CNEOS 2014-01-08

CNEOS 2014-01-08 is an interstellar object candidate reported in June 2019 by astronomers Amir Siraj and Abraham Loeb.[1] The discovery was published as a non-peer reviewed paper in arXiv announcing a 0.45m meteor detected on January 8, 2014 in northeast coast of Papua New Guinea.[2] According to the researchers, the meteor originated from an unbound hyperbolic orbit with a confidence of 99.999%.[3] The interstellar candidate was found in data from the Center for Near-Earth Object Studies.[4] The estimated speed of the meteor, around 60-km per second, was likely produced in the innermost cores of another stellar system.[5] If confirmed, the meteor would become the third interstellar object discovered after 1I/2017 U1 (ʻOumuamua) and 2I/Borisov.[6]

A 2019 study by Jorge I. Zuluaga published as a research note by The American Astronomical Society concluded that even if the direction were completely unknown, the probability that CNEOS 2014-01-08 was hyperbolic would still be 48%.[7]

See also

References
  1. Siraj, Amir; Loeb, Abraham (2019-09-16). "An Argument for a Kilometer-Scale Nucleus of C/2019 Q4". Research Notes of the American Astronomical Society. 3 (9): 132. arXiv:1909.07286. Bibcode:2019RNAAS...3..132S. doi:10.3847/2515-5172/ab44c5. S2CID 202577998.
  2. Siraj, Amir; Loeb, Abraham (2019-06-04). "Discovery of a Meteor of Interstellar Origin". arXiv:1904.07224 [astro-ph.EP].
  3. "An interstellar meteor may have slammed into Earth". Science. 2019-04-16. Retrieved 2021-03-23.
  4. Katz, Brigit. "An Interstellar Meteor May Have Collided With Earth in 2014". Smithsonian Magazine. Retrieved 2021-03-23.
  5. Dorminey, Bruce. "Interstellar Meteor Likely Struck Earth In 2014, Say Astronomers". Forbes. Retrieved 2021-03-23.
  6. Billings, Lee. "Did a Meteor from Another Star Strike Earth in 2014?". Scientific American. Retrieved 2021-03-23.
  7. Zuluaga, Jorge I. (2019-05-03). "Speed Thresholds for Hyperbolic Meteors: The Case of the 2014 January 8 CNEOS Meteor". Research Notes of the AAS. 3 (5): 68. Bibcode:2019RNAAS...3...68Z. doi:10.3847/2515-5172/ab1de3. ISSN 2515-5172.
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