NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile
NASA Asteroid Watch

@asteroidwatch

@NASA’s Planetary Defense Coordination Office detects, tracks, and characterizes Near-Earth Objects to enable mitigation of potential future impacts.

ID: 23503181

linkhttps://www.nasa.gov/planetarydefense/overview calendar_today09-03-2009 21:18:32

3,3K Tweet

1,2M Followers

130 Following

NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile Photo

New observations of 2024 YR4 have enabled planetary defense experts to refine the asteroid's chance of impact in 2032. As nightly observations continue, the impact probability will continue to be updated. Learn more: go.nasa.gov/3I0ZA7K

New observations of 2024 YR4 have enabled planetary defense experts to refine the asteroid's chance of impact in 2032. As nightly observations continue, the impact probability will continue to be updated.

Learn more: go.nasa.gov/3I0ZA7K
NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile Photo

Observations made on Feb. 19 – 20 of asteroid 2024 YR4 have further decreased its chance of Earth impact on Dec. 22, 2032, to 0.28%. NASA’s planetary defense teams will continue to monitor the asteroid to improve predictions of its trajectory. More: go.nasa.gov/3I0ZA7K

NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile Photo

You’ve heard about asteroid 2024 YR4, so let’s talk about it. What are the chances it’ll hit Earth? Why do those odds keep changing? Should you be worried? (Spoiler alert: No). Get the facts from a NASA expert and find the latest info on this asteroid at: blogs.nasa.gov/planetarydefen…

NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile Photo

All clear: NASA analysis drops asteroid 2024 YR4's impact probability to 0.004%, meaning it is expected to safely pass by Earth in 2032. NASA’s #PlanetaryDefense team will continue to monitor all known asteroids that may come our way. Learn more: go.nasa.gov/3I0ZA7K

NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile Photo

What do we know about asteroids & comets in Earth's celestial neighborhood? #PlanetaryDefense, which includes finding, tracking & characterizing near-Earth objects, is part of NASA's mission. Here's what we've found thus far: go.nasa.gov/414oCMc

What do we know about asteroids &amp; comets in Earth's celestial neighborhood? #PlanetaryDefense, which includes finding, tracking &amp; characterizing near-Earth objects, is part of <a href="/NASA/">NASA</a>'s mission. Here's what we've found thus far: go.nasa.gov/414oCMc
NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile Photo

Thanks to #PlanetaryDefense efforts at NASA and across the globe, we have discovered over 11,200 near-Earth #asteroids bigger than 140 meters wide - a size of asteroid big enough to cause regional damage in the event of an Earth impact. đź”­ Learn more: go.nasa.gov/414oCMc

NASA JPL (@nasajpl) 's Twitter Profile Photo

We're excited to have NEO Surveyor back at JPL for the next portion of its assembly! For the next several weeks, engineers and technicians will be working on the asteroid-hunting telescope's instrument enclosure. Learn more: blogs.nasa.gov/neosurveyor/20…

NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile Photo

Thanks to NASA Webb Telescope, we have more information about asteroid 2024 YR4. It's about the size of a 10-story building. Based on data from Webb and ground-based telescopes, the asteroid also has a nearly 4% chance of impacting the Moon in 2032. go.nasa.gov/42eQI8o

Thanks to <a href="/NASAWebb/">NASA Webb Telescope</a>, we have more information about asteroid 2024 YR4. It's about the size of a 10-story building. 

Based on data from Webb and ground-based telescopes, the asteroid also has a nearly 4% chance of impacting the Moon in 2032.

go.nasa.gov/42eQI8o
NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile Photo

232 That's the number of near-Earth asteroids discovered in March. NASA's Planetary Defense Coordination Office is charged with finding, tracking & characterizing near-Earth objects. Here's what we've found thus far: go.nasa.gov/414oCMc

232

That's the number of near-Earth asteroids discovered in March. <a href="/NASA/">NASA</a>'s Planetary Defense Coordination Office is charged with finding, tracking &amp; characterizing near-Earth objects. Here's what we've found thus far: go.nasa.gov/414oCMc
NASA 360 (@nasa360) 's Twitter Profile Photo

At NASA, we’re on the hunt for asteroids that could come a little too close for comfort. Learn how in our new documentary, Planetary Defenders, streaming April 16th on NASA+: go.nasa.gov/4ii29Cl

NASA (@nasa) 's Twitter Profile Photo

Finding asteroids before they find us. Meet NASA scientists working to track and monitor near-Earth asteroids, and protect our planet from potential impacts. Our newest film, "Planetary Defenders," debuts on NASA+, YouTube, and X on Wednesday, April 16.

NASA 360 (@nasa360) 's Twitter Profile Photo

Asteroids are real. So is the team keeping Earth safe from them. Our new documentary — Planetary Defenders — premieres Wednesday, April 16, 2025 on NASA+. Don't miss it: plus.nasa.gov/video/planetar…

NASA 360 (@nasa360) 's Twitter Profile Photo

We’re watching the skies so you don’t have to. Our new documentary — Planetary Defenders — premieres Wednesday, April 16, 2025 on NASA+. Don't miss it: plus.nasa.gov/video/planetar…

NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile Photo

NASA's Planetary Defense Coordination Office is on the hunt for asteroids and comets that come into Earth's celestial neighborhood. Here's what we've found so far: science.nasa.gov/science-resear…

NASA's Planetary Defense Coordination Office is on the hunt for asteroids and comets that come into Earth's celestial neighborhood. Here's what we've found so far: science.nasa.gov/science-resear…
NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile Photo

NASA's Planetary Defense Coordination Office is charged with finding, tracking & characterizing near-Earth objects. Here's what we've found thus far: go.nasa.gov/414oCMc

NASA's Planetary Defense Coordination Office is charged with finding, tracking &amp; characterizing near-Earth objects. Here's what we've found thus far: go.nasa.gov/414oCMc
NASA Asteroid Watch (@asteroidwatch) 's Twitter Profile Photo

A new observation from NASA Webb Telescope of asteroid 2024 YR4 has improved our knowledge of where the asteroid will be on Dec. 22, 2032 by nearly 20%, thus raising the chance of a lunar impact to 4.3%. 2024 YR4 is now too far to observe until 2028. go.nasa.gov/3HnB9om