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Asteroid 2025 PN7: Earth's Newly Discovered Quasi-Moon

10/28/2025

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Summary

Story summary

Astronomers discovered asteroid 2025 PN7, a quasi-moon of Earth, in August 2025 with Pan-STARRS in Hawaii.
The object has followed Earth in a synchronized orbit around the Sun for about 60 years.
It does not orbit Earth directly, but follows a similar solar path, creating the companionship impression.
The object measures 18–36 meters and is too faint to be seen without powerful telescopes.

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Story summary

Astronomers discovered asteroid 2025 PN7, a quasi-moon of Earth, in August 2025 with Pan-STARRS in Hawaii.
The object has followed Earth in a synchronized orbit around the Sun for about 60 years.
It does not orbit Earth directly, but follows a similar solar path, creating the companionship impression.
The object measures 18–36 meters and is too faint to be seen without powerful telescopes.