Interstellar object · 3I/2025 N1
3I/ATLAS
Interstellar comet in 2025
Right now · as of
How far is 3I/ATLAS from Earth?
1.86 billion km (12.4 AU)
Its light takes 1 h 43 min to reach us.
1.91 billion km (12.7 AU) from the Sun.
Open in 3DWhat it is
The third known interstellar object, a comet found by ATLAS on 2025-07-01.
Its line in the space view is the real path through the solar system, 1990–2060.
In numbers
- Designation
- 3I/2025 N1
- Perihelion
- 2025-10-29
- Radius
- 2 km
- From the Sun
- 1.91 billion km (12.7 AU)
Position and orbit from JPL Horizons
3I/ATLAS
3I/ATLAS, also known as C/2025 N1 (ATLAS) and previously as A11pl3Z, is an interstellar comet discovered on 1 July 2025 by the Asteroid Terrestrial-impact Last Alert System (ATLAS) station. The comet follows an unbound, hyperbolic trajectory past the Sun, and passed by Earth at 1.8 AU, posing no threat.
From Wikipedia, CC BY-SA · Read the article