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langs: 19 декабря [ru] / december 19 [en] / 19. dezember [de] / 19 décembre [fr] / 19 dicembre [it] / 19 de diciembre [es]

days: december 16 / december 17 / december 18 / december 19 / december 20 / december 21 / december 22


Asteroid / Asteroid


#1 2012 YQ1

2012 YQ 1 is a sub-kilometer asteroid , classified as a near-Earth object and a potentially hazardous asteroid of the Apollo group , approximately 200 meters in diameter. It was first observed on 19 December 2012, by astronomers Andrey Oreshko and Timur Kryachko at the Elena Remote Observatory ( G32

#2 397 Vienna

Vienna ( minor planet designation : 397 Vienna ) is a typical Main belt asteroid . The Tholen spectral type is S and the SMASSII spectral type is K . 397 Vienna Discovery Discovered   by Auguste Charlois Discovery   date 19 December 1894 Designations MPC   designation (397) Vienna Pronunciation / v

#3 2015 YQ1

2015 YQ 1 (also written 2015 YQ1 ) is an Apollo asteroid that is a temporary horseshoe companion to the Earth , the twelfth known Earth horseshoe librator. [6] It experienced a close encounter with the Earth on 2015 December 22 at 0.0037   AU. 2015 YQ 1 Discovery Discovered   by Mount Lemmon Srvy. D

#4 772 Tanete

772 Tanete is an asteroid from the asteroid belt . Since 2004 it has been observed in stellar occultation four times. [3] Its size is best described by an ellipsoid measuring 124.1 ± 1.2   km x 116.1 ± 1.2   km . Analysis of a light curve captured during 2014 shows a synodic rotation period of 17.25

#5 774 Armor

774 Armor is a minor planet orbiting the Sun in the main belt . It was discovered on December 13, 1913 in Paris by French astronomer Charles le Morvan and was named after the Celtic region of Armorica . [2] The asteroid is orbiting at a distance of 3.05   AU with a period of 5.32   yr and an eccentr

#6 (332446) 2008 AF4

(332446) 2008 AF 4 is a sub-kilometer asteroid , classified as near-Earth object and potentially hazardous asteroid of the Apollo group , which was listed on the Sentry Risk Table in January 2008 with a Torino Scale rating of 1. [2] The asteroid showed a 1 in 71,000 chance of impact on 9 January 208

#7 2015 YU9

2015 YU 9 , also known as 2015 YB [lower-alpha 1] and WY032FF , is a sub-kilometer Hungaria asteroid from the inner region of the asteroid belt , approximately 350 meters in diameter. It was first observed on 16 December 2015, by the Catalina Sky Survey at Mount Lemmon Observatory in Arizona, United


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Comet / Comet


#1 55P/Tempel–Tuttle

55P/Tempel–Tuttle (commonly known as Comet Tempel–Tuttle ) is a periodic comet with an orbital period of 33 years. It fits the classical definition of a Halley-type comet with a period of between 20 and 200 years. It was independently discovered by Wilhelm Tempel on December 19, 1865, and by Horace

#2 117P/Helin–Roman–Alu

117P/Helin–Roman–Alu , also known as Helin-Roman-Alu 1 , is a periodic comet in the Solar System . It is a Quasi-Hilda comet . [3] Periodic comet with 8 year orbit 117P/Helin-Roman-Alu Discovery Discovered by Eleanor F. Helin Brian P. Roman Jeff Alu Discovery date October 2, 1989 Alternative designa

#3 276P/Vorobjov

276P/Vorobjov (previously P/2012 T7 (Vorobjov) ) is a Jupiter-family comet discovered on 15 October 2012 by Tomáš Vorobjov on three 120-s images taken remotely using the 0.81-m f/7 Ritchey-Chretien Schulman Telescope located at the Mt. Lemmon SkyCenter via the Sierra Stars Observatory Network in the

#4 56P/Slaughter–Burnham

56P/Slaughter–Burnham is a periodic comet in the Solar System with a period of 11.54 years. [4] Periodic comet with 11 year orbit 56P/Slaughter–Burnham Discovery Discovered by Charles D. Slaughter Robert Burnham Discovery date January 27, 1959 Alternative designations 1958 VI; 1970 V; 1981 XVIII; 19

#5 87P/Bus

Comet 87P/Bus is a periodic comet with an orbital period of 6.5 years. It fits the definition of an Encke-type comet with ( T Jupiter > 3; a < a Jupiter ). It was discovered by Schelte J. Bus in 1981 on a plate taken with the 1.2m UK Schmidt telescope at Siding Spring , Australia. The discovery was

