Astronomy / Space Earth has acquired a brand new moon that's about the size of a car

Manticore

Manticore
Earth might have a tiny new moon. On 19 February, astronomers at the Catalina Sky Survey in Arizona spotted a dim object moving quickly across the sky. Over the next few days, researchers at six more observatories around the world watched the object, designated 2020 CD3, and calculated its orbit, confirming that it has been gravitationally bound to Earth for about three years.
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https://twitter.com/x/status/1232460436634656769

www.newscientist.com

Earth has acquired a brand new moon that's about the size of a car

The new moon, 2020 CD3, captured by the Gemini North telescope on Hawaii’s Maunakea Earth might have a tiny new moon. On 19 February, astronomers at the Catalina Sky Survey in Arizona spotted a dim object moving quickly across the sky. Over the next few days, researchers at six more...
www.newscientist.com www.newscientist.com
 

Caramel Clown

Caramel Clown
Presumably there is a large number of objects that orbit our planet. There are definitely many temporary little moons that Earth capture. Asteroids, big rocks, etc. In fact, one of our "moons" is a dust cloud. Check it out, it's called Kordylewski cloud. Actually, two of them :)
 

Caramel Clown

Caramel Clown
Shinji Ikari said:
Do tell, my point is that a car sized asteroid can hardly be considered a moon, the smallest ones are 1 Km or so in diameter.
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Broad definition of a natural satellite or a moon is that it's a natural astronomical body that orbits a planet. Size is irrelevant. A one meter rock orbiting a planet is still technically a moon.
 
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