Asteroid 2024 YR4: Plans to Protect the Moon

Asteroid 2024 YR4 caused concern last year when it was discovered adn initially calculated to have a 3 percent chance of hitting Earth. Subsequent modeling has refined these predictions, eliminating the threat to Earth, but revealing a 4 percent chance of impacting the Moon in December 2032.

as the projected impact date approaches, scientists will refine probability assessments. Together, engineers and scientists are developing contingency plans to prevent a collision with our natural satellite.

A new paper from NASA and collaborating researchers details potential missions and timelines to safeguard the Moon from a significant asteroid impact within the next decade.

Related: 2032 ‘City-Killer’ Impact Threatens Earth’s Satellites, Study Finds

Currently, there are no established plans for a permanent human presence on the Moon. Thus, a direct impact wouldn’t immediately affect human activities. However,an asteroid of this size could generate a substantial debris field,increasing the flux of micrometeoroids impacting Earth by up to 1,000 times the normal background average for several days.

While this event would create a breathtaking meteor display, it would also pose a risk to Earth-orbiting satellites and astronauts aboard the ISS or other space stations – assuming they remain operational in 2032.

If 2024 YR4 is indeed on a collision course with the Moon – a scenario that remains unlikely – there are two primary response options: deflection or destruction.

Deflection is the preferred approach. A slight alteration to its orbital path would ensure it misses both Earth and the Moon. Earlier intervention requires a smaller course correction,making proactive measures more effective.

Accurate deflection, however, necessitates a precise determination of the asteroid’s mass.

We have a reasonable estimate of its diameter – approximately 60 meters (about 200 feet), with a margin of error of 10 percent. However, mass estimations depend on its density, which is difficult to ascertain from a distance.

The asteroid’s weight could range from 51 million kg to over 711 million kg, and t