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langs: 3 сентября [ru] / september 3 [en] / 3. september [de] / 3 septembre [fr] / 3 settembre [it] / 3 de septiembre [es]

days: august 31 / september 1 / september 2 / september 3 / september 4 / september 5 / september 6


Asteroid / Asteroid


#1 221628 Hyatt

221628 Hyatt , provisional designation 2006 YE 13 , is a background asteroid on an inclined, comet -like orbit in the outer regions of the asteroid belt , approximately 7 kilometers (4 miles) in diameter. It was discovered on 26 December 2006, by Alex Gibbs , an American software engineer with the C

#2 1607 Mavis

1607 Mavis , provisional designation 1950 RA , is a stony asteroid from the central region of the asteroid belt , approximately 12 kilometers in diameter. It was discovered on 3 September 1950, by South African astronomer Ernest Johnson at Johannesburg Observatory in South Africa. [11] It was later

#3 34351 Decatur

34351 Decatur , provisional designation 2000 RZ 8 , is a Koronis asteroid from the outer region of the asteroid belt , approximately 3.5 kilometers (2.2 miles) in diameter. It was discovered on 3 September 2000, by American amateur astronomer Loren Ball at his Emerald Lane Observatory in Alabama, Un

#4 491 Carina

Carina ( minor planet designation : 491 Carina ) is a minor planet orbiting the Sun . 491 Carina Discovery Discovered   by Max Wolf Discovery   site Heidelberg Discovery   date 3 September 1902 Designations MPC   designation (491) Carina Alternative designations 1902 JQ Orbital characteristics [1] E

#5 2014 RC

2014 RC is a sub-kilometer near-Earth object and Apollo asteroid . The exceptionally fast rotator passed within 0.000267   AU (39,900   km ; 24,800   mi ) (0.1 lunar distances ) of Earth on 7 September 2014. The asteroid is approximately the diameter of the Chelyabinsk meteor , [5] and passed almost

#6 902 Probitas

902 Probitas is a minor planet orbiting the Sun . It was discovered by an Austrian astronomer Johann Palisa in Vienna on 3 September 1918. [2] 902 Probitas Discovery Discovered   by J. Palisa Discovery   site Vienna Discovery   date 3 September 1918 Designations MPC   designation (902) Probitas Pron

#7 492 Gismonda

Gismonda ( minor planet designation : 492 Gismonda ) is a Themistian asteroid discovered by Max Wolf . Gismonda is named after the daughter of Tancred, prince of Salerno, from Giovanni Boccaccio 's work, The Decameron . [2] 492 Gismonda Discovery Discovered   by Max Wolf Discovery   site Heidelberg

#8 734 Benda

734 Benda ( prov. designation : A912 TF or 1912 PH ) is a large background asteroid from the outer regions of the asteroid belt , approximately 70 kilometers (43 miles) in diameter. It was discovered by Austrian astronomer Johann Palisa at the Vienna Observatory on 11 October 1912. [1] For its size,

#9 (15700) 1987 QD

(15700) 1987 QD , provisional designation 1987 QD , is a Mars-crossing asteroid and a binary candidate from inside the innermost region of the asteroid belt , approximately 3 kilometers (1.9 miles) in diameter. It was discovered on 24 August 1987, by American astronomer Stephen Singer-Brewster at th

#10 5786 Talos

5786 Talos / ˈ t eɪ l ɒ s / is an Apollo asteroid discovered on 3 September 1991 by R. H. McNaught at Siding Spring . [2] It has a very small perihelion distance; [2] only two other named asteroids have one less than 0.2   AU, 1566 Icarus and 3200 Phaethon . Talos Discovery Discovered   by R. H. McN

#11 2011 ES4

2011 ES 4 (also written 2011 ES4 ) is an Apollo near-Earth asteroid roughly 22–49 meters (72–160 feet) in diameter. It was first observed on 2 March 2011 when the asteroid was about 0.054   AU (8,100,000   km; 5,000,000   mi) from Earth and had a solar elongation of 159 degrees. It passed closest ap

