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langs: 2 февраля [ru] / february 2 [en] / 2. februar [de] / 2 février [fr] / 2 febbraio [it] / 2 de febrero [es]

days: january 30 / january 31 / february 1 / february 2 / february 3 / february 4 / february 5


Asteroid / Asteroid


#1 6709 Hiromiyuki

6709 Hiromiyuki , provisional designation 1989 CD , is a background or Florian asteroid from the inner regions of the asteroid belt , approximately 4 kilometers (2.5 miles) in diameter. It was discovered on 2 February 1989, by Japanese amateur astronomers Masaru Arai and Hiroshi Mori at the Yorii Ob

#2 95 Arethusa

Arethusa ( minor planet designation : 95 Arethusa ) is a large main-belt asteroid . It was discovered by German astronomer Robert Luther on 23 November 1867, and named after one of the various Arethusas in Greek mythology . Arethusa has been observed occulting a star three times: [7] first on 2 Febr

#3 343158 Marsyas

343158 Marsyas ( prov. designated 2009 HC 82 ) is an asteroid on a retrograde orbit , classified as a large near-Earth object of the Apollo group . It may be an extinct comet or damocloid asteroid . The asteroid was discovered on 29 April 2009, by astronomers with the Catalina Sky Survey at the Cata

#4 (9928) 1981 WE9

(9928) 1981 WE 9 , provisional designation 1981 WE 9 , is a stony Florian asteroid from the inner regions of the asteroid belt , approximately 3 kilometers in diameter. It was discovered on 16 November 1981, by astronomers at Perth Observatory in Bickley, Australia. [2] (9928) 1981 WE 9 Discovery [1

#5 (9942) 1989 TM1

(9942) 1989 TM 1 , provisional designation 1989 TM 1 , is a background asteroid from the central region of the asteroid belt , approximately 4.5 kilometers (2.8 miles) in diameter. It was discovered on 8 October 1989, by Japanese astronomers Nobuhiro Kawasato and Tsutomu Hioki at the Okutama Observa

#6 3402 Wisdom

3402 Wisdom , provisional designation 1981 PB , is a stony asteroid and Mars-crosser on an eccentric orbit from the inner regions of the asteroid belt , approximately 2.5 kilometers (1.6 miles) in diameter. It was discovered on 5 August 1981, by American astronomer Edward Bowell at Lowell's Anderson

#7 330 Adalberta

330 Adalberta ( prov. designation : A910 CB ) is a stony asteroid from the inner regions of the asteroid belt , approximately 9.5 kilometers in diameter. It is likely named for either Adalbert Merx or Adalbert Krüger . It was discovered by Max Wolf in 1910. In the 1980s, the asteroid's permanent des

#8 3642 Frieden

3642 Frieden , provisional designation 1953 XL 1 , is a carbonaceous asteroid from the middle region of the asteroid belt , approximately 35 kilometers in diameter. It was discovered by German astronomer Herta Gessner at Sonneberg Observatory on 4 December 1953. [10] It is named after the goddess of

#9 8967 Calandra

8967 Calandra , provisional designation 4878 T-1 , is a carbonaceous background asteroid from the outer region of the asteroid belt , approximately 9 kilometers in diameter. It was discovered on 13 May 1971, by Dutch astronomer couple Ingrid and Cornelis van Houten at Leiden Observatory, on photogra

#10 3581 Alvarez

3581 Alvarez , provisional designation 1985 HC , is a carbonaceous asteroid and a very large Mars-crosser on an eccentric orbit from the asteroid belt , approximately 13.7 kilometers (8.5 miles) in diameter. It was discovered on 23 April 1985, by American astronomer couple Carolyn and Eugene Shoemak

#11 (9948) 1990 QB2

(9948) 1990 QB 2 , provisional designation 1990 QB 2 , is a stony Nysian asteroid from the inner region of the asteroid belt , approximately 3.4 kilometers (2.1 miles) in diameter. It was discovered on 22 August 1990, by American astronomer Henry Holt at the Palomar Observatory in California. [1] Th

