Earth-grazing meteoroid of 13 October 1990

Earth-grazing meteoroid of 13 October 1990

Sky photo with the Earth-grazing meteoroid of 13 October 1990, as the faint near-vertical track just to the right of the pole star, taken at Červená hora, Czechoslovakia.
Date	13 October 1990; 33 years ago (1990-10-13)
Time	03:27:16±3 UT
Duration	9.8 seconds[1]
Location	Czechoslovakia, Poland
Coordinates	49°03′00″N 17°39′00″E / 49.050°N 17.650°E / 49.050; 17.650 (begin) (begin) 52°40′59″N 17°04′01″E / 52.683°N 17.067°E / 52.683; 17.067 (end) (end)
Type	Ordinary chondrite
First reporter	Petr Pravec, Pavel Klásek, Lucie Bulíčková
Filmed by	European Fireball Network

On 13 October 1990, meteoroid EN131090, with an estimated mass of 44 kg, entered the Earth's atmosphere above Czechoslovakia and Poland and, after a few seconds, returned to space. Observations of such events are quite rare; this was the second recorded using scientific astronomical instruments (after the 1972 Great Daylight Fireball) and the first recorded from two distant positions, which enabled the calculation of several of its orbital characteristics. The encounter with Earth significantly changed its orbit and, to a smaller extent, some of its physical properties (mass and structure of its outer layer).