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Planet's Orbits
by alcyone software
Planet's Orbits (for Windows 98/ME/2000/XP) is an accurate digital orrery with a wealth of functionality. The program uses the DE404 ephemeris (accurate for dates between 2000 B.C. and 6000 AD) for the calculation of planetary (except Pluto) and lunar positions. The calculation of the positions of the satellites of Jupiter, Saturn, and Uranus is done by the various analytic theories given in the Explanatory Supplement to the Astronomial Almanac.
orrery planets asteroids planetary positions solar system astronomy satellites ephemeris accurate digital wealth functionality
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EasySky
by Matthias Busch
Astronomy software, shows you the complete night sky (340,000 stars) and our solar system in a 3D orrery view with the planets, asteroids, and comets from any place at any time. All settings can be saved in different documents. Animations let you understand the motions of the celestial bodies or the daily rotation of the Earth. Printing. The demo version contains less objects and some minor restrictions.
astronomy planetarium stars asteroids comets planets astronomy star charting animations printing
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Adastra FREESTAR
by Coeli Software Products
Experience accessible astronomy with a real-time sky, comprehensive reports, arcsecond accuracy, and exciting events such as animation and live tracking. Easy mouse-manipulation of the sky brings planets, comets, asteroids, DSOs, and a multitude of stars to your fingertips in real-time.
And let TimeLine graphically show the effects of precession down through the millennia...
astronomy astro astronomical planetarium sky skymap star map celestial atlas coeli stella stars planets sun moon comets asteroids orbits galaxy encyclopedia dictionary planisphere telescope
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Coeli - Stella 2000
by Coeli Software Products
Complete astronomy software suite exploring realistic skies in real time, with observing log, Sky Quiz, Live Orbits (orrery), telescope support, spoken pronunciation guide, a half-million word Encyclopedia Astronomica, and concentrated searches embracing planets, comets, asteroids, DSOs, and up to 300,000 stars.
astronomy planetarium sky simulator atlas skymap starmap stars planets comets asteroids dsos galaxies encyclopedia dictionary multimedia
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