Earth to Get a 'Second Moon' for Two Months Starting September 29, 2024

Strategic Insights -

This rare astronomical phenomenon will occur when the asteroid 2024 PT5, discovered by NASA on August 7, 2024, will temporarily orbit the Earth. Although only 33 feet wide, making it invisible to the naked eye, the asteroid's gravitational influence will be significant. According to the American Astronomical Society, Earth can capture asteroids from the Near-Earth object (NEO) population and pull them into orbit, creating mini-moons. The 'second Moon' will stay in Earth's orbit until November 25, 2024.

Key Takeaways:

  • The asteroid 2024 PT5, discovered by NASA on August 7, 2024, will become a temporary 'second Moon' of Earth, orbiting the planet for two months.
  • The asteroid originated from the Arjuna asteroid belt and is expected to return on November 25, 2024.
  • NASA explains that a Near-Earth Object is any object that draws into the planet due to gravitational attraction.
  • Research lead author Carlos de la Fuente Marcos categorizes mini-moon events into two types: one lasting a year or more, and the other lasting only weeks or months, like 2024 PT5.
  • The asteroid 2024 PT5 is only 33 feet wide, making it difficult to see with the naked eye.
  • Scientists will study the 'second Moon' further to gather more information.
  • A similar event occurred in 2006, where an asteroid named 2006 RH120 entered Earth's orbit for about 11 months.
  • The asteroid 2024 PT5 will be the second mini-moon of Earth in the past two decades, following 2006 RH120.

Statistics:

  • The asteroid 2024 PT5 is 10 meters wide, making it small enough that most people won't see it in the sky with the naked eye.
  • The asteroid will be in Earth's orbit for approximately two months.
  • The asteroid will originate from the Arjuna asteroid belt, where it will likely return once it leaves the planet's orbit.
  • A Near-Earth Object is any object that draws into the planet due to gravitational attraction.
  • According to the American Astronomical Society, Earth can capture asteroids from the Near-Earth object (NEO) population and pull them into orbit, creating mini-moons.

Sources:

  • "Earth will soon have a 'second moon' - at least for a little while" by FOX8 WGHP, September 18, 2024 (tweeted)
  • "Many outlets call it a 'second Moon' because it will orbit the Earth. However, the asteroid is only 33 feet or 10 meters wide, making it difficult to see with the naked eye."
  • American Astronomical Society study: 'Earth can regularly capture asteroids from the Near-Earth object (NEO) population and pull them into orbit, making them mini-moons.'
  • NASA's definition of a Near-Earth Object: 'any object that draws into the planet due to gravitational attraction.'
  • Universidad Complutense de Madrid professor Carlos de la Fuente Marcos: 'Objects in the Arjuna asteroid belt are part of the near-Earth object population of asteroids and comets.'
  • ScienceAlert: 'it will return on November 8, 2055.'