#12 8776 Campestris

8776 Campestris , provisional designation 2287 T-3 , is a stony background asteroid from the central region of the asteroid belt , approximately 10 kilometers in diameter. It was discovered on 16 October 1977, by Dutch astronomer couple Ingrid and Cornelis van Houten at Leiden Observatory, and Dutch

#13 815 Coppelia

815 Coppelia is a minor planet orbiting the Sun that was discovered by German astronomer Max Wolf on 2 February 1916 from Heidelberg [3] named after Coppélia , a comic ballet. Minor planet in the Solar system 815 Coppelia Discovery Discovered   by Max Wolf Discovery   site Heidelberg Observatory Dis

#14 181 Eucharis

Eucharis ( minor planet designation : 181 Eucharis ) is a large, slowly rotating main-belt asteroid that was discovered by French astronomer Pablo Cottenot on February 2, 1878, from Marseille Observatory . [5] It was his only asteroid discovery. This object was named after Eucharis , a Greek nymph .

#15 3674 Erbisbühl

3674 Erbisbühl ( prov. designation : 1963 RH ) is an stony asteroid and one of the largest Mars-crossers from the innermost regions of the asteroid belt , approximately 11 kilometers (6.8 miles) in diameter. It was discovered on 13 September 1963, by German astronomer Cuno Hoffmeister at his Sonnebe

#16 2020 SO

2020 SO [lower-alpha 1] is a near-Earth object identified to be the Surveyor 2 Centaur rocket booster launched on 20 September 1966. The object was discovered by the Pan-STARRS 1 survey at the Haleakala Observatory on 17 September 2020. It was initially suspected to be an artificial object due to it

#17 888 Parysatis

888 Parysatis ( prov. designation : A918 CE or 1918 DC ) is a stony background asteroid , approximately 44 kilometers (27 miles) in diameter, that is located in the central region of the asteroid belt . It was discovered by German astronomer Max Wolf at the Heidelberg Observatory on 2 February 1918.

#18 4 Vesta

Vesta ( minor-planet designation : 4 Vesta ) is one of the largest objects in the asteroid belt , with a mean diameter of 525 kilometres (326   mi) . [10] It was discovered by the German astronomer Heinrich Wilhelm Matthias Olbers on 29 March 1807 [6] and is named after Vesta , the virgin goddess of

#19 3700 Geowilliams

3700 Geowilliams , provisional designation 1984 UL 2 , is a stony background asteroid from the inner regions of the asteroid belt , approximately 8 kilometers (5 miles) in diameter. It was discovered on 23 October 1984, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observ

#20 6025 Naotosato

6025 Naotosato , provisional designation 1992 YA 3 , is an Eoan asteroid from the outer region of the asteroid belt , approximately 19 kilometers in diameter. It was discovered on 30 December 1992, by Japanese astronomer Takeshi Urata at the Nihondaira Observatory in Oohira, Japan. [9] The asteroid


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Comet / Comet


#1 X/1106 C1

X/1106 C1 , also known as the Great Comet of 1106 , was a great comet that appeared on 2 February 1106, and was observed around the world from the beginning of February through to mid-March. It was recorded by astronomers in Wales , England , Japan , Korea , China and Continental Europe . It was obs

#2 C/2022 E3 (ZTF)

C/2022 E3 (ZTF) is a long period comet that was discovered by the Zwicky Transient Facility on 2 March 2022. Upon discovery the comet had an apparent magnitude of 17.3 and was about 4.3   AU (640   million   km ) from the Sun. The object was initially identified as an asteroid but subsequent observa

#3 46P/Wirtanen

46P/Wirtanen is a small short-period comet with a current orbital period of 5.4 years. [5] [6] It was the original target for close investigation by the Rosetta spacecraft , planned by the European Space Agency , but an inability to meet the launch window caused Rosetta to be sent to 67P/Churyumov–G


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Galaxy / Galaxy


#1 NGC 4586

NGC 4586 is a spiral galaxy located about 50 million light-years away [2] in the constellation Virgo . [3] The galaxy was discovered by astronomer William Herschel on February 2, 1786. [4] Although listed in the Virgo Cluster Catalog, [5] NGC 4586 is considered to be a member of the Virgo II Groups

