¹Anna Zappatini et al. (>10)
Meteoritics & Planetary Science (in Press) Open Access Link to Article [https://doi.org/10.1111/maps.70110]
¹Institute of Geological Sciences, University of Bern, Bern, Switzerland
Published by arrangement with John Wiley & Sons

A fireball camera system installed in 2022 by the Oman Meteorite MonitoringProject (OMMP) as part of the Global Fireball Observatory (GFO) recorded a 3.2 s fireballon March 8, 2022 at 8:15 p.m. UTC. A meteoroid of 4 2 kg entered the atmosphere at14.0 km/s. Its trajectory, with a slope of 68.4°, started at 67.6 km and ended at 30.2 kmwhere the meteoroid traveled at 7.36 km/s. Approximately 50 g survived atmospheric entry.On February 7, 2023, two meteorites of 13.85 g and 8.21 g were recovered at the predictedsite. Gamma spectrometry confirmed their young terrestrial age via short-lived cosmogenicradionuclides 54 Mn and 22 Na. Al-Khadhaf is thus the first camera-observed meteorite fallfrom Oman. Petrography and mineral composition classify it as an ordinary H5–6 S2 W1chondrite. Its pre-impact orbit (a = 1.72 AU, e = 0.45, i = 4.36°) is consistent withasteroid-belt delivery, with both inner-belt and Koronis-family sources remaining plausible.The cosmic ray exposure age of 8.57 1.2 Ma coincides with an exposure-age peak observedamong H chondrites. Al-Khadhaf adds to the record of camera-observed falls, linkingmeteorite compositions to their solar system context via orbit calculations.