science and engineering › astronomy software free download

XEphem 3.7.2 (by Elwood Charles Downey)

Xplanet 1.2.0 (by Hari Nair)
Xplanet was inspired by Xearth, which renders an image of the earth into the X root window

M.E.S.H. 1.13 (by Nicolas Aspert)
M.E.S.H

SkyChart 3.0.0.8 (by Patrick Chevalley)
This program enables you to draw sky charts, making use of the data in 16 catalogs of stars and nebulae

SkyDome 1.4.00 (by H. J. OPSTAELE)

Planets 3D 1.3 (by Benjamin Mesing)
The purpose of Planets 3D is to show a simulation of our solar system

Gnome Predict 0.5.99.5 (by Alexandru Csete)
Gnome Predict or Gpredict is a satellite tracking program for Unix-like operating systems

Gpredict 0.6.1 (by Alexandru Csete)
Gpredict project is a satellite tracking program for Unix-like operating systems

gcx 0.9.7 (by Radu Corlan)
GCX in the latest incarnation of the cx camera control and data reduction program

SaVi 1.3.2a (by Lloyd Wood)
SaVi allows you to simulate satellite orbits and coverage, in two and three dimensions

Mars Simulation Project 2.79 (by Scott Davis)
Mars Simulation Project is a free software Java project to create a simulation of future human settlement of Mars.

The simulation

Xplns 3.3.1 (by Osamu Ajiki)
Xplns reproduces real starry sky on your display of X Window System

KSetiSpy 0.6.4 (by Roberto Virga)
KSetiSpy is a KDE utility that monitors the progress of the SETI@home client, and displays all kinds of information about the work un

Nightfall 1.52 (by rainer)
Nightfall is an astronomy application for fun, education, and science

KAstrHorloge 2.0.1 (by Eric Coquelle)
KAstrHorloge is an astronomy software for Linux & KDE.

KAstrHorloge is provided with a 10000 stars database

IridiumFlares 1.0 (by Emmanuel ZURMELY)
IridiumFlares is a program that predicts the flares made by the constellation of communication satellites known as Iridium.

A flar

KAstrometry 0.0.1a (by Russell Valentine)
KAstrometry is an astrometry program for KDE

ORSA 0.7.0 (by Pasquale Tricarico)
ORSA is an interactive tool for scientific grade Celestial Mechanics computations

pscal 1.16 (by Mark B. Hanson)
pscal is a Bourne shell script that produces simple, nice-looking PostScript calendars.

The PostScript code is sent to stdout, so

StarPlot 0.95.2 (by Kevin McCarty)
StarPlot is a program for Unix that allows you to view charts of the relative 3-dimensional positions of stars in space.

It is fre

PP3 1.3.2 (by Torsten Bronger)
PP3 creates celestial charts

Messiggy 0.5.0 (by Scott Robert Ladd)
Messiggy is a software that contains database of celestial objects, as cataloged by the French astronomer Charles Messier in the mid-

Mars24 5.5.0 (by Dr. Robert B. Schmunk)
Mars24 is a Java program and browser applet which displays a Mars "sunclock", a graphical representation of the planet Mars showing i

WhereIsM13 1.0.2 (by Think Astronomy)
WhereIsM13 is a free Java application designed to help us break out of our habitual way of perceiving the night sky as two dimensiona

PyNOVAS 0.1b2 (by Jaap Spies)
PyNOVAS allows you to calculate the position and movement of the sun, moon, planets, and stars with great precision using Python.