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On March 1, 2008 at about 22:45 UT a very bright (Mv = -17) fireball was observed over north of Italy, Switzerland, south-eastern France and Southern Germany. The observed provisionally trajectory was from south-east (mean Azimut 140°, inclination 50°-60°) to north-west and pass near the zenit of Milano. The colour of the fireball was green-blue with a persistent white filamentary trail. The meteoroid fragmented, with some very bright flares, at the trajectory end. Some eyewitness report elettrophonic sounds simultaneously to the flares.
The mean geometric impact point of the fireball trajectory is located at lat. +46°N, long. +9°E, near the city of Lugano. The fireball start the dark fly at a quote of 25-30 km above the Earth surface (Lat. 45.9°N, 9.1°E). The apparent radiant is located near Denebola in AR 11h 40m, dec +12°. With a reasonable assumption for the geocentric velocity of 15-20 km/s, the eliocentric orbit is near the ecliptic, with aphelion at 1.4 UA and perielion at 0.6 UA. For a geocentric velocity of 30 km/s, the perielion is a 0.5 UA, instead the aphelion grow to 5 UA.
The ITAlian Superbolide Network (ITASN) has collected numerous visual observations, but more witnesses are necessary in order to study the atmospheric trajectory of the meteoroid.
Originally posted by hsur2112
Good find celinehagbard and good job finding that article internos. When do you sleep?
I know that earth grazing meteors/bollides are common, however, it is surprising to me is the frequency of these things lately. Is it just me?
Originally posted by hsur2112
I know that earth grazing meteors/bollides are common, however, it is surprising to me is the frequency of these things lately. Is it just me?