#6 273P/Pons–Gambart

273P/Pons–Gambart , also called Comet Pons-Gambart , is a short-period comet first discovered on June 21, 1827 by Jean-Louis Pons and Jean-Félix Adolphe Gambart . It has a 186 year orbit. It fits the classical definition of a Halley-type comet with (20 years < period < 200 years). It was lost and wa

#7 C/2017 K2 (PanSTARRS)

C/2017 K2 (PanSTARRS) is an Oort cloud comet with an inbound hyperbolic orbit, discovered in May 2017 at a distance beyond the orbit of Saturn when it was 16   AU (2.4   billion   km) from the Sun. Precovery images from 2013 were located by July. [7] It had been in the constellation of Draco from Ju

#8 C/2011 W3 (Lovejoy)

Comet Lovejoy , formally designated C/2011 W3 (Lovejoy) , is a long-period comet and Kreutz sungrazer . It was discovered in November 2011 by Australian amateur astronomer Terry Lovejoy . The comet's perihelion took it through the Sun's corona on 16 December 2011, after which it emerged intact, thou


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Galaxy / Galaxy


#1 NGC 70

NGC 70 is a spiral galaxy located in the constellation Andromeda . [7] It was discovered on October 7, 1855 by R. J. Mitchell [7] and was also observed on December 19, 1897 by Guillaume Bigourdan from France who described it as "extremely faint, very small, round, between 2 faint stars" [2] Spiral g

#2 NGC 1325

NGC 1325 is a flocculent spiral galaxy situated in the constellation of Eridanus . Located about 75 million light years away, [2] it is a member of the Eridanus cluster of galaxies, [3] a cluster of about 200 galaxies. It was discovered by William Herschel on 19 December 1799. Flocculent barred spir

#3 NGC 1055

NGC 1055 is an edge-on spiral galaxy located in the constellation Cetus . The galaxy has a prominent nuclear bulge crossed by a wide, knotty, dark lane of dust and gas. The spiral arm structure appears to be elevated above the galaxy's plane and obscures the upper half of the bulge. Discovered on De

#4 NGC 203

NGC 203 is a lenticular galaxy located approximately 233 million light-years from the Solar System [2] in the constellation Pisces . It was discovered on December 19, 1873 by Ralph Copeland . [3] Lenticular galaxy in the constellation Pisces NGC 203 SDSS image of NGC 203 Observation data ( J2000 epo


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Institution / Institution


#1 Thirty Meter Telescope protests

The Thirty Meter Telescope protests are a series of protests and demonstrations that began on the Island of Hawaii over the choosing of Mauna Kea for the site location of the Thirty Meter Telescope . Mauna Kea is the most sacred dormant volcano of Native Hawaiian religion and culture, and was known

#2 Astronomical Observatory of Mallorca

The Astronomical Observatory of Mallorca ( Spanish : Observatorio Astronómico de Mallorca , OAM ) is an observatory just south of Costitx , Mallorca , Spain . [3] Observatory Astronomical Observatory of Mallorca Alternative   names ca Observatory   code 620   Location Costitx , Mallorca , Spain Coor

#3 Cherenkov Telescope Array

The Cherenkov Telescope Array or CTA is a multinational, worldwide project to build a new generation of ground-based gamma-ray instrument in the energy range extending from some tens of GeV to about 300 TeV . It is proposed as an open observatory and will consist of two arrays of Imaging Atmospheric

#4 Junk Bond Observatory

The Junk Bond Observatory ( JBO ; code: 701 ) is located in the Sonoran Desert at Sierra Vista , Arizona, United States. Astronomical observatory in Cochise County, Arizona This article needs additional citations for verification . ( January 2013 ) Observatory Junk Bond Observatory Alternative   nam

#5 Farpoint Observatory

Farpoint Observatory is an astronomical observatory owned and operated by the Northeast Kansas Amateur Astronomers' League , or NEKAAL . It is located on the grounds of Mission Valley High School at Eskridge , near Auburn, Kansas , approximately 30 miles (48   km) southwest of Topeka , Kansas , Unit

#6 Thirty Meter Telescope

The Thirty Meter Telescope ( TMT ) is a planned extremely large telescope (ELT) [5] [6] that has become controversial due to its location on Mauna Kea , [7] [8] [9] [10] on the island of Hawaiʻi . The TMT would become the largest visible-light telescope on Mauna Kea. [11] [12] Future observatory in

#7 Purple Mountain Observatory

The Purple Mountain Observatory ( Chinese : 紫金山天文台 ; pinyin : Zǐjīnshān Tiānwéntái ), also known as Zijinshan Astronomical Observatory is an astronomical observatory located on the Purple Mountain in the east of Nanjing . [lower-alpha 1] Observatory Purple Mountain Observatory Purple Mountain Observ

