# Planet Fun

> Solar system simulation

Canonical page: [https://chrome-stats.com/d/id1525941640](https://chrome-stats.com/d/id1525941640)

## Overview

- **ID:** `id1525941640`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Omar reis
- **Category:** Education
- **Rating:** 4.80 / 5 (8 ratings)
- **Version:** 2.1
- **Last updated:** 2023-08-11
- **First published:** 2020-08-16
- **Size:** 161 MB
- **Data as of:** 2026-09-09
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/planet-fun/id1525941640)
- **Website:** [https://github.com/omarreis/vsop2013](https://github.com/omarreis/vsop2013)
- **Privacy policy:** [https://www.tecepe.com.br/nav/opyc/opycPrivacy.htm](https://www.tecepe.com.br/nav/opyc/opycPrivacy.htm)

## Description

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:

https://github.com/omarreis/vsop2013

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)

controls:
* 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.

## Rankings

- #359,428 — Overall
- #68 — planet

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1525941640)