Suggested Searches

Planetary Defense

    NASA’s Webb Observations Update Asteroid 2024 YR4’s Lunar Impact Odds

    While asteroid 2024 YR4 is currently too distant to detect with telescopes from Earth, NASA’s James Webb Space Telescope collected one more observation of the asteroid before it escaped from view in its orbit around the Sun.   With the additional data, experts from NASA’s Center for Near-Earth Object Studies at the agency’s Jet Propulsion Laboratory in...

    Read Full Post

    NASA Continues to Monitor Orbit of Near-Earth Asteroid 2024 YR4

    While still an extremely low possibility, additional observations and analysis of asteroid 2024 YR4 indicate that its impact probability with Earth has increased to a 2.3% chance on Dec. 22, 2032. Ongoing observations from ground-based telescopes involved with the International Asteroid Warning Network will continue while the asteroid is still visible through April, after which …

    Read Full Post

    NASA Shares Observations of Recently-Identified Near Earth Asteroid

    NASA analysis of a near-Earth asteroid, designated 2024 YR4, indicates it has a more than 1% chance of impacting Earth on Dec. 22, 2032 – which also means there is about a 99% chance this asteroid will not impact. Such initial analysis will change over time as more observations are gathered.    Currently, no other …

    Read Full Post

    NASA to Track Asteroid 2024 PT5 on Next Close Pass, January 2025

    The small near-Earth asteroid 2024 PT5 was first observed on Aug. 7, 2024, by the Sutherland, South Africa telescope of the University of Hawai’i’s Asteroid Terrestrial-impact Last Alert System (ATLAS), which is funded by NASA. Estimated to be about 33 feet (10 meters) wide, the asteroid does not pose a hazard to Earth. Because 2024 …

    Read Full Post