Sierra Nevada California meteor
© Via YouTube/Meteors
This fireball overflew Sierra Nevada on Oct. 4 at 23:46 UT (01:46 local time on Oct. 5). It was generated by a rock (a meteoroid) that hit the atmosphere at around 64000 km/h. The luminous event began at a height of about 74 km and moved eastwards. It ended at an altitude of about 26 km.