#2 NGC 3223

NGC 3223 is a faint spiral galaxy in the constellation Antlia . [5] It was discovered on February 2, 1835 by the English astronomer John Herschel . [6] The galaxy lies at a distance of approximately 110   million light years away and is receding with a heliocentric radial velocity of 2,896   km/s. [

#3 Carina Nebula

The Carina Nebula [8] or Eta Carinae Nebula [9] (catalogued as NGC 3372 ; also known as the Great Carina Nebula [10] ) is a large, complex area of bright and dark nebulosity in the constellation Carina , located in the Carina–Sagittarius Arm of the Milky Way galaxy. The nebula is approximately 8,500

#4 NGC 5364

NGC 5364 is a grand design spiral galaxy located 54.5 [2] million light years away in the constellation Virgo . It is inclined to the line of sight from the Earth at an angle of 47° along a position angle of 25°. [7] It is a member of the NGC 5364 Group of galaxies, itself one of the Virgo III Group

#5 NGC 2404

NGC 2404 is a massive H II region inside NGC 2403 , a spiral galaxy in Camelopardalis . It was discovered on February 2, 1886 by Gulliaume Bigourdan. NGC 2404 is approximately 940 ly in diameter, making it one of the largest H II regions so far known. It is the largest H II region in NGC 2403 , and

#6 NGC 4580

NGC 4580 is an unbarred spiral galaxy [2] located about 70 million light-years away [3] in the constellation Virgo . [4] NGC 4580 is also classified as a LINER galaxy. [3] [5] It was discovered by astronomer William Herschel on February 2, 1786 [6] and is a member of the Virgo Cluster . [2] [7] Unba

#7 NGC 4630

NGC 4630 is an irregular galaxy [2] located about 54 million light-years away [3] in the constellation of Virgo . [4] NGC 4630 was discovered by astronomer William Herschel on February 2, 1786. [2] NGC 4630 is part of the Virgo II Groups [5] which form a southern extension of the Virgo Cluster . [6]


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Institution / Institution


#1 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


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Meteorite / Meteorite


#1 Kepler-11b

Kepler-11b is an exoplanet discovered around the star Kepler-11 by the Kepler spacecraft , a NASA -led mission to discover Earth-like planets . Kepler-11b is less than about three times as massive and twice as large as Earth, but it has a lower density (≤ 3 g/cm 3 ), and is thus most likely not of E

#2 Kepler-11g

Kepler-11g is an exoplanet discovered in the orbit of the sunlike star Kepler-11 by the Kepler spacecraft , a NASA satellite tasked with searching for terrestrial planets . Kepler-11g is the outermost of the star's six planets. The planet orbits at a distance of nearly half the mean distance between

#3 Kepler-11e

Kepler-11e is an exoplanet (extrasolar planet) discovered in the orbit of the sunlike star Kepler-11 . It is the fourth of six planets around Kepler-11 discovered by NASA 's Kepler spacecraft . Kepler-11e was found by using the transit method , in which the dimming effect that a planet causes as it

#4 Kepler-19b

Kepler-19b is a planet orbiting around the star Kepler-19 . [3] The planet has an orbital period of 9.3 days, [5] with an estimated radius of roughly 2.2 times that of the Earth , with a mass around 8.4 times that of the Earth. [2] It is one of three planets orbiting Kepler-19. [4] Super-Earth orbit

#5 CoRoT-6b

CoRoT-6b (previously named CoRoT-Exo-6b ) [2] is an exoplanet that was reportedly discovered by the CoRoT mission team on February 2, 2009, orbiting the F type star CoRoT-6 . It is located in the Ophiuchus constellation. CoRoT -6b Size comparison of CoRoT-6b with Jupiter. Discovery Discovered   by C

#6 Kepler-11c

Kepler-11c is an exoplanet discovered in the orbit of the Sun -like star Kepler-11 by the Kepler spacecraft , a NASA telescope aiming to discover Earth-like planets . It is the second planet from its star, and is most likely a water planet with a thin hydrogen–helium atmosphere. [2] Kepler-11c orbit

