was a small, metre-sized

Apollo Apollo, grc, Ἀπόλλωνος, Apóllōnos, label=genitive , ; , grc-dor, Ἀπέλλων, Apéllōn, ; grc, Ἀπείλων, Apeílōn, label=Arcadocypriot Greek, ; grc-aeo, Ἄπλουν, Áploun, la, Apollō, la, Apollinis, label= ...

near-Earth asteroid A near-Earth object (NEO) is any small Solar System body whose orbit brings it into proximity with Earth. By convention, a Solar System body is a NEO if its closest approach to the Sun (perihelion) is less than 1.3 astronomical units (AU) ...

that impacted Earth's atmosphere at 21:22 UTC on 11 March 2022, over the

Arctic Ocean The Arctic Ocean is the smallest and shallowest of the world's five major oceans. It spans an area of approximately and is known as the coldest of all the oceans. The International Hydrographic Organization (IHO) recognizes it as an ocean, ...

southwest of the

Norwegian Norwegian, Norwayan, or Norsk may refer to: *Something of, from, or related to Norway, a country in northwestern Europe * Norwegians, both a nation and an ethnic group native to Norway * Demographics of Norway *The Norwegian language, including ...

island

Jan Mayen Jan Mayen () is a Norwegian volcanic island in the Arctic Ocean with no permanent population. It is long (southwest-northeast) and in area, partly covered by glaciers (an area of around the Beerenberg volcano). It has two parts: larger ...

. With an atmospheric entry speed of , the asteroid's impact generated a 4-kiloton-equivalent

fireball Fireball may refer to: Science * Fireball (meteor), a brighter-than-usual meteor * Ball lightning, an atmospheric electrical phenomenon * ''Bassia scoparia'', a plant species Arts and entertainment Films * ''The Fireball'', a 1950 film starring ...

that was detected by

infrasound Infrasound, sometimes referred to as low status sound, describes sound waves with a frequency below the lower limit of human audibility (generally 20 Hz). Hearing becomes gradually less sensitive as frequency decreases, so for humans to perce ...

from

Greenland Greenland ( kl, Kalaallit Nunaat, ; da, Grønland, ) is an island country in North America that is part of the Kingdom of Denmark. It is located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. Greenland is ...

and Norway. A bright flash possibly associated with the event was reported by observers from Northern Iceland. It was discovered by astronomer

Krisztián Sárneczky Krisztián Sárneczky (born 6 November 1974 in Budapest) is a Hungarian teacher of geography and prolific discoverer of minor planets and supernovae, researching at Konkoly Observatory in Budapest, Hungary. He is a board member of the ''Hungarian ...

Konkoly Observatory Konkoly Observatory ( hu, Konkoly Thege Miklós Csillagászati Intézet; obs. code: 053) is an astronomical observatory located in Budapest, Hungary is part of the Research Centre for Astronomy and Earth Sciences ( hu, Csillagászati és ...

Piszkéstető Station The Piszkéstető Station or Piszkéstető Mountain Station is an astronomical observatory in Mátraszentimre in Mátra Mountains, about northeast of Hungary's capital Budapest. It is a station of Konkoly Observatory, first built in 1958. It ...

Mátra Mountains The Mátra ( sk, Matra) is a mountain range in northern Hungary, between the towns Gyöngyös and Eger. The country's highest peak, Kékestető (1014 m), belongs to this mountain range. The Mátra is part of the North Hungarian Mountains an ...

Hungary Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning of the Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croa ...

about two hours before impact. is one of only 6 asteroids to be discovered before Earth impact (along with

2014 AA 2014 AA was a small Apollo near-Earth asteroid roughly 2–4 meters in diameter that struck Earth on 2 January 2014. It was discovered on 1 January 2014 by Richard Kowalski at the Mount Lemmon Survey at an apparent magnitude of 19 using a refle ...

2018 LA 2018 LA, also known as ZLAF9B2, was a small Apollo near-Earth asteroid in mean diameter that impacted the atmosphere with small fragments reaching the Earth at roughly 16:44 UTC (18:44 local time) on 2 June 2018 near the border of Botswana and So ...

, ,

2019 MO 2019 MO, temporarily designated A10eoM1, was a small, harmless 3-meter near-Earth asteroid discovered by ATLAS–MLO that impacted Earth's atmosphere on 22 June 2019 at 21:25 UT. The impact of the bolide generated a 5-kiloton-equivalent expl ...

, and .) It was briefly listed on the

Minor Planet Center The Minor Planet Center (MPC) is the official body for observing and reporting on minor planets under the auspices of the International Astronomical Union (IAU). Founded in 1947, it operates at the Smithsonian Astrophysical Observatory. Function ...

Near-Earth Object Confirmation Page The Near-Earth Object Confirmation Page (NEOCP) is a web service listing recently-submitted observations of objects that may be near-Earth objects (NEOs). It is a service of the Minor Planet Center (MPC), which is the official international archive ...

under the temporary designation ''Sar2593''. Animation of 2022 EB5 around Sun

Notes

References

External links

2022 EB_5
Daniel W. E. Green, ''Central Bureau Electronic Telegram'', Central Bureau for Astronomical Telegrams, 13 March 2022 * * * {{DEFAULTSORT:2022 EB5 # 20220311 # Minor planet object articles (unnumbered) Predicted impact events March 2022 events

See also

Notes

References

External links