![]() The remaining targets had only partial or flat light curves and no period could be resolved from the periodogram. A rotation period was extracted for nine NEAs that were observed for long enough to resolve a light curve period. This confirmation was only possible by including the Q-type asteroids in the classification and being able to differentiate between the C-complex and Q-type asteroids with two colours and a ML approach. The fraction of meteorite falls due to ordinary chondrites are similar to the combined fraction of Scomplex and Q-type asteroids in this study (∼80%). A notable result of this study is the confirmation of the prediction that the most common meteorite, ordinary chondrites, are due to S-complex and Q-type asteroids. New taxonomic classes are reported for 11 of the targets. A distinct taxonomic class was assigned to 15 NEAs that had a probability >50% in a specific taxonomy. In this thesis, the taxonomic probabilities are reported for all of the targets. The taxonomies considered were the S-, C-, and X-complexes, and the D-, Q-, and V-types. The taxonomic probabilities were determined with the colours g0−r 0 and r0−i 0, in combination with a machine learning (ML) algorithm trained on synthetic colours from observed spectra obtained from literature. ![]() Characterisation involved assigning taxonomic probabilities to each NEA based on spectra from the Bus-DeMeo classification scheme and thereby inferring its most probable composition, as well as using a Lomb-Scargle periodogram to extract the rotation period from multi-band photometry. NEAs have orbits that come close to or cross the Earth's orbit and therefore some could have impacting trajectories and pose a threat. Near-Earth Asteroids (NEAs) are a population of asteroids in a steady state, constantly being replenished with asteroids from the main belt. ![]()
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