#7 Gliese 667 Cc

Gliese 667 Cc (also known as GJ 667Cc , HR 6426Cc , or HD 156384Cc ) [3] is an exoplanet orbiting within the habitable zone of the red dwarf star Gliese 667 C , which is a member of the Gliese 667 triple star system, approximately 23.62 light-years (7.24 parsecs ; 223.5   trillion kilometres ) away

#8 Kepler-11d

Kepler-11d is an exoplanet discovered in the orbit of the sun-like star Kepler-11 . It is named for the telescope that discovered it, a NASA spacecraft named Kepler that is designed to detect Earth-like planets by measuring small dips in the brightness of their host stars as the planets cross in fro

#9 Žemaitkiemis meteorite

Žemaitkiemis meteorite is an ordinary chondrite that fell near Žemaitkiemis , Lithuania at about 8:33   pm on 2 February 1933. [2] Using the argon–argon dating method, scientists have calculated its age to be about 520 million years. [3] Meteorite on the coat of arms of Žemaitkiemis Žemaitkiemis Typ

#10 Kepler-11f

Kepler-11f is an exoplanet (extrasolar planet) discovered in the orbit of the sun-like star Kepler-11 by NASA 's Kepler spacecraft , which searches for planets that transit (cross in front of) their host stars. Kepler-11f is the fifth planet from its star, orbiting one quarter of the distance (.25 A


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Researcher / Researcher


#1 Otto Kippes

Otto Kippes (23 July 1905 – 2 February 1994) was a German Catholic priest and amateur astronomer , born in Bamberg , Bavaria. He was acknowledged especially for his work in asteroid orbit calculations, which brought him the Amateur Achievement Award of the Astronomical Society of the Pacific in 1991

#2 Pablo Cottenot

Pablo Cottenot was a 19th-century French astronomer and discoverer of a minor planet . French astronomer Minor planets discovered: 1   [1] 181 Eucharis 2 February 1878 MPC He worked at Marseille Observatory , but according to Édouard Stephan , Cottenot's astronomy career was brief. [2] He is credite

#3 Ladislav Brožek

Ladislav Brožek (born 1952) is a Slovak astronomer . [2] At the Bohemian Kleť Observatory , he discovered a total of 23 minor planets between 1979 and 1982, as credited by the Minor Planet Center . [1] Slovak astronomer Minor planets discovered: 23   [1] see §   List of discovered minor planets One

#4 Kin Endate

Kin Endate ( 円館 金 , Endate Kin , born December 15, 1960) is a Japanese amateur astronomer who has discovered hundreds of asteroids, most of them in collaboration with Kazuro Watanabe , placing him among the most prolific discoverers of minor planets . [1] Minor planets discovered: 624   [1] see §  

#5 Snježana Kordić

Snježana Kordić ( pronounced   [sɲěʒana kôːrditɕ] ( listen ) ; born 29 October 1964) [1] is a Croatian linguist . [3] In addition to her work in syntax , she has written on sociolinguistics . [2] Kordić is known among non-specialists for numerous articles against the puristic and prescriptive langua

#6 Max Wolf

Maximilian Franz Joseph Cornelius Wolf (21 June 1863 – 3 October 1932) was a German astronomer and a pioneer in the field of astrophotography . He was the chairman of astronomy at the University of Heidelberg and director of the Heidelberg-Königstuhl State Observatory from 1902 until his death in 19

#7 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

#8 Alanna Connors

Alanna Connors (1956–2013) was a Hong Kong-born American astronomer and statistician known for her introduction and advocacy of Bayesian statistics in high-energy astronomy , and for her early use of the Python programming language in astronomy. [1] American astronomer Alanna Connors Connors was the

#9 Stefano Sposetti

Stefano Sposetti (born 22 December 1958) is a Swiss amateur astronomer and a prolific discoverer of minor planets . [2] [3] He lives in Gnosca , in the Italian-speaking part of Switzerland in the Ticino Alps , where the Gnosca Observatory is located. Swiss astronomer Flyby of Asteroid 2004 FH in Mar