#12 Eris (dwarf planet)

Eris ( minor-planet designation 136199 Eris ) is the most massive and second-largest known dwarf planet in the Solar System . It is a trans-Neptunian object (TNO) in the scattered disk and has a high- eccentricity orbit. Eris was discovered in January 2005 by a Palomar Observatory –based team led by

#13 (416151) 2002 RQ25

(416151) 2002 RQ 25 is a carbonaceous asteroid of the Apollo group, classified as near-Earth object and potentially hazardous asteroid , approximately 0.2 kilometers in diameter. It was discovered on 3 September 2002, by the Campo Imperatore Near-Earth Object Survey (CINEOS) at the Italian Campo Imp

#14 (4953) 1990 MU

(4953) 1990 MU ( prov. designation : 1990 MU ) is a large Earth-crossing asteroid (ECA) belonging to the Apollo group of near-Earth objects which also cross the orbits of Mars and Venus . At approximately 3   km in diameter, [3] it is one of the largest known ECAs. [4] It has been assigned a permane

#15 830 Petropolitana

830 Petropolitana ( prov. designation : A916 QE or 1916 ZZ ) is a bright background asteroid from the outer regions of the asteroid belt . It was discovered on 25 August 1916, by Russian astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula. [1] The stony S-type asteroid has

#16 4197 Morpheus

4197 Morpheus , provisional designation 1982 TA , is a highly eccentric asteroid and near-Earth object of the Apollo group , approximately 3 kilometers in diameter. It was discovered on 11 October 1982, by American astronomers Eleanor Helin and Eugene Shoemaker at Palomar Observatory in California,

#17 (143649) 2003 QQ47

(143649) 2003 QQ 47 , provisionally designated : 2003 QQ 47 , is a kilometer-sized asteroid and synchronous binary system , classified as near-Earth object and potentially hazardous asteroid of the Apollo group . It became briefly notable upon its discovery in late August 2003, when media outlets pl

#18 2005 RH52

2005 RH 52 is an extreme trans-Neptunian object from the extended scattered disc in the outermost region of the Solar System , approximately 130 kilometers (81 miles) in diameter. It was first observed on 3 September 2005, by astronomers with the Canada–France Ecliptic Plane Survey using the Canada–

#19 250 Bettina

Bettina ( minor planet designation : 250 Bettina ) is a large main belt asteroid that was discovered by Austrian astronomer Johann Palisa on September 3, 1885, in Vienna . It was named in honour of Baroness Bettina von Rothschild (née de Rothschild; 1858–1892), wife of Baron Albert von Rothschild wh

#20 490 Veritas

Veritas , minor planet designation 490 Veritas , is a carbonaceous Veritasian asteroid , which may have been involved in one of the more massive asteroid-asteroid collisions of the past 100 million years. It was discovered by German astronomer Max Wolf at Heidelberg Observatory on 3 September 1902.


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Comet / Comet


#1 171P/Spahr

171P/Spahr is a periodic comet in the Solar System . 171P/Spahr was recovered on 20–24 October 2011 at apparent magnitude 20.6 using the 2.0-metre (79   in) Faulkes Telescope South . [3] 171P/Spahr is peaked at about magnitude 18 in 2012. [4] Periodic comet with 6 year orbit 171P/Spahr Discovery Dis

#2 C/1769 P1

C/1769 P1 (Messier) is a long-period comet that was visible to the naked eye at its last apparition in 1769. Because of its outstanding brightness it is called a great comet . C/1769 P1 (Messier) The Great Comet of the morning of 9 September 1769 over Nuremberg Discovery Discovered by Charles Messie

#3 28P/Neujmin

28P/Neujmin , also known as Neujmin 1 , is a large periodic comet in the Solar System . With a perihelion distance (closest approach to the Sun) of 1.5 AU , [1] this comet does not make close approaches to the Earth. [5] Periodic comet with 18 year orbit 28P/Neujmin Discovery Discovered by Grigory N

