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Originally posted by ahnggk
2nd comment is wrong. Afterburners don't leave a long trail and a brilliant head, just a very short, consistent incandescent plume. And the object does seem to follow a ballistic path
Seasonal variation in frequency of fireball sightings
The frequency of fireball sightings increases by about 10-30% during the weeks of vernal equinox. Even meteorite falls are more common during the northern hemisphere's spring season. Although this phenomenon has been known for quite some time, the reason behind the anomaly is not fully understood by scientists. Some researchers attribute this to an intrinsic variation in the meteoroid population along Earth's orbit, with a peak in big fireball-producing debris around spring and early summer. Research is in progress for mapping the orbits of the meteors in order to gain a better understanding of the phenomenon.