Corrections for aberration
Angles for astronomy
Diameters of asteroids
Corrections for atmospheric refraction
Binary stars
Some useful physical constants
Transform between coordinate systems
The Earth’s ecliptic
Interpolation of intermediate values of functions
The Earth’s moon
Miscellaneous stuff
Corrections for nutation
Elliptic, parabolic and near-parabolic orbits
Find topocentric coordinates
The 8 Planets in the Solar System
The dwarf planet Pluto
Corrections for precession
Stars
The Sun
Time for astronomy
Time of rise, transit and set for a celestial body
Some programming utilities