September 12, 2019 12:49:48 UTC – A large meteor came down over Europe and was detected by The Center for Near Earth Object Studies (CNEOS), is part of the California Institute of Technology's Jet Propulsion Laboratory. CNEOS collects data from U.S. Government sensors, and releases it for research purposes. CNEOS data is available publicly at https://cneos.jpl.nasa.gov/fireballs/.... as a half-kiloton event! There were clouds in the area at the time of the fall, so the local camera data was difficult to process precisely. Luckily CNEOS provided a trajectory, which ended up being fairly accurate. This event was definitely worth searching, because a meteorite was found the day after it happened!
AMS Event 4385-2019
Arbeitskreis Meteore e.V. Forum
|Date/Time:||09/12/2019 12:49:48 UTC|
|Reference Coordinates:||54.51°N 9.18°E Google Map|
|Reference Altitude||42 km above sea level|
|Energy / Mass Estimate:||0.48kt / 12000kg|
|Entry Speed:||20.0 km/s|
|The direction of travel of the meteoroid, relative to the ground, in clockwise degrees from North. The terms "heading" and "bearing" may be used interchangeably for projectile motion....:||8.30° N|
|Slope:||65.46° from vertical|
The videos shown here were used to calculate the trajectory in the StrewnLAB bulletin, attached below.
Security camera at a shipbuilding company near Marknesse, Netherlands
We reported on September 20th, 2019, there was a Rock Found Near Flensburg…, but details of the find were not released until later on the German forum, Arbeitskreis Meteore e.V. that there was a ~25 gram Typically, meteoroids breaks apart during flight through the atmosphere. Much of the material evaporates in a process called ablation, leaving only small stones to find. Occaisionally, large meteor events can drop meteorites as large as several kilograms, but it is much more likely to find the smaller, more numerous fragments, in the 10 to 100 gram size range.... located near Flensburg Airport the day after the event!
Read this initial reportt from Andreas Moeller, on AKM e.V. Forum:
As some of you have certainly heard, Sirko [Molau] gave a talk at the IMC in Bollmannsruhe, about the fireball over the North Sea and also reported on a possible find. The following happened: One day after the event, someone from Flensburg reported on the fireball reporting form with a photo of a meteorite he allegedly found. Afterwards, AKM contacted this person and examined the meteorite. I would like to mention here that the person has requested absolute discretion and the exact location of the meteorite is kept secret. For this reason, the Kong-Arrildshoj Park, in the western part of Flensburg is indicated as the find location. At this point, I would like to give a big thank you to Dieter Heinlein, who has worked hard to ensure that the find is scientifically studied. Maybe Dieter will write a few more details. Currently it seems to be a very light (~ 2g / ccm) CC [Carbonaceous Chondrite] with a striking rusty color. Here are two photos from Carsten [Jonas].As reported by Andreas Moeller, on AKM e.V. Forum, a German forum on atmospheric phenomenon [Translated from German]
You can also read more about the find on Karmaka Meteorites website.
This meteorite was classified as “C1-ung”, an ungrouped carbonaceous chondrite of petrologic type 1. This is an extremely rare type! In fact, there are only two other C1 chondrites in the Meteoritical Society database, one from Antarctica, and one from the Apollo 12 Moon Mission! That makes this Flensburg meteorite, the largest of its kind ever classified!
Data & Reports
The latest version of the StrewnLAB Bulletin includes location and density data from the find, described above. I would like to think that the Version 3 prediction was actually correct, but the probability of finding a carbonaceous chondrite was low and the map indicated it as such. I do include this possibility in my simulations, by generating 5% of the meteorites as carbonaceous, to represent the actual probability of that meteoroid material in witnessed fall data. You can read more about my simulation methods in the StrewnLAB and Monte Carlo articles.
You will find the latest A computer simulation program, written by Jim Goodall. For more information, please visit the StrewnLAB Page.... Bulletin and The geographic area where meteorites landed, from a specific meteor event. The strewn field size and shape are affected by the size of the event, the slope of the meteor, and the wind speed and direction. Generally speaking, meteors that come in a steep angle will generate smaller strewn fields than those that come in at a shallow angle. The presence of wind will affect the size and shape of the strewn field by scattering... KML or KMZ files are often used to share geographic data and they are most often used in Google Earth software. KML stands for Keyhole Markup Language, which is an XML notation used to store geographic data in the files. KMZ files are simply a zipped version of KML files, which can also contain image overlays and other referenced content. On most meteor events documented on Strewnify, you will find an attached KMZ file, containing... file for the Flensburg, Germany event attached below. Notes on the latest version can always be found in the log at the end of the bulletin. Good Luck!
Additional data and archived reports are available at data.strewnify.com. For access, please contact Jim Goodall.
My name is Jim Goodall, and I am an automotive controls engineer in the Detroit area, but my passion is physics. I started this website as a hobby, to support the global network of meteorite hunters.
Feel free to contact me, if you have any questions about the products on this website. Jim Goodall | Hartland, Michigan, USA | email@example.com | +1 586 709 5888