Quanto sono affidabili le posizioni mostrate in SatViewer3D?

Le orbite sono calcolate tramite propagazione SGP4 basata su dati TLE aggiornati quotidianamente, con precisione entro pochi chilometri.

Si possono vedere i satelliti ad occhio nudo?

Sì! Durante il crepuscolo, quando la terraferma è al buio ma le quote orbitali sono ancora illuminate dal Sole, la ISS e Starlink sono chiaramente visibili come puntini luminosi in movimento.

Il simulatore può essere utilizzato a scopi didattici?

Certamente. SatViewer3D è gratuito, ad accesso libero e utilizzabile in scuole e atenei.

How does SatViewer3D compute real-time satellite positions?

SatViewer3D fetches official TLE (Two-Line Element) orbital sets curated by NORAD and CelesTrak. It computes precise satellite positions and velocities in real-time using the standard SGP4 (Simplified General Perturbations-4) mathematical perturbation model.

Can I track the International Space Station (ISS) in real time?

Yes! You can instantly locate and focus on the ISS via the top presets or sidebar. SatViewer3D displays its ground track, orbital altitude, velocity, and offers an immersive astronaut POV from the ESA Cupola observation deck.

Does SatViewer3D work on mobile and tablet devices?

Yes. The simulator is fully responsive with intuitive multi-touch gestures (two-finger pinch zoom, drag rotation) across iOS Safari, Android Chrome, and modern desktop browsers without requiring app installations.

What is space debris and why is it dangerous?

Space debris consists of defunct satellites, spent rocket stages, and fragments moving at orbital speeds of 7 to 8 km/s. Even millimeter-sized debris can inflict catastrophic damage to operational spacecraft, posing a threat of cascading collisions known as Kessler Syndrome.

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SatViewer3D

Simulatore 3D di Satelliti e Detriti Spaziali in Tempo Reale

⋮⋮ Drag to move

Satelliti Tracciati 0

Tempo Simulazione --:--:--

📚 Articoli Spaziali

⋮⋮ ⋮⋮ Drag Panel

🛰️ Satellites & Menu

Select / Search Satellite

💡 Switch & Track Any Satellite!

Select and track Starlink, Hubble, Himawari weather satellites, and more.

Satellite Data Source & Presets

⭐ Major Satellites Loaded

Time Controls & Simulation Speed

⏳ Historical Time Travel

Display Settings

Show 3D Satellite Labels Show Orbit Path 🌐 Multi-Lap Ground Track Atmosphere & Sunlight 2D Map Mode 🌐 Borders & Place Labels 🌌 Sun, Moon & Planets (Mars/Venus/Jupiter/Saturn) 🔭 Deep Space & JWST Probes 🔮 Space Debris Risk Analysis

Timezone Display

⋮⋮ Camera

📊 Satellite Details

⋮⋮ Drag Card

STARLINK

STARLINK-XXXX

NORAD ID: ------

Satellite Description

Altitude --- km

Velocity --- km/s

Latitude ---°

Longitude ---°

Inclination ---°

Period --- min

📡 Next Overhead Pass

Calculating... Pass Time: Calculating

🔮 Space Debris Closest Approach (MOID) 🟢 SAFE

👈

SATELLITE Off-screen (Click to move camera)

SatViewer3D User Guide & Legal Terms

🖱️ 3D Navigation Guide

Mouse Wheel / Touch: Silky smooth ultra-fine zoom in/out.
Left Drag: Rotate Earth in full 360-degree freedom.
Right Drag / Ctrl + Drag: Tilt camera and change pitch angle.
Click / Search Satellite: Select satellite to view live altitude, speed, and collision risks.
🎯 Track Camera: Auto-lock camera on moving satellite.
🔮 Space Debris Risk: Real-time 24h orbital crossing analysis (MOID).

📜 SatViewer3D Release Notes & Changelog

v2.8.0 (Latest) 2026-09-06

👨‍🚀 ISS Cupola Observation Deck (Astronaut POV) & 📱 Mobile Modern UI Overhaul

👨‍🚀 ISS Cupola Observation Deck (Astronaut POV): Experience authentic astronaut view looking down at Earth through the ESA-manufactured Cupola module with 360° drag panoramic lookaround, crisp EvenOdd SVG frame, and live daylight/night telemetry.
📱 Mobile Modern UI Overhaul: Sleek '☰ Menu ▾' dropdown consolidating header actions on mobile screens (<=768px) and seamless auto-hiding of detail cards during Cupola exploration.
📸 Ultra-HD Space Capture & 𝕏 (Twitter) Image Sharing: Instant high-resolution screenshot capture and direct image sharing to X (Twitter) with orbital telemetry metadata.
🕰️ Historical Orbit Time-Travel Presets: 1-click travel to historic space missions including Sputnik 1 (1957) and Apollo 11 Lunar Module (1969).
🔊 Cosmic Ambient Sound Engine: Synthesized procedural deep-space drones, airlock pressurization audio, and interface telemetry blips with toggleable audio controls.

v2.7.0 2026-08-22

📡 Next Pass Sky Trajectory & 💥 Space Debris Mega-Cloud (2,200+ Fragments)

