Planet Fun 4+

Solar system simulation

Omar reis

Designed for iPad

    • 4.8 • 8 Ratings
    • Free



PlanetFun is a 4D solar system simulation (3D + time)
Sun, planets, Moon and star positions are calculated using
various astronomical methods.

App source code (Delphi Firemonkey) is available at:

PlanetFun features:

* Solar system animation with configurable speed
* Set any local date and time
* Choose camera target (Sun, planets, etc)
* Configurable camera distance-to-target
* Touch gestures: one finger pan, two finger zoom, two finger rotation
* show planet orbits. Each orbit is represented by 52 dots (for Earth it is one dot per week)
* Heliocentric axis (x and z)
* VSOP2013 and VSOP87 planet position calculations
* Moon positions calculations ELP2000
* Star background image with 42455 stars of the Hipparcos Input Catalogue
* Star and constellation lines and names ( a celestial sphere image )
* Constellation drawings ( 31 constellations )
* actual 3D spheres for the 150 brightest stars
* Lighthouse on Earth on your GPS position
* phone in the scene is positioned according to phone sensors (Azimuth,Elevation,Roll)
* click the phone button to enter augmented reality mode.
* Almanac module allows exploring the ephemeris calculators (stars, planets, Sun, Moon, Earth)

* camera distance and angle of view.
* planet scales
* local time, time animation speed
* control visibility of various interface elements
* app uses sensors compass, gyro and GPS - requires permission

This app collects no user data.

What’s New

Version 2.1

- Added program translations: French, Portuguese, Italian, Spanish
- Fixed phone model roll direction ( phone was rolling to the wrong side )

Ratings and Reviews

4.8 out of 5
8 Ratings

8 Ratings

App Privacy

The developer, Omar reis, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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