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1	Alcyone Ephemeris
	It calculates heliocentric, geocentric, and topocentric positions of the Sun, Moon, and planets in different coordinates and more. Alcyone Ephemeris is an accurate and fast astronomical ephemeris calculator covering the period 3000 BC to AD 3000. It ...
	Size: 9.4 MB,  Price: USD $49.00 ,  License: Shareware,  Author: alcyone software (alcyone.de)

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2	ORTWIN
	It also works with UTM coordinates, which refer to the datum ETRS89 (GRS80 / WGS84, geocentric). The functionality of the program is described in a detailed electronic manual. The program can be run on most common networks and it is possible to use ...
	Size: 3.7 MB,  Price: USD $140.00 ,  License: Shareware,  Author: Killet Softwareentwicklung GbR (killetsoft.de)

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3	Kairon 3.5
	000 locations (an additional 5MB download) - full support of daylight saving times worldwide! File Format: AAF database files: a document can hold any number of charts Graphic output: rendered via apples Quartz system in pdf Compiled: xcode, written in Cocoa and C kinds of charts: (all combinable) topocentric, geocentric, heliocentric,
	Size: 7.7 MB,  Price: USD $35.00 ,  License: Shareware,  Author: Kilian Sternad (kairon.cc)

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4	Asynx Planetarium
	Fast animations: Night sky, geocentric and heliocentric view. Parents and teachters can show the kids how the planets "dance" around the sun and how it looks different from different locations like the North Pole, New York and close to the ...
	Size: 1.7 MB,  Price: Free,  License: Freeware,  Author: Asynx GmbH (asynx-planetarium.com)
	Astronomy, Moon, Planetarium, Planets

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5	MaterialWorlds Simulations
	Play and experiment with virtual reality simulations. Live interactive physics simulations let you explore the Solar System (orbits, seasons, gravity, tides, satellites and comets), play snooker (on a full size table) and experiment with Laws of Motion ...
	Size: 3.8 MB,  Price: USD $19.95 ,  License: Shareware,  Author: MaterialWorlds (materialworlds.com)
	Acceleration, Astronomy, Comet, Crash, Earth, Equinox, Experiments, Force, Games, Geocentric, Gravity, Ideal Gas, Moon, Ocean Tides, Orbit, Pendulum, Physics, Planets, Satellite, Science

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6	GEOPosCalc
	GEOPosCalc is an easy to use and powerfull tool for coordinate systems (grid) and datum conversion. GEOPosCalc is an easy to use and powerfull tool for coordinate systems (grid) and datum conversion. It does support more than 200 predefined datums, 20 ...
	Size: 4.7 MB,  Price: USD $40.00 ,  License: Shareware,  Author: American Outland (american-outland.com)
	British, Calculator, Campo, Conversor, Coordinate, Datum, Defined, Ecef, Geocentric, Gps, Inchauspe, Latitude, Longitude, Mercator, Posgar, Position, Sweden, Swedish, Swiss, Transverse