Summary:
- The small asteroid that recently passed close to Earth may have originated from the Moon, according to new research.
- The asteroid, named 2020 CD3, was only about 6 feet (1.9 meters) wide and orbited the Sun for about three years before making a close approach to Earth in February 2020.
- Observations and calculations suggest 2020 CD3 was likely a fragment that broke off from the Moon and then spent time in Earth's orbit before eventually escaping and continuing on its own path.