#itokawa — Public Fediverse posts

Paul Simon presents a combination of dynamical, space weathering, and spectral models to try and figure out just where near-Earth asteroids visited by spacecraft came from.

Suggests Eros, #Itokawa, #Torifune, and #Apophis all came from the main-belt asteroid Flora 1.2 billion years ago.

#ACM2026

A paper showing "that rubble pile #asteroids can survive ambient solar system bombardment processes for extremely long periods and potentially 10 times longer than their monolith counterparts", based on three regolith dust particles recovered by the #Hayabusa space probe from the rubble pile asteroid 25143 #Itokawa: https://eprints.gla.ac.uk/290972/1/290972.pdf -> ¿Y si los asteroides pila de escombros fueran casi indestructibles? Consecuencias para la defensa planetaria: https://danielmarin.naukas.com/2023/02/02/y-si-los-asteroides-pila-de-escombros-fueran-casi-indestructibles-consecuencias-para-la-defensa-planetaria/