📡 Astronomical SGP4/SEZ Next Pass Prediction Engine: Predicts exact date, time, and 16-compass sky trajectory (rise, max elevation, set) with live ticking countdown.
💥 Space Debris Mega-Cloud (2,200+ Fragments): New 1-click preset rendering 2,200+ real-world collision fragments (Cosmos 2251, Iridium 33, Fengyun-1C, rocket stages) at 60fps.
🔮 Full 2,200-Debris Proximity Radar: Evaluates real-time closest orbital conjunctions and 24-hour collision risk across all 2,200 debris particles.
🗺️ Smooth 2D World Map Camera Panning: Stabilizes camera view in 2D map mode when switching satellites without vertical distortion.
🛡️ Security Hardening & Multilingual Assets: XSS sanitization defenses and dynamic asset paths for seamless multilingual portals.

v2.6.0 2026-08-22

🛰️ Michibiki 7-Sat Constellation Completion & Official Spacecraft Visuals Upgrade

🇯🇵 QZS-7 (Michibiki-7) Launch Addition: Implemented orbital elements (TLE) and official 1080p 3D imagery for the newest satellite launched on H3 Rocket Flight 9 (Aug 11, 2026).
🛰️ 100% Unique Imagery for All 8 Michibiki Satellites: Individual official 1080p CG models assigned across QZS-1 through QZS-7 and QZS-1R from JAXA and Cabinet Office portals.
🇺🇸 US & Flagship Satellites Visual Upgrade: Upgraded to authentic NASA Ames 4K Starlink with single solar array, USA-245 (KH-11 Keyhole reconnaissance telescope), SBIRS, and X-37B.
🌐 14-Language Comprehensive Mission Cards: Full multilingual synchronization covering the sovereign 7-satellite constellation and joint US-Japan Space Domain Awareness (SDA) payloads.
📑 Numerical Ordering Refinement: Optimized satellite list sorting to align Michibiki 1 through 7 in clean numerical succession.

v2.5.0 2026-08-21

🪐 3D Solar System, Planetary Exploration & 14-Language Space Encyclopedia

🪐 3D Celestial Body Inspection Mode: Smooth camera fly-to, 360° D&D orbit rotation, and precision micro-zoom for Sun, Moon, Mars, Jupiter, Saturn, Uranus, Venus, and Mercury.
📷 Authentic NASA Photo Textures: Real spacecraft imagery applied to all planetary bodies for breathtaking realism.
💍 True 3D Cartesian Rings: Multi-layered gold/ice rings for Saturn (with Cassini division at 26.7° tilt) and vertical rings for Uranus (97.8° tilt).
🌡️ Dedicated Surface Temp HUD & Sunspot Physics: Comprehensive thermal metrics and scientific explanations for sunspot magnetism (~4,000°C).
🌐 14-Language Global Encyclopedia & Search: Complete localization for discovery histories, exploration missions (Apollo, Voyager, Cassini, JAXA, etc.).

v2.0.0 2026-08-20

🔮 Orbital Debris Collision Risk Radar & Starlink Constellation

🔮 24-Hour Space Debris Collision Warning: Real-time minimum orbital intersection distance (MOID) calculations.
🛰️ Starlink 2,000-Satellite Mega-Constellation: Full global orbital coverage grid rendered directly in the browser.
📡 GPS-Based Overhead Pass Forecast: Live visible pass countdown, max elevation, and sky trajectory.

v1.0.0 2026-08-20

🌍 SatViewer3D Official Launch

Initial release of high-precision real-time 3D satellite and space debris orbit simulation platform.

⚠️ Disclaimer

All orbital data, positions, pass predictions, and collision risk computations provided by SatViewer3D are calculated in real-time based on public TLE data from CelesTrak and Space-Track for educational, research, and observational purposes.

Data is not intended for operational spacecraft maneuvers or collision avoidance navigation. The operator assumes no liability for damages resulting from the use of this service.

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ℹ️ About SatViewer3D

SatViewer3D is a real-time 3D visualization simulator for Earth-orbiting artificial satellites (ISS, Starlink, weather satellites) and space debris.

🌋 Sister Service: QuakeViewer3D

Explore global real-time seismic activity, hypocenter focal depth, tectonic plate boundaries, and internal Earth mantle cross-section cutaway in full 3D.

🌋 Launch QuakeViewer3D →

Data & Orbit Sources: NORAD / Space-Track (Public TLE Data), JAXA & NASA

Domain: satviewer3d.com

Contact: For inquiries and suggestions, please contact [email protected]

Computing & loading satellite orbits...

📜 Space Data & Satellite Guide ▼

SatViewer3D

STARLINK-XXXX

Meccanica Orbitale, Tracciamento Satelliti e Fisica Spaziale

🔬 Propagazione Orbitale SGP4 e Insiemi TLE

📐 Modello SGP4 (Simplified General Perturbations-4)

⏱️ Sincronizzazione UTC al Millisecondo e Macchina del Tempo

🌍 Classificazione delle Orbite Terrestri

🛰️ Orbita Terrestre Bassa (LEO)

🛰️ Orbita Terrestre Media (MEO)

🛰️ Orbita Geostazionaria (GEO)

🚀 Il Ruolo dell'Italia e dell'Europa nello Spazio

🇮🇹 Cupola della ISS (Thales Alenia Space)

🛰️ Costellazione Radar COSMO-SkyMed

🚀 Vettore Vega e Satelliti PRISMA

🔭 Telescopi Hubble e James Webb

💥 Il Problema dei Detriti Spaziali e Sindrome di Kessler

🔮 24-Hour Orbital Proximity Radar

❓ Frequently Asked Questions (FAQ)

📚 Articoli Spaziali

ISS Orbit Tracker & Guide

SpaceX Starlink Constellation

Space Debris Crisis & Kessler Syndrome