apsis library

Functions

apogee(double year) → double

JDE of apogee nearest the given decimal year.

apogeeParallax(double year) → double

Equatorial horizontal parallax at apogee nearest year, in radians.

meanApogee(double year) → double

JDE of the mean apogee nearest the given decimal year.

meanPerigee(double year) → double

JDE of the mean perigee nearest the given decimal year.

perigee(double year) → double

JDE of perigee nearest the given decimal year.

perigeeParallax(double year) → double

Equatorial horizontal parallax at perigee nearest year, in radians.