Astronomers have identified a small asteroid named 2026 QQ8 that has temporarily become a natural satellite of Earth, commonly referred to as a mini-moon.
The asteroid was first observed in August 2026, and its discovery was reported by the International Astronomical Union’s Minor Planet Center on 29 October 2026. Orbital calculations indicate that it entered a temporary Earth-bound orbit around April 2026 and is expected to leave Earth’s gravitational capture in early 2027.
Key Highlights
- Asteroid designation: 2026 QQ8.
- Approximate diameter: 2 metres.
- First observed: August 2026.
- Temporary capture: Around April 2026.
- Expected departure: Early 2027.
- Orbital period around the Sun: Approximately 359 days.
- Closest estimated distance from Earth: About 568,000 kilometres.
What Is a Mini-Moon?
A mini-moon is a small natural object, generally an asteroid, that becomes temporarily gravitationally captured by Earth. Unlike the Moon, which is Earth’s permanent natural satellite, mini-moons eventually escape and continue their journeys around the Sun.
The discovery of 2026 QQ8 provides scientists with opportunities to study near-Earth objects, temporary gravitational capture and asteroid orbital dynamics.
Important Facts for Exams
| Question | Answer |
|---|---|
| Name of asteroid | 2026 QQ8 |
| Type of object | Temporary natural satellite |
| Approximate size | 2 metres |
| Discovery reporting organisation | Minor Planet Center |
| Expected departure | Early 2027 |
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