Astronomers discover asteroid 2025 PN7, earth's latest quasi-satellite, revealing insights into planetary dynamics and ...

At its nearest, 2025 PN7 comes 186,000 miles (299,337 kilometres) from Earth. Its average distance is about 238,855 miles ...

Our planet has apparently had a small companion that went undetected for decades. What took so long to find it and why was it hidden?

Astronomers discovered a small quasi-moon named 2025 PN7 orbiting near Earth, first observed on August 2, 2025, from Hawaii’s ...

Aside from 2025 PN7, there are 7 other quasi-moons, according to the Planetary Society, which they refer to as “a gravitational sleight of hand.” From our terrestrial point of view, they may appear to ...

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers ...

A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our ...

Related reading: Earth's temporary extra satellites may have an unexpected origin.

The region where the gravitational influence of Earth is the dominant force, is called the Hill Sphere. This extends up to 1.5 million kilometers (almost a million miles) away. If a small asteroid ...

Astronomers have found yet another quasi-moon companion of Earth in its orbit around the Sun believed to be a chunk of our ...