I heard this morning there an asteroid heading toward Earth that will enter a high orbit for some crazy amount of time like a month or two somehow. Is that what you heard about?
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The asteroid is expected to orbit from 29 September before escaping from Earth's gravity again on 25 November.
Unfortunately, the second moon is going to be too small and dim to be seen without a professional telescope.
The asteroid was first spotted by NASA’s Asteroid Terrestrial-Impact Last Alert System (ATLAS) on 7 August before scientists worked out its trajectory in a study published in Research Notes of the American Astronomical Society.
The asteroid, referred to by scientists as 2024 PT5, comes from the Arjuna asteroid belt, which contains rocks that follow an orbit quite similar to Earth’s."
I don't know what LBC is and they don't seem to have any "about" section that explains their organization, but this was the only link I could find:
A small asteroid is going to be captured by Earth’s gravitational pull and temporarily become a "mini-moon" this autumn, according to scientists.
www.lbc.co.uk