Open-Galileo

Explore Earth, stars, planets, satellites, aircraft, vessels, and street-level skies in an interactive 3D astronomy experience. JavaScript and WebGL are required to launch the explorer.

Open-Galileo

Search stars, deep-sky objects, and satellites

Layers

Rendered layers Changes apply immediately

Objects Stars Deep-sky objects Satellites Aircraft Vessels Solar system

Constellations Major Minor Zodiac / astrology

Overlays Labels

Lat Lon

Language

Loading dataset...

Interactive sky and orbit viewport

ModeGlobe

UTC--

Speed Live

Telescope 180° · mag 6.0

Selected object

Privacy & cookies

We use only necessary browser storage to secure your session, remember this notice, and keep your language preference. We do not use advertising or analytics cookies.

Current storage

How Open-Galileo uses browser storage

Necessary storage

The session cookie protects your account and expires after 15 minutes without activity. A notice cookie lasts 180 days, and your selected language remains until browser storage is cleared.

Google sign-in

Google Identity Services may use its own storage to provide sign-in. Open-Galileo never receives your Google password or Google access token.

No advertising tracking

Open-Galileo does not use advertising or analytics cookies and does not sell or share personal information for behavioral advertising.

Your browser is sending a Global Privacy Control signal. Open-Galileo does not sell or share data for advertising.

Read the full privacy and cookie policy

Your sky, remembered

Explore what is moving above you.

Save stars, satellites, and aircraft. Set a home location now, then choose which overhead passes you want to hear about later.

Save objects Set your sky Plan pass alerts

Checking your session…

We store your Google account ID, verified email, display name, and preferences. We never store your Google password or Google access token.

Observer profile

Your Galileo

Signed in

Preferences

Language

Defaults to your browser or device language until you choose one.

Home sky

Used for local sky orientation and future pass alerts.

Label

Latitude

Longitude

Timezone

Saved objects

Select an object and choose “Save object.”

OpenAI connection

Optional bring-your-own-key access for AI star field guides.

Encrypted

OpenAI Platform API key

The secret is encrypted before database storage, is never returned to this browser, and is only decrypted server-side when an AI feature makes a request. Use a restricted project key with a spend limit.

Street View Module