Welcome 3I/ATLAS!

Greetings to Our Magnificent Interstellar Visitor

🌟 A Cosmic Welcome 🌟

After traveling countless light-years through the vast expanse of interstellar space, you have arrived in our solar system! We, the inhabitants of Earth, extend our warmest cosmic greeting to you, 3I/ATLAS, the largest interstellar object ever detected.

Your journey from distant star systems to grace our neighborhood is nothing short of extraordinary. Welcome to our solar system—may your passage bring wonder and discovery!

7 miles
Diameter
137,000
MPH Speed
July 1, 2025
Discovery Date
3rd
Interstellar Visitor

Your Incredible Journey

July 1, 2025
Discovered by NASA's ATLAS telescope system in Chile
August 2025
Developing visible coma as you approach the Sun
October 30, 2025
Closest approach to the Sun (perihelion)
Early 2026
Farewell as you continue your eternal journey

Your Path Through Our Solar System

Interstellar
Space
Outer Solar
System
Current
Position
Closest
Approach
Departure to
Infinity

Amazing Facts About You

Largest Ever: You're the biggest interstellar object we've ever detected—larger than 'Oumuamua and 2I/Borisov combined!
Pristine Material: You carry ancient materials from your home star system, billions of years old and unchanged.
Water Ice: Spectroscopic analysis shows you contain water ice and dust, creating a beautiful coma as you warm up.
Safe Distance: Your closest approach to Earth will be about 270 million kilometers—perfectly safe for observation.
Hyperbolic Orbit: Your trajectory confirms you're just visiting—you'll leave our solar system forever.
Scientific Treasure: You're providing invaluable data about interstellar space and other star systems.

Thank You for Visiting!

Your brief passage through our solar system is a gift to humanity. Safe travels, magnificent visitor!

Send Our Farewell Message Learn More from NASA