• Corpus ID: 252200041

Exoatmospheric detection of a meter-sized Earth impactor

@inproceedings{Clark2022ExoatmosphericDO,
  title={Exoatmospheric detection of a meter-sized Earth impactor},
  author={David L. Clark and Paul A. Wiegert and Peter G. Brown and Denis Vida and Aren N. Heinze and Larry Denneau},
  year={2022}
}
On 2020 September 18 US Government sensors detected a bolide with peak bolometric magnitude of -19 over the western Pacific. The impact was also detected by the Geostationary Lightning Mapper (GLM) instrument on the GOES-17 satellite and infrasound sensors in Hawaii. The USG measurements reported a steep entry angle of 67 ◦ from horizontal from a radiant 13 ◦ E of N and an impact speed of 11.7 km/s. Interpretation of all energy yields produces a preferred energy estimate of 0.4 KT TNT… 

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