#8 Perth Observatory

The Perth Observatory is the name of two astronomical observatories located in Western Australia (WA). In 1896, the original observatory was founded in West Perth on Mount Eliza overlooking the city of Perth (obs. code 319 ). Due to the city's expansion, the observatory moved to Bickley in 1965. The

#9 Calais Observatory

The Calais Observatory is a pair of granite fixtures in Meridian Park in Calais, Maine . The two stones were used for mounting scientific equipment used in a variety of astronomical observations, principally for the accurate calculation by the United States Coast Survey of Calais's longitude with re


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Meteorite / Meteorite


#1 Tau Ceti f

Tau Ceti f is a super-Earth [1] or mini-Neptune orbiting Tau Ceti that was discovered in 2012 by statistical analyses of the star's variations in radial velocity, based on data obtained using HIRES, AAPS , and HARPS. It is of interest because its orbit places it in Tau Ceti's extended habitable zone

#2 Kepler-737b

Kepler-737b is a super-Earth exoplanet 669 light years away. [1] There is a chance it could be on the inner edge of the habitable zone. [2] Exoplanet Kepler-737b Discovery Discovered   by HARPS, Kepler space telescope Discovery   date May 10, 2016 Detection method Transit Designations Alternative na

#3 Tau Ceti e

Tau Ceti e , also called 52 Ceti e , is an exoplanet orbiting Tau Ceti that was detected by statistical analyses of the data of the star 's variations in radial velocity that were obtained using HIRES , AAPS and HARPS . [1] [2] Its possible properties were refined in 2017: it orbits at a distance of


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Planet / Planet


#1 List of exoplanet search projects

The following is a list of exoplanet search projects . Parts of this article (those related to the number of exoplanets discovered) need to be updated . ( January 2022 )


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Researcher / Researcher


#1 Yoshikane Mizuno

Yoshikane Mizuno ( 水野 義兼 , Mizuno Yoshikane , born 1954) is a Japanese astronomer and co-discoverer of asteroids . [2] The Minor Planet Center credits him with the discovery of 52 minor planets he made at the Kani Observatory ( 403 ) between 1989 and 1993. [1] Japanese astronomer Minor planets disco

#2 Satoru Otomo

Satoru Otomo ( 大友 哲 , Ōtomo Satoru, 19 December 1957, Mitaka ) is a Japanese dentist, amateur astronomer and a discoverer of minor planets . [2] Minor planets discovered: 148   [1] see §   List of discovered minor planets According to the Minor Planet Center , he is credited with the discovery of 14

#3 Pavel Kunaver

Pavel Kunaver (19 December 1889 – 19 April 1988) was a Slovene pedagogue , writer of popular science books, geography, history and Slovene language teacher and pioneer of amateur astronomy , mountain climbing , skiing and caving in Slovenia . [1] [2] Slovenian science writer (1889–1988) Pavel Kunave

#4 John V. McClusky

John V. McClusky is an American astronomer . He is a prolific discoverer of asteroids . [2] American astronomer Minor planets discovered: 156   [1] see §   List of discovered minor planets

#5 Paul G. Comba

Paul G. Comba (1926 – April 5, 2017) was an Italian-American computer scientist , an amateur astronomer and a prolific discoverer of minor planets . [2] Paul G. Comba Born 1926   ( 1926 ) Tunisia Died April 4, 2017 (2017-04-04) (aged   90–91) Education Ph.D. Alma   mater University of Turin , Blufft

#6 John M. Grunsfeld

John Mace Grunsfeld (born October 10, 1958) is an American physicist and a former NASA astronaut . He is a veteran of five Space Shuttle flights and has served as NASA Chief Scientist . His academic background includes research in high energy astrophysics , cosmic ray physics and the emerging field

#7 Richard Alfred Rossiter

Richard Alfred Rossiter (December 19, 1886 – January 26, 1977) was an American astronomer, known for the Rossiter–McLaughlin effect . [1] Rossiter served as director of the Lamont-Hussey Observatory from 1928 until 1952. [2] [3] American astronomer Richard Alfred Rossiter Born ( 1886-12-19 ) Decembe

#8 Michel Ory

Michel Ory (born 18 April 1966) is a Swiss amateur astronomer and a prolific discoverer of minor planets and comets , [1] who was one of five winners of the 2009 Edgar Wilson Award for his discovery of 304P/Ory (P/2008 Q2 Ory), a periodic comet of the Jupiter family on 27 August 2008, [2] using a 24

#9 Takeshi Urata

Takeshi Urata ( 浦田 武 , Urata Takeshi , 1947 – December 15, 2012) [2] was a Japanese astronomer . He was a prolific discoverer of asteroids , observing at Nihondaira Observatory . Japanese astronomer Minor planets discovered: 642   [1] see §   List of discovered minor planets In 1978 he became the fi

