The $10 billion orbiting observatory will give astronomers a better sense of the near-Earth asteroid 2024 YR4's size and position.

YR4: Should we be worried about the space rock hurtling towards Earth? - Humanity has been working on ways to deflect dangerous asteroids - but it probably won’t need it

The odds that asteroid 2024 YR4 could hit Earth in 2032 recently spiked from a little more than 1% to 2.3% as more observations are made.