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CruithneTopic

Cruithne

1 fact

Discover Cruithne, Earth's fascinating co-orbital asteroid often dubbed 'second moon.' Learn about its unique horseshoe orbit and why it's not a true satellite.

  • Earth60 views

    Earth Has a "Second Moon" That Is Not a True Satellite

    Asteroid 3753 Cruithne is a quasi-satellite of Earth, following a complex horseshoe-shaped orbit around the Sun that makes it appear to orbit Earth. It completes one revolution around the Sun in almost exactly the same time as our planet.