Investigation of the Ozerki meteoroid parameters

In the morning of June 21, 2018 (1:16 Universal Time (UTC)) the space body entered the Earth atmosphere in the Lipetsk region, Russia. This event was detected by a number of registration systems in cars, satellite observations of bolide light curve and subsequent dust trail. The videos, photos, satellite data allow us to calculate the trajectory and the orbit of the Ozerki bolide. The atmospheric entry velocity is 14. 9 +/- 1 km/s. The height of the depression point is 32.8 +/- 0.9 km and that of the maximum brightness is 27.2 +/- 0.9 km. The pre-atmospheric orbit of the Ozerki meteoroid was also calculated: q = 0.67 +/- 0.04 AU, a = 0.84 +/- 0.02 AU, e = 0.199 +/- 0.030, i = 18.44 degrees +/- 3.05 degrees, Omega = 89.6561 degrees and omega = 335.29 degrees +/- 5.15 degrees. The geocentric radiant position is RA = 307.51 degrees +/- 3 degrees and DEC = 43.11 degrees +/- 3.degrees The found material was called Ozerki meteorite and it is classified as an ordinary chondrite (L6). The estimated: mass of the meteoroid is 94 +/- 20 tons, the energy is 2.5 +/- 0.5 kt TNT, diameter is 3.7 +/- 0.5 m.