#4 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

#5 Comet Encke

Comet Encke / ˈ ɛ ŋ k i / , or Encke's Comet (official designation: 2P/Encke ), is a periodic comet that completes an orbit of the Sun once every 3.3 years. (This is the shortest period of a reasonably bright comet; the faint main-belt comet 311P/PanSTARRS has a period of 3.2 years.) Encke was first


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Galaxy / Galaxy


#1 NGC 7030

NGC 7030 is a barred spiral galaxy located about 380 million light-years away in the constellation Capricornus . [2] [3] NGC 7030 has an estimated diameter of 133,510 light-years. [3] NGC 7030 was discovered by astronomer Francis Preserved Leavenworth on September 3, 1885. [4] Barred spiral galaxy i

#2 NGC 7418

NGC 7418 is an intermediate spiral galaxy located in the constellation Grus . It is located at a distance of circa 60 million light years from Earth, which, given its apparent dimensions, means that NGC 7418 is about 60,000 light years across. [1] It was discovered by John Herschel on August 30, 183


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Institution / Institution


#1 Lovell Telescope

The Lovell Telescope / ˈ l ʌ v əl / is a radio telescope at Jodrell Bank Observatory , near Goostrey , Cheshire in the north-west of England. When construction was finished in 1957, the telescope was the largest steerable dish radio telescope in the world at 76.2   m (250   ft) in diameter; [1] it i

#2 Starkenburg Observatory

The Starkenburg Observatory ( German : Starkenburg-Sternwarte ) is an astronomical observatory in Heppenheim , Germany. It was founded in 1970, and currently has about 150 members. [2] [3] Observatory Starkenburg Observatory Named after Starkenburg   Observatory   code 611   Location Starkenburg , G

#3 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

#4 Santa Lucia Stroncone Astronomical Observatory

The Santa Lucia Stroncone Astronomical Observatory ( Italian : Osservatorio Astrometrico Santa Lucia Stroncone ) is an astronomical observatory located at 350 metres (1,150   ft) altitude in Stroncone , near the city of Terni , in Umbria , north central Italy. Minor planets discovered: 55   [1] see

#5 Andrushivka Astronomical Observatory

Andrushivka Astronomical Observatory ( Ukrainian : Андрушівська астрономічна обсерваторія ) is a private astronomical observatory in the town suburbs of Andrushivka , Zhytomyr Oblast , Ukraine . It was established in 2001. [2] The founder and director of the observatory is Yuri Ivashchenko . The obs

#6 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

#7 David Dunlap Observatory

The David Dunlap Observatory ( DDO ) is an astronomical observatory site in Richmond Hill , Ontario, Canada. Established in 1935, it was owned and operated by the University of Toronto until 2008. It was then acquired by the city of Richmond Hill, which provides a combination of heritage preservatio

#8 Cordell–Lorenz Observatory

Cordell–Lorenz Observatory (850) is an astronomical observatory owned and operated by Sewanee:The University of the South . It is located in Sewanee, Tennessee , United States. Observatory Cordell–Lorenz Observatory Organization University of the South Observatory   code 850   Location Sewanee, Tenn

#9 History of the Deep Space Network

  This article incorporates public domain material from websites or documents of the National Aeronautics and Space Administration . Observatory Deep Space Network Organization Interplanetary Network Directorate Location California Coordinates 34°12′3″N 118°10′18″W Website Deepspace Network website

#10 Union Observatory

Union Observatory also known as Johannesburg Observatory ( 078 ) is a defunct astronomical observatory in Johannesburg , South Africa that was operated between 1903 and 1971. It is located on Observatory Ridge , the city's highest point at 1,808 metres altitude in the suburb Observatory . [1] [2] De

