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  1. Did you ever wonder how NASA spots asteroids that maybe getting too close to Earth for comfort? Watch and learn. Find out more about NASA finds, studies and tracks near-Earth objects by visiting https://www.nasa.gov/planetarydefense.

    • Fast Facts

      Comets typically follow long elliptical orbits in which they...

    • Eyes on Asteroids

      See thousands of asteroids and comets in real-time, see the...

  2. 1 dzień temu · The Asteroid Watch dashboard tracks asteroids and comets that will make relatively close approaches to Earth. The dashboard displays the date of closest approach, approximate object diameter, relative size and distance from Earth for each encounter.

  3. 25 mar 2023 · The near-Earth asteroid 2023 DZ2 will pass within 107,500 miles (173,000 kilometers) of Earth today (March 25), and you can watch the flyby live online.

  4. 2 lut 2024 · Here we explore whether there are any upcoming asteroid encounters and how NASA and other space agencies actively monitor near-Earth asteroids that have the potential to hit our planet.

  5. 27 cze 2024 · Shorty after 4 p.m. ET today (June 27), the mountain-size asteroid 2011 UL21 will come within 5 million miles of Earth, making it one of the largest space rocks to come that close to our...

  6. 28 sty 2024 · The asteroid will fly close to the moon just before 9 a.m. EST (1400 GMT) before zooming past Earth three and a half hours later at an estimated speed of 14,200 mph (22,850 km/h).

  7. See thousands of asteroids and comets in real-time, see the next five close approaches to Earth, and explore past, present and future missions to asteroids and comets.