#10 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

#11 Freimut Börngen

Freimut Börngen ( German: [ˈfʁaɪmuːt ˈbœʁŋən] ; 17 October 1930 – 19 June 2021) was a German astronomer and a prolific discoverer of minor planets . [2] A few sources give his first name wrongly as "Freimuth". The Minor Planet Center credits him as F. Borngen . German astronomer (1930–2021) Minor pl

#12 Thomas Ignatius Maria Forster

Thomas Ignatius Maria Forster FRS FLS (9 November 1789 – 2 February 1860) was an English astronomer, physician, naturalist and philosopher. An early animal rights activist, he promoted vegetarianism and founded the Animals' Friend Society with Lewis Gompertz . He published pamphlets on a wide variet

#13 Peter Kolény

Peter Kolény is a Slovak astronomer . He is a prolific discoverer of asteroids . [2] As of January 2010, the IAU Minor Planet Center credits him with the discovery or codiscovery of 35 asteroids. [3] Slovak astronomer Minor planets discovered: 35   [1] see §   List of discovered minor planets

#14 Tom Stafford (astronomer)

Tom Stafford is an American astronomer who has discovered a number of asteroids since 1997, [1] including 12061 Alena , [2] 12533 Edmond , [3] 13436 Enid , [4] 13688 Oklahoma [5] and 15904 Halstead [6] at Zeno Observatory (observatory code 727) in Edmond, Oklahoma . He is the son of Joseph W. Staffo

#15 Antonín Mrkos

Antonín Mrkos ( Czech pronunciation: [ˈantoɲiːn ˈmr̩kos] ) (27 January 1918, Střemchoví – 29 May 1996, Prague ) was a Czech astronomer . Czech astronomer Antonín Mrkos Minor planets discovered: 274   [1] see §   List of discovered minor planets

#16 Paul Wiegert

Paul Arnold Wiegert (born 1967) is a Canadian astronomer , discoverer of minor planets and professor at the University of Western Ontario . [2] Canadian astronomer Minor planets discovered: 85   [1] see §   List of discovered minor planets Wiegert studies unusual orbits of both observed objects and

#17 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

#18 James Hartness

James Hartness (September 3, 1861 – February 2, 1934) was an American inventor, mechanical engineer , entrepreneur, amateur astronomer , and politician who served as the 58th governor of Vermont from 1921 to 1923. American engineer and Vermont politician (1861–1934) James Hartness 58th Governor of V

#19 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

#20 Jana Tichá

Jana Tichá (born 1965 in České Budějovice ) is a Czech astronomer and discoverer of minor planets . She studied at the University of Economics in Prague and graduated in 1987. In 1992 she was selected for the position of a director of the Kleť Observatory . Czech astronomer Jana Tichá with her ex-hu


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Science / Science


#1 Chronology of the universe

The chronology of the universe describes the history and future of the universe according to Big Bang cosmology. History and future of the universe For the academic discipline which examines history from the Big Bang to the present day, see Big History . Part of a series on Physical cosmology Big Ba


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Star / Star


#1 Kepler-11

Kepler-11 , also designated as 2MASS J19482762+4154328 , [5] is a Sun-like star slightly larger than the Sun in the constellation Cygnus , located some 2,150 light years from Earth . It is located within the field of vision of the Kepler spacecraft , the satellite that NASA 's Kepler Mission uses to

#2 Gliese 667

Gliese 667 (142 G. Scorpii) is a triple- star system in the constellation Scorpius lying at a distance of about 6.8 parsecs (22 light-years ) from Earth . All three of the stars have masses smaller than the Sun . There is a 12th-magnitude star close to the other three, but it is not gravitationally

#3 T Aurigae

T Aurigae (or Nova Aurigae 1891 ) was a nova , which lit up in the constellation Auriga in 1891. Thomas David Anderson , an amateur astronomer in Edinburgh , reported that he was "almost certain" he saw the nova at 02:00 UT on 24 January 1892, when it was slightly brighter than χ Aurigae ( apparent


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