Asteroids Earth NASA

NASA keeps a close watch on NEOs. Some asteroids go in front of and behind Jupiter.

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Asteroids are left over from the formation of our solar system.

. Lucy will be the first space mission to study Jupiters Trojan asteroids. This interactive visualization uses data from JPLs Center for Near Earth Object Studies CNEOS which computes high-precision orbits for Near-Earth Objects NEOs in support of NASAs Planetary. Scientists continuously monitor Earth-crossing asteroids whose paths intersect Earths orbit and near-Earth asteroids that approach Earths orbital distance to within about 28 million miles 45 million kilometers and may pose an impact danger. The Trojans may be remnants of the primordial material that formed the outer planets and serve as time capsules from the birth of our solar system more than 4 billion years ago.

Radar is a valuable tool in detecting and monitoring potential impact hazards. By reflecting transmitted signals off. 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. Visit NASA Space Place for more kid-friendly facts.

These are called Trojan asteroids. Asteroids that come close to Earth are called Near Earth Objects NEOs for short.

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