#10 Krisztián Sárneczky

Krisztián Sárneczky (born 6 November 1974 in Budapest ) is a Hungarian teacher of geography [1] and prolific discoverer of minor planets and supernovae , researching at Konkoly Observatory in Budapest, Hungary. He is a board member of the Hungarian Astronomical Association (HAA) [2] and member of th

#11 Paul Wild (Swiss astronomer)

Paul Wild ( German: [ˈvɪlt] ; 5 October 1925 – 2 July 2014) was a Swiss astronomer and director of the Astronomical Institute of the University of Bern , who discovered numerous comets , asteroids and supernovae . [1] [2] Swiss astronomer Paul Wild Paul Wild at University of Bern in 2006 Born ( 1925

#12 Jocelyn Bell Burnell

Dame Susan Jocelyn Bell Burnell DBE FRS FRSE FRAS FInstP ( / b ɜːr ˈ n ɛ l / ; born 15 July 1943) is an astrophysicist from Northern Ireland who, as a postgraduate student, discovered the first radio pulsars in 1967. [9] [10] The discovery eventually earned the Nobel Prize in Physics in 1974; howeve

#13 Richard P. Binzel

Richard "Rick" P. Binzel (born 1958) is an American astronomer and professor of planetary sciences at the Massachusetts Institute of Technology (MIT). He is a discoverer of minor planets , photometrist and the inventor of the Torino Scale , a method for categorizing the impact hazard associated with

#14 Nobuhiro Kawasato

Nobuhiro Kawasato ( 川里 信弘 , Kawasato Nobuhiro ) is a Japanese astronomer credited by the Minor Planet Center with the discovery of 105 asteroids he made partially in collaboration with astronomer Tsutomu Hioki at Okutama Observatory ( 877 ), Japan, between 1988 and 2000. [1] [2] Japanese astronomer

#15 Frank B. Zoltowski

Frank B. Zoltowski (born 1957) is an Australian amateur astronomer and prolific discoverer of minor planets who lives in Woomera , South Australia. In 1998, he was awarded a " Gene Shoemaker NEO Grant" for improved near-Earth object searches. [2] [3] Australian astronomer Frank B. Zoltowski Born 195

#16 David Schramm (astrophysicist)

David Norman Schramm (October 25, 1945 – December 19, 1997) was an American astrophysicist and educator, and one of the world's foremost experts on the Big Bang theory. Schramm was a pioneer in establishing particle astrophysics as a vibrant research field. He was particularly well known for the stu

#17 Shadia Habbal

Shadia Rifa'i Habbal ( Arabic : شادية رفاعي حبال) is a Syrian-American astronomer and physicist specialized in Space physics . A professor of Solar physics , her research is centered on Solar wind and Solar eclipse . Syrian-American astronomer and space physicist Shadia Habbal Born Homs, Syria Natio

#18 Mikhail Lomonosov

Mikhail Vasilyevich Lomonosov ( / ˌ l ɒ m ə ˈ n ɒ s ɒ f / ; [1] Russian : Михаил (Михайло) Васильевич Ломоносов ; 19 November   [ O.S. 8 November ]   1711 – 15 April   [ O.S. 4 April ]   1765 ) was a Russian polymath , scientist and writer, who made important contributions to literature, education,

#19 Felix Hormuth

Felix Hormuth (born 1975) is a German astronomer , working at the Max Planck Institute for Astronomy (MPIA) until 2016, and a prolific discoverer of minor planets . [2] [3] During his stay at the Calar Alto Observatory in Spain, he has discovered many asteroids, including a Jupiter trojan and two ne

#20 Vytautas Straižys

Vytautas Straižys (20 August 1936 – 19 December 2021) was a Lithuanian astronomer . In 1963–65 he and his collaborators created and developed the Vilnius photometric system , a seven-color intermediate band system, optimized for photometric stellar classification . In 1996 he was elected a Correspon


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Star / Star


#1 YBP 1194

YBP 1194 is a G-type main-sequence star , class G5V, in the open cluster M67 in the constellation Cancer . [7] [8] It is the best solar twin found to date, having the near temperature and mass as our sun . YBP 1194 has a higher metallicity than the Sun, is 0.5 billion years younger than the Sun at a

#2 Tau Ceti

Tau Ceti , Latinized from τ Ceti , is a single star in the constellation Cetus that is spectrally similar to the Sun , although it has only about 78% of the Sun's mass . At a distance of just under 12 light-years (3.7 parsecs ) from the Solar System , it is a relatively nearby star and the closest s


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