_ell_orbit *orbit, double g, double k)
	Calculate the visual magnitude of a comet in an elliptic orbit. More...
double	ln_get_par_comet_mag (double JD, struct ln_par_orbit *orbit, double g, double k)
	Calculate the visual magnitude of a comet in a parabolic orbit. More...

Detailed Description

Functions relating to Comets.

All angles are expressed in degrees.

Function Documentation

double ln_get_ell_comet_mag	(	double	JD,
		struct ln_ell_orbit *	orbit,
		double	g,
		double	k
	)

Calculate the visual magnitude of a comet in an elliptic orbit.

Parameters

JD	Julian day.
orbit	Orbital parameters
g	Absolute magnitude
k	Comet constant

Returns

The visual magnitude.

Calculate the visual magnitude of a comet in an elliptical orbit.

References ln_ell_orbit::a, ln_ell_orbit::e, ln_ell_orbit::JD, ln_get_ell_body_solar_dist(), ln_get_ell_mean_anomaly(), ln_get_ell_mean_motion(), ln_get_ell_radius_vector(), ln_solve_kepler(), and ln_ell_orbit::n.

double ln_get_par_comet_mag	(	double	JD,
		struct ln_par_orbit *	orbit,
		double	g,
		double	k
	)

Calculate the visual magnitude of a comet in a parabolic orbit.

Parameters

JD	Julian day.
orbit	Orbital parameters
g	Absolute magnitude
k	Comet constant

Returns

The visual magnitude.

Calculate the visual magnitude of a comet in a parabolic orbit.

References ln_par_orbit::JD, ln_get_par_body_solar_dist(), ln_get_par_radius_vector(), and ln_par_orbit::q.