# Functions
Aphelion returns an approximate jde of the aphelion event nearest the given time.
Aphelion2 returns the aphelion event nearest the given time.
Perihelion returns an approximate jde of the perihelion event nearest the given time.
Perihelion2 returns the perihelion event nearest the given time.
# Constants
Planet constants for first argument of Perihelion and Aphelion functions.
Planet constants for first argument of Perihelion and Aphelion functions.
Planet constants for first argument of Perihelion and Aphelion functions.
Planet constants for first argument of Perihelion and Aphelion functions.
Planet constants for first argument of Perihelion and Aphelion functions.
Planet constants for first argument of Perihelion and Aphelion functions.
Planet constants for first argument of Perihelion and Aphelion functions.
Planet constants for first argument of Perihelion and Aphelion functions.
Planet constants for first argument of Perihelion and Aphelion functions.