Home / Science / Earth Gains Unexpected Celestial Companion: A New 'Mini-Moon' Discovered
Earth Gains Unexpected Celestial Companion: A New 'Mini-Moon' Discovered
22 Oct, 2025
Summary
- Astronomers identify small near-Earth object 2025 PN7 as a 'quasi-satellite' of Earth
- 2025 PN7 is estimated to be 18-36 meters across and will remain in Earth's orbit until 2083
- This discovery offers a unique opportunity to study orbital dynamics and near-Earth asteroids

On 2025-10-22T08:06:49+00:00, astronomers made a surprising discovery - Earth has acquired a second moon, at least temporarily. In a twist that sounds like science fiction, researchers have identified a small near-Earth object, 2025 PN7, which is now classified as a 'quasi-satellite' of our planet.