What is comet ‍3I/ATLAS?

Comet 3I/ATLAS is​ an interstellar‌ comet, meaning it originated outside our solar system.​ It was first observed by the‍ Minor Planet Center on‍ July ‌1, ⁣2025, ​following initial detection by the Asteroid Terrestrial-impact Last Alert System⁢ (ATLAS) survey telescope in ⁣Río Hurtado, chile. Its hyperbolic orbital path-a path that doesn’t loop around the Sun-distinguishes it from⁤ comets native to our solar system.

When astronomers traced its orbit back in time, they ​confirmed its interstellar origin. ⁤ This makes 3I/ATLAS only the third interstellar object ever ‌discovered, following‍ ‘Oumuamua and comet 2I/Borisov.

Closest Approach Details

According to⁢ The Sky live, comet 3I/ATLAS​ will⁣ be ⁤approximately 268,898,938 ‍kilometers (167,098,000 ‌miles) from Earth on December 19, 2025. This is the closest the comet will come to our planet over the‍ next 100 years.

The ‍comet ⁢reached its closest approach to the Sun on October 30, 2025, at a distance of roughly 210 million kilometers (130.5 million miles), just inside the⁤ orbit of ‍Mars.

Is 3I/ATLAS a threat to Earth?

No.NASA has confirmed that comet 3I/ATLAS poses ⁣no threat to Earth. Its⁢ trajectory will ‌keep it a safe distance from our ​planet.

Observing 3I/ATLAS

While not visible to⁢ the naked eye,3I/ATLAS⁣ might potentially be observable with a telescope,depending on light ‍pollution and viewing conditions.Astronomers are actively studying the comet to learn more about its composition and origin. the comet’s green hue, caused by the presence of diatomic carbon, is a notable feature.