Östhammar, Sweden – March 16, 2021, 7:10 PM local time, cameras belonging to the Norwegian Meteor Network, detected a meteor, travelling southeast along the coast of Uppsala county in Sweden, and ending above the nuclear power plant at Forsmark. The event was small, but speed of entry was also relatively slow, so there is a slim chance of finding meteorites.
|Entry Date/Time:||2021-03-16 18:09:47 UTC|
|End Location:||near Forsmark, Sweden|
|Reference Coordinates:||60.41°N 18.09°E|
|Reference Altitude:||29.9 km above sea level|
|Energy / Mass Estimate:||<0.01kt TNT / < 50kg|
|Reference Speed:||12.9 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.:||141.3° SE|
|Slope:||64.1° from vertical|
|Predicted Strewn Mass:||< 18 kilograms|
|Event Links:||Norsk Meteornettverk|
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StrewnLAB Search Area
We have calculated a predicted 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,..., based on the published trajectory from the Norwegian Meteor Network. We have fair confidence in the trajectory, and atmospheric stability was good, so the search area should be accurate. Please download and review the Google Earth files below for detailed maps of the search area.
The weather data below is sourced from weather balloons, and publicly available via NOAA’s Integrated Global Radiosonde Archive (IGRA). This data is downloaded and post-processed by the A computer simulation program, written by Jim Goodall. For more information, please visit the StrewnLAB Page. algorithm, to account for changing weather patterns and weather balloon drift. The plots have altitude on the y-axis, in kilometers above sea level. The wind speed below 10km has large effect on the drift of meteorites.
My name is Jim Goodall, and I am an automotive controls engineer in Michigan, 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