Dynamical simulations show mm-sized meteoroids impacting Earth below 17 km/s are mostly asteroidal if released in the last 150-200 kyr, with cometary fraction rising above that speed and dominating above 27 km/s.
, author Rudawska, R
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The 2023 February 27 fireball observed with ALIS_4D has a trajectory and orbit consistent with an Apollo-family asteroid parent body, with a computed strewn field along the Kiruna-Gällivare border in northern Sweden.
citing papers explorer
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The Dynamical Origin of Millimetre-Sized Sporadic Meteoroids
Dynamical simulations show mm-sized meteoroids impacting Earth below 17 km/s are mostly asteroidal if released in the last 150-200 kyr, with cometary fraction rising above that speed and dominating above 27 km/s.
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Observations of the 2023 February 27 fireball in northern Sweden using the auroral imaging system ALIS_4D
The 2023 February 27 fireball observed with ALIS_4D has a trajectory and orbit consistent with an Apollo-family asteroid parent body, with a computed strewn field along the Kiruna-Gällivare border in northern Sweden.