#11 San Vittore Observatory

The San Vittore Observatory ( Italian : Osservatorio San Vittore , obs.   code : 522 ) is an astronomical observatory in Bologna , Italy. It has made numerous asteroid discoveries during 1980–2000. [1] Minor planets discovered: 99   [1] see §   List of discovered minor planets Observatory San Vittor

#12 List of solar eclipses visible from Ukraine

This list of solar eclipses seen from Ukraine enumerates the solar eclipses that were seen and will be seen in Ukraine . Lists of solar eclipses Geometry of a total solar eclipse (not to scale) Solar eclipses in antiquity Solar eclipses in the Middle Ages Modern history 16th 17th 18th 19th 20th 21st

#13 Črni Vrh Observatory

The Črni Vrh Observatory ( Slovene : Observatorij Črni Vrh , IAU code : 106 ) is an astronomical observatory located in western Slovenia , close to the settlement of Črni Vrh , near the town of Idrija . The current observatory was built in 1985 and stands at an elevation of 730 metres (2,400   ft) .

#14 Campo Imperatore Near-Earth Object Survey

The CINEOS program ( Campo Imperatore Near-Earth Object Survey ), started in 2001, is dedicated to the discovery and follow-up of near-Earth objects (NEOs), namely asteroids and comets which periodically approach or intersect the Earth's orbit . In particular CINEOS is addressed to the discovery of

#15 International Astronautical Congress

Every year, the International Astronautical Federation with the support of the International Academy of Astronautics and the International Institute of Space Law (IISL), holds the International Astronautical Congress ( IAC ) which is hosted by one of the national society members of the IAF. Annual m


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Meteorite / Meteorite


#1 HD 33564 b

HD 33564 b is an extrasolar planet located approximately 68 light-years away in the constellation of Camelopardalis . This planet orbits around F6V star HD 33564 . The planet has an eccentric orbit, ranging in distance from 0.737 AU at periastron to 1.497 AU at apastron . Extrasolar planet in the co


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Researcher / Researcher


#1 Lyudmila Karachkina

Lyudmila Georgievna Karachkina ( Russian : Людмила Георгиевна Карачкина , born 3 September 1948, Rostov-on-Don ) is an astronomer and discoverer of minor planets . [2] Ukrainian astronomer Minor planets discovered: 130   [1] see §   List of discovered minor planets In 1978 she began as a staff astro

#2 Frida Palmer

Frida Palmér , (February 14, 1905 - October 13, 1966) was the first female Swedish astronomer with a doctorate. She studied variable stars . [1] [2] First Swedish female PHd in Astronomy This article is an orphan , as no other articles link to it . Please introduce links to this page from related ar

#3 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

#4 Ernest Leonard Johnson

Ernest Leonard Johnson (1891–1977) was a South African astronomer and a former staff member of the Union Observatory in Johannesburg, South Africa. He is known for the discovery of 18 asteroids between 1946–1951, as well as several comets . [1] On 25 August 1949, he discovered 48P/Johnson , a period

#5 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

#6 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

#7 Eugene Merle Shoemaker

Eugene Merle Shoemaker (April 28, 1928   – July 18, 1997) was an American geologist . He co-discovered Comet Shoemaker–Levy 9 with his wife Carolyn S. Shoemaker and David H. Levy . This comet hit Jupiter in July 1994: the impact was televised around the world. Shoemaker also studied terrestrial crat

#8 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

#9 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

#10 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

#11 Pierre Antonini

Pierre Antonini is a retired French mathematics professor and amateur astronomer who has discovered several minor planets and two supernovae at his private Observatoire de Bédoin (Bedoin Observatory; observatory code: 132 ) located at Bédoin , southeastern France. For many of his discoveries he used

#12 Christopher Wren

Sir Christopher Wren PRS FRS ( / r ɛ n / ; [2] 30 October 1632 [ O.S. 20 October ] – 8 March 1723 [ O.S. 25 February ]) [3] [4] was one of the most highly acclaimed English architects in history, as well as an anatomist , astronomer , geometer , and mathematician- physicist . [4] He was accorded res

