New 'Quasi-Moon' Discovered in Earth Orbit May Have Been Hiding There for Decades
Sep 14, 2025 - 16:00

Astronomers have identified asteroid 2025 PN7 as a possible quasi-moon of Earth, trailing our planet for nearly 70 years. At just 62 feet wide, it is the smallest and least stable quasi-satellite detected so far. Researchers believe advanced observatories like the Vera Rubin Observatory could uncover more hidden companions in Earth-like orbits