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Earth Captures Temporary Mini-Moon 2026 QQ8

Telescope data show a natural 1–2 meter asteroid that is bound to Earth for weeks and is expected to leave the planet’s vicinity by December or January.

Overview

  • Hungarian astronomer Krisztián Sárneczky first spotted the object on the night of August 19–20, and follow-up orbit fits led the Minor Planet Center to classify it as temporarily bound to Earth on Oct. 29.
  • Large telescopes at the University of Hawaii and the Lowell Discovery Telescope measured the object and found it to be a natural rock about 1–2 meters across with no link to known artificial debris.
  • Orbital reconstructions show 2026 QQ8 crossed into Earth’s Hill sphere in late April and traced a wide, irregular loop with closest approaches in mid‑August at roughly 538,000–568,000 kilometers.
  • The mini‑moon poses no known threat because it is too small to survive passage through the atmosphere, and observers expect it to return to a solar orbit around December 2026 or January 2027.
  • Astronomers say the capture offers a short window to study tiny near‑Earth objects and their origins, a question that includes but does not prove possible lunar ejecta links and calls for continued spectral and orbital observations.