Jul 20, 2023

Interactive astronomical ephemeris program

Xephem is an interactive astronomical ephemeris program for X Windows systems. It …

computes heliocentric, geocentric and topocentric information for fixed
celestial objects and objects in heliocentric and geocentric orbits;

has built-in support for all planet positions; the moons of Jupiter, Saturn
and Earth; Mars' and Jupiter's central meridian longitude; Saturn's rings;
and Jupiter's Great Red Spot

Elwood Downey ecdowney@noao.edu August 1995

Checkout these related ports:
  • Xworld - Earth as seen from the direction of the sun
  • Xtide - Harmonic tide clock and tide predictor
  • Xplanet - Draw pictures of the earth textured by an image
  • Xphoon - Set the root window to the moon in its current phase
  • Xmoontool - Version of John Walker's classical moontool for X11/Motif
  • Xeartk - Small demo for tkgeomap
  • Xearth - Set the root window to the image of earth
  • Wmsun - Dockapp that displays the rise and set times of the Sun
  • Wmspaceweather - DockApp that shows the weather at geosynchronous orbit
  • Wmsolar - Dockapp that displays the Solar System viewed from the top
  • Wmmoonclock - Displays the phase of the moon, plus orbital data
  • Wmjupiter - Dockapp that displays information on Jupiter
  • Wmglobe - Neat xearth-like WindowMaker dockapp
  • Weather - Utility to provide current weather conditions and forecasts
  • Wcslib - Library for parsing/generating FITS headers