Analysis of June 2, 2016 bolide event

Abstract

On June 2, 2016 at 10h56m UTC, a $-20.4\pm 0.2$ magnitude superbolide was observed over Arizona. Fragments were located a few days later and the meteorites were given the name Dishchii'bikoh. We present analysis of this event based on 3 cameras and a multi-spectral sensor observations by the SkySentinel continuous fireball-monitoring camera network, supplemented by a dash cam footage and a fragmentation model. The bolide began its luminous flight at an altitude of $100.2\pm 0.4$ km at coordinates $\varphi =34.555\pm 0.002^{\circ }$N planetographic latitude and $\lambda =110.459\pm 0.002^{\circ }$W longitude, and it had a pre-atmospheric velocity of $17.4\pm 0.3$ km/s. The calculated orbital parameters indicate that the meteoroid did not belong to any presently known asteroid family. From our calculations, the impacting object had an initial mass of $14.8\pm 1.7$ metric tonnes with an estimated initial diameter of $2.03\pm 0.12$ m.

12 pages, 15 figures, 6 tables, accepted for publication in MNRAS

References in corpus (2)

• The Astropy Project: Building an inclusive, open-science project and status of the v2.0 core package
• The January 7, 2015, superbolide over Romania and structural diversity of meter-sized asteroids

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• Review of synergic meteor observations: linking the results from cameras, ionosondes, infrasound and seismic detectors
• Error dependencies in the space-based CNEOS fireball database