Module astro::orbit::elliptic  
            
                [−]
            
        [src]
Elliptic orbits
Functions
| aph_vel | 
                              Computes the velocity of a body at aphelion in an elliptic orbit  | 
                    
| ecc_anom | 
                              Computes the eccentric anomaly of a body in an elliptic orbit  | 
                    
| length | 
                              Computes the approximate length of an ellipse  | 
                    
| length_ramanujan | 
                              Computes the approximate length of an ellipse using the Ramanujan method  | 
                    
| mn_motion | 
                              Computes the mean motion of an elliptic orbit  | 
                    
| passage_through_node | 
                              Computes the time of passage of a body through a node of an elliptic orbit, and it's radius vector at that time  | 
                    
| perih_vel | 
                              Computes the velocity of a body at perihelion in an elliptic orbit  | 
                    
| rad_vec_frm_ecc_anom | 
                              Computes the radius vector of a body in an elliptic orbit from it's eccentric anomaly  | 
                    
| rad_vec_frm_true_anom | 
                              Computes the radius vector of a body in an elliptic orbit from it's true anomaly  | 
                    
| semimaj_axis | 
                              Computes the semimajor axis of an elliptic orbit  | 
                    
| true_anom | 
                              Computes the true anomaly of a body in an elliptic orbit  | 
                    
| vel | 
                              Computes the velocity of a body in an elliptic orbit  |