Austrian INSPIRE

near earth objects

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near earth objects
According to the Action Team on Near-Earth Objects established by the Committee on the Peaceful Uses of Outer Space , a near-Earth object (NEO) is an asteroid or comet whose trajectory brings it within 1.3 astronomical units of the Sun and hence within 0.3 astronomical units, or approximately 45 million kilometres, of the Earth’s orbit. This includes objects that will come close to the Earth at some point in their future orbital evolution. NEOs generally result from objects that have experienced gravitational perturbations from nearby planets, moving them into orbits that allow them to come near to the Earth. A near-Earth asteroid is said to be a potentially hazardous asteroid when its orbit comes within 0.05 astronomical units of the Earth’s orbit and it has a measured absolute magnitude H<22 mag (an estimated diameter greater than 140 meters).
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Label Governance level Status
meteorite impact national-technical Valid
Airburst national-technical Valid
Collision national-technical Valid
Shockwave national-technical Valid