Rubin telescope should find more of Earth's mysterious 'mini-moons' — including some we can study up close
October 27, 2026
Earth almost always has more than one moon. The others are just very small, and they never stay long — but they could provide accessible and unique insights into the solar system.
Temporary satellites, or mini-moons, are small asteroids that wander into Earth’s neighborhood and get captured briefly by our planet’s gravity. A typical one stays about nine months and circles Earth roughly…