Astronomers: Our Planet Might Have Another Moon, Except It’s Tiny – Futurism

Mini-Moon

The Earth might have asecond Moon albeit a tiny and temporary one.

Earth has a new temporarily captured object/Possible mini-moon called 2020 CD3, wrote Kacper Wierzchos, astronomer and self-described comet hunter at the Catalina Sky Survey, in a Tuesday tweet. On the night of Feb. 15, my Catalina Sky Survey teammate Teddy Pruyne and I found a 20th magnitude object.

A team of astronomers at the NASA-funded Catalina Sky Survey near Tuscon, Arizona suspect theres a small asteroid that caught itself in our planets gravity, as CNET reports. The discovery was confirmed when The International Astronomical Unions Minor Planet Center (MPC) announced on Tuesday that Earth has a new temporary captured object.

According to Wierzchos, the comet entered Earths orbit about three years ago. Its diameter is between 1.9 and 3.5 meters (6.2 and 11.5 feet). Despite its tiny size, its a big deal as out of ~ 1 million known asteroids, this is just the second asteroid known to orbit Earth, Wierzchos noted in a follow-up tweet.

The first asteroid tobe discovered orbiting our planet was RH120, also discovered by the Catalina Sky Survey in 2006. It featured a similar diameter, stayed in orbit for 18 months, and was later given minor planet designation in 2008.

Astronomers are now racing to find out more about the unusual space rock.

Further observations and dynamical studies are strongly encouraged, wrote the MPC in its announcement.

READ MORE: Astronomers say Earth might have a new mini-moon [CNET]

More on asteroids: Europes Space Agency Joins Mission to Deflect Killer Asteroids

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Astronomers: Our Planet Might Have Another Moon, Except It's Tiny - Futurism

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