COSMOS magazine: Jupiter's gravity captured a comet in the mid-20th century, holding it in orbit as a temporary moon for 12 years.
The comet, named 147P/Kushida-Muramatsu, is the fifth body known to have been pulled by Jupiter from its orbit around the Sun.
The discovery adds to our understanding of how Jupiter interferes with objects from the "Hilda group," which are asteroids and comets with orbits related to Jupiter's orbit.
Related Arxiv Paper
Quasi-Hilda Comet 147P/Kushida-Muramatsu: Another long temporary satellite capture by Jupiter
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