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Orrery vs Stellarium

Professional comparison and analysis to help you choose the right software solution for your needs.

Orrery icon
Orrery
Stellarium icon
Stellarium

Orrery vs Stellarium: The Verdict

⚡ Summary:

Orrery: Orrery is a free, open source software that displays an interactive model of the solar system, planets, moons and more. It provides an educational simulation showing the relative positions and motions of solar system objects.

Stellarium: Stellarium is an open-source planetarium software that shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It can be used to learn about astronomy and identify stars, constellations, planets and satellites.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Orrery Stellarium
Sugggest Score — —
Category Education & Reference Education & Reference
Pricing Open Source Open Source

Product Overview

Orrery
Orrery

Description: Orrery is a free, open source software that displays an interactive model of the solar system, planets, moons and more. It provides an educational simulation showing the relative positions and motions of solar system objects.

Type: software

Pricing: Open Source

Stellarium
Stellarium

Description: Stellarium is an open-source planetarium software that shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It can be used to learn about astronomy and identify stars, constellations, planets and satellites.

Type: software

Pricing: Open Source

Key Features Comparison

Orrery
Orrery Features
  • 3D interactive model of the solar system
  • Realistic orbital paths and rotations
  • Zoom in on planets and moons
  • Change date/time to see positions in the past or future
  • Change simulation speed
  • Add custom objects like spacecraft
  • Supports modding and plugins
Stellarium
Stellarium Features
  • Realistic 3D rendering of the night sky
  • Accurate positions of stars, constellations, planets, and satellites
  • Support for multiple languages and cultures
  • Telescope control integration
  • Scriptable via plugins
  • Multiplatform - runs on Windows, Mac, Linux

Pros & Cons Analysis

Orrery
Orrery

Pros

  • Free and open source
  • Cross-platform (Windows, Mac, Linux)
  • Educational and intuitive interface
  • Highly customizable and extensible
  • Active development community
  • Lightweight and fast performance

Cons

  • Limited built-in celestial objects (but can be expanded)
  • User interface is dated
  • Steep learning curve for advanced features
  • Lacks some visual polish
  • Documentation could be more thorough
Stellarium
Stellarium

Pros

  • Free and open source
  • Beautiful graphics
  • Very customizable
  • Great for education and outreach
  • Active development community

Cons

  • Steep learning curve
  • Complex interface
  • Requires decent graphics card for best performance
  • Limited native mobile support

Pricing Comparison

Orrery
Orrery
  • Open Source
Stellarium
Stellarium
  • Open Source

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Learn More About Each Product

Orrery
Orrery
Reviews, pricing & alternatives →
Stellarium
Stellarium
Reviews, pricing & alternatives →

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