was a small, two-metre

Apollo Apollo is one of the Twelve Olympians, Olympian deities in Ancient Greek religion, ancient Greek and Ancient Roman religion, Roman religion and Greek mythology, Greek and Roman mythology. Apollo has been recognized as a god of archery, mu ...

near-Earth asteroid A near-Earth object (NEO) is any small Solar System body orbiting the Sun whose closest approach to the Sun (perihelion) is less than 1.3 times the Earth–Sun distance (astronomical unit, AU). This definition applies to the object's orbit aro ...

that disintegrated in Earth's atmosphere at 21:22

UTC Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communica ...

on 11 March 2022, over the

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

southwest of the Norwegian island

Jan Mayen Jan Mayen () is a Norway, 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: la ...

. With an atmospheric entry speed of , the asteroid's impact generated a 4-kiloton-equivalent fireball that was detected by

infrasound Infrasound, sometimes referred to as low frequency sound or incorrectly subsonic (subsonic being a descriptor for "less than the speed of sound"), describes sound waves with a Audio frequency, frequency below the lower limit of human audibility ...

from

Greenland Greenland is an autonomous territory in the Danish Realm, Kingdom of Denmark. It is by far the largest geographically of three constituent parts of the kingdom; the other two are metropolitan Denmark and the Faroe Islands. Citizens of Greenlan ...

and Norway. A bright flash possibly associated with the event was reported by observers from

Northern Iceland Historically, Iceland was divided into four farthings (''landsfjórðungar'', singular ''landsfjórðungur'') corresponding to the cardinal directions. These were administrative divisions established in 965 for the purpose of organising regional ...

. It was discovered by astronomer

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

Konkoly Observatory Konkoly Observatory (; obs. code: 053) is an astronomical observatory located in Budapest, Hungary is part of the Research Centre for Astronomy and Earth Sciences () and belongs to thHUN-REN Magyar Kutatási Hálózat Konkoly Observato ...

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 ha ...

in Mátra Mountains,

Hungary Hungary is a landlocked country in Central Europe. Spanning much of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and ...

about two hours before impact. is the fifth asteroid discovered before impacting Earth. 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. Funct ...

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 in Norway Modern Earth impact events

See also

Notes

References

External links