Earth now officially has two Moons! According to the European Space Agency (ESA), an asteroid has started interacting with our planet thus starting what is called the mini moon phase.
The asteroid in question is named 2024 PT5 and it will remain in Earth’s vicinity for the next two months.
Measuring 10 metres or 33 feet wide, the asteroid will orbit Earth for a while. Scientists have estimated that it will break free from Earth’s grasp in late November, when the mini moon phase ends.
Earth has a new ‘mini-moon’! 🤏🌖
Asteroid 2024 PT5 has been ‘catching up’ with us for years. It recently got close enough to begin interacting with Earth’s gravity, leading to a short #MiniMoon phase from now until late November during which it will be bound to our planet. pic.twitter.com/v6FWoG67An
— ESA Operations (@esaoperations) September 24, 2024
“Asteroid 2024 PT5 has been ‘catching up’ with us for years. It recently got close enough to begin interacting with Earth’s gravity, leading to a short #MiniMoon phase from now until late November during which it will be bound to our planet,” ESA said in a post on X.
It explained that an asteroid becomes a mini moon when it is close enough to feel the gravitational influence of a planet, more than the Sun. All asteroids and comets that pass close to Earth are actually orbiting the Sun since it has the greatest gravitational pull of all objects in the solar system.
Any space rock must be within 4.5 million km from Earth and must be travelling relatively slowly – at about 3,540 km per hour – for it to get caught by its gravity.
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Scientists say that asteroid 2024 PT5 will be released around November 25 and fall behind our planet as it returns to its orbit around the Sun.
Unfortunately, the asteroid is too small and thus isn’t bright enough to be seen from the naked eye. High-power telescope, if you have one, could be your best bet to spot it.
This mini moon of Earth was discovered in August this year and is believed to have originated from the Arjuna asteroid belt – which comprises a group of near-Earth asteroids in our solar system. The belt has an average distance of 150 million km from the Sun – similar to our planet.
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(Image: NASA/ESA)