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The precise orbit and atmospheric trajectory of the event is presented, based on the data collected by six video stations of Polish Fireball Network (PFN). The PF120916 Piecki fireball entered Earth's atmosphere with the velocity of 16.7 +\\- 0.3 km/s and started to shine at height of 81.9 +\\- 0.3 km. Clear deceleration started after first three seconds of flight, and the terminal velocity of the meteor was only 5.0 +\\- 0.3 km/s at height of 26.0 +\\- 0.2 km. 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