#13 Lenka Kotková

Lenka Kotková ( née Šarounová ; born 26 July 1973) is a Czech astronomer and a discoverer of minor planets . Czech astronomer, asteroid discoverer Lenka Kotková ( née Šarounová) Lenka Kotková at the Ondřejov Observatory Born ( 1973-07-26 ) 26 July 1973 (age   48) Dobřichovice , Czechoslovakia Nation

#14 Francis Preserved Leavenworth

Francis Preserved Leavenworth (September 3, 1858 in Mount Vernon, Indiana – November 12, 1928; [1] a.k.a. Frank Leavenworth ) was an American astronomer . He discovered many New General Catalogue objects together with Frank Muller and Ormond Stone . They used a telescope with a 66-cm aperture at the

#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 Yoshisada Shimizu

Yoshisada Shimizu ( 清水 義定 , Shimizu Yoshisada , born 1943) is a Japanese amateur astronomer and a prolific discoverer of hundreds of asteroids since 1993. An orthopaedist by profession, he is also known as an astrophotographer . [1] [2] Japanese astronomer Minor planets discovered: 311   [1] see §  

#20 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


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Star / Star


#1 Tau Octantis

Tau Octantis , Latinized from τ Octantis , is a solitary [11] star in the southern circumpolar constellation Octans . It has an apparent magnitude of 5.50, [2] allowing it to be faintly seen with the naked eye . The object is located at a distance of 480 light years [1] but is receding with a helioc

#2 37 Geminorum

37 Geminorum is a solitary [11] Sun-like star located at the northwest part of the northern constellation of Gemini , about three degrees to the east of the bright star Epsilon Geminorum . [12] The apparent visual magnitude of 37 Geminorum is 5.74, [2] which is just bright enough to be visible to th

#3 Sigma Sagittarii

Sigma Sagittarii , Latinized from σ   Sagittarii ; formally named Nunki / ˈ n ʌ ŋ k i / , [13] [14] is the second-brightest star in the constellation of Sagittarius . It has an apparent magnitude of +2.05, [3] making it readily visible to the naked eye. The distance to this star, determined using pa

#4 Epsilon Geminorum

Epsilon Geminorum or ε Geminorum , formally named Mebsuta / m ɛ b ˈ s uː t ə / , [9] [10] is a star in the constellation of Gemini , on the outstretched right 'leg' of the twin Castor . The apparent visual magnitude of +3.06 [2] makes it one of the brighter stars in this constellation. The distance

#5 132 Tauri

132 Tauri is a binary star [2] system in the constellation Taurus . It is faintly visible to the naked eye with an apparent visual magnitude of 4.89. [2] Based upon a poorly-constrained annual parallax shift of 8.97 ± 1.98   mas , [1] it is located roughly 360   light years from the Sun. The system

#6 Aldebaran

Aldebaran is the brightest star in the zodiac constellation of Taurus . It has the Bayer designation α Tauri , which is Latinized to Alpha Tauri and abbreviated Alpha Tau or α Tau. Aldebaran varies in brightness from an apparent visual magnitude 0.75 down to 0.95, making it (typically) the fourteent

#7 Delta Cancri

Delta Cancri ( δ Cancri , abbreviated Delta Cnc , δ Cnc ) is a double star about 180 light-years from the Sun in the constellation of Cancer . Orange giant star in the constellation Cancer δ Cancri (Natasia-Louise James) Location of δ Cancri (circled) Observation data Epoch J2000.0             Equin

#8 47 Ursae Majoris

47 Ursae Majoris (abbreviated 47 UMa ), formally named Chalawan / ˈ tʃ ɑː l ə w ə n / , [7] [8] is a yellow dwarf star approximately 46 light-years [1] from Earth in the constellation of Ursa Major . As of 2011 [update] , three extrasolar planets (designated 47 Ursae Majoris b , c and d ; the first


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