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langs: 31 октября [ru] / october 31 [en] / 31. oktober [de] / 31 octobre [fr] / 31 ottobre [it] / 31 de octubre [es]

days: october 28 / october 29 / october 30 / october 31 / november 1 / november 2 / november 3

Asteroid / Asteroid


#1 2015 TB145

2015 TB 145 is a sub-kilometer asteroid , classified as near-Earth object and potentially hazardous asteroid of the Apollo group , approximately 650 meters (2,000 feet) in diameter. [3] It safely passed 1.27 lunar distances from Earth on 31 October 2015 at 17:01 UTC , [7] and passed by Earth again i

#2 7 Iris

Iris ( minor planet designation : 7 Iris ) is a large main-belt asteroid and perhaps remnant planetesimal orbiting the Sun between Mars and Jupiter. It is the fourth-brightest object in the asteroid belt . It is classified as an S-type asteroid , meaning that it has a stony composition. Large main-b

#3 2013 TV135

2013 TV 135 is an Apollo near-Earth asteroid estimated to have a diameter of 450 meters (1,480   ft) . [3] On 16 September 2013, it passed about 0.0448   AU (6,700,000   km ; 4,160,000   mi ) from Earth. [2] On 20 September 2013, it came to perihelion (closest approach to the Sun). [2] The asteroid

#4 List of minor planets and comets visited by spacecraft

The following tables list all minor planets and comets that have been visited by robotic spacecraft . Number of minor planets and comets visited by spacecraft

#5 (357439) 2004 BL86

(357439) 2004 BL 86 is a bright sub-kilometer asteroid and binary system , classified as near-Earth object and potentially hazardous asteroid of the Apollo group , approximately 300 meters (980   ft) in diameter. It was discovered on 30 January 2004 by astronomers of the Lincoln Near-Earth Asteroid

#6 944 Hidalgo

944 Hidalgo / h ɪ ˈ d æ l ɡ oʊ / is a centaur and unusual object on an eccentric, cometary -like orbit between the asteroid belt and the outer Solar System , approximately 52 kilometers (32 miles) in diameter. Discovered by German astronomer Walter Baade in 1920, it is the first member of the dynami

#7 1008 La Paz

La Paz ( minor planet designation : 1008 La Paz ), provisional designation 1923 PD , is a carbonaceous asteroid from the outer region of the asteroid belt , approximately 40 kilometers in diameter. It was discovered on 31 October 1923, by German astronomer Max Wolf at the Heidelberg-Königstuhl State

#8 2340 Hathor

2340 Hathor ( / ˈ h æ θ ɔːr , - ər / ), provisional designation 1976 UA , is an eccentric stony asteroid , classified as near-Earth object and potentially hazardous asteroid . It belongs to the Aten group of asteroids and measures approximately 210 meters in diameter. Discovered by Charles Kowal in

#9 2021 TP21

2021 TP 21 is an Apophis -sized asteroid that was discovered on 11 October 2021 when it was 0.5   AU (75   million   km ) from Earth. [1] This potentially hazardous asteroid (PHA) spends most or its orbit closer to 4   AU (600   million   km) from the Sun as objects orbit more slowly when near aphel

#10 261 Prymno

Prymno ( minor planet designation : 261 Prymno ) is a somewhat large Main belt asteroid . It is classified as a B-type asteroid and probably has a primitive composition not unlike common C-type carbonaceous asteroids. 261 Prymno Discovery Discovered   by C. H. F. Peters Discovery   date 31 October 1

#11 2011 SC191

2011 SC 191 is a small asteroid and Mars trojan orbiting near the L 5   point of Mars (60 degrees behind Mars on its orbit). [2] [3] 2011 SC 191 Discovery Discovered   by Mt. Lemmon Survey Discovery   date 31 October 2011 Designations MPC   designation 2011 SC 191 Minor   planet category Martian L5

#12 731 Sorga

731 Sorga ( prov. designation : A912 GH or 1912 OQ ) is a highly elongated background asteroid from the outer regions of the asteroid belt , approximately 38 kilometers (24 miles) in diameter. It was discovered on 15 April 1912, by German astronomer Adam Massinger at the Heidelberg-Königstuhl State

#13 2019 UN13

2019 UN 13 is a small near-Earth asteroid roughly 1–2 meters in diameter. Even though the asteroid was in the night sky for months, it was fainter than the sky survey limit of apparent magnitude 24 until 29 October 2019 when the asteroid was two million km from Earth. [7] It was discovered on Octobe

#14 (417634) 2006 XG1

(417634) 2006 XG 1 provisional designation 2006 XG 1 , is a sub-kilometer asteroid , classified as near-Earth object and potentially hazardous asteroid of the Apollo group , that had a low but non-zero probability of impacting Earth on 31 October 2041. The asteroid was discovered on 20 September 200

#15 1009 Sirene

Sirene ( minor planet designation : 1009 Sirene ), provisional designation 1923 PE , is an eccentric asteroid and sizable Mars-crosser from the central regions of the asteroid belt , approximately 5 kilometers in diameter. It was discovered by German astronomer Karl Reinmuth at the Heidelberg-Königs

#16 1240 Centenaria

1240 Centenaria , provisional designation 1932 CD , is a background asteroid from the outer regions of the asteroid belt , approximately 60 kilometers (37 miles) in diameter. It was discovered on 5 February 1932, by astronomer Richard Schorr at the Bergedorf Observatory in Hamburg, Germany. [1] The

#17 1029 La Plata

1029 La Plata , provisional designation 1924 RK , is a stony Koronis asteroid from the outer regions of the asteroid belt , approximately 20 kilometers (12 miles) in diameter. It was discovered on 28 April 1924, by German astronomer Johannes Hartmann at the La Plata Astronomical Observatory in Argen

#18 349 Dembowska

Dembowska ( minor planet designation : 349 Dembowska ) is a large asteroid of the main belt, discovered on 9 December 1892, by the French astronomer Auguste Charlois while working at the observatory in Nice , France. [5] It is named in honor of the Baron Hercules Dembowski , an Italian astronomer wh

#19 463 Lola

Lola ( minor planet designation : 463 Lola ) (1900 FS) is a Main-belt asteroid discovered on 31 October 1900 by Max Wolf at Heidelberg . It is named after Lola, a character from Pietro Mascagni 's opera Cavalleria Rusticana . 463 Lola Discovery Discovered   by Max Wolf Discovery   site Heidelberg Di

#20 281 Lucretia

Lucretia ( minor planet designation : 281 Lucretia ) is an asteroid belonging to the Flora family in the Main Belt . [4] It was discovered by Austrain astronomer Johann Palisa on 31 October 1888 in Vienna , and is named after the middle name of Caroline Herschel , one of the first female astronomers


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Comet / Comet


#1 Comet ISON

Comet ISON , formally known as C/2012 S1 , was a sungrazing comet from the Oort cloud which was discovered on 21 September 2012 by Vitaly Nevsky (Виталий Невский, Vitebsk , Belarus ) and Artyom Novichonok (Артём Новичонок, Kondopoga , Russia ). [4] Oort cloud comet C/2012 S1 (ISON) Comet ISON as cap

#2 C/2010 U3 (Boattini)

C/2010 U3 (Boattini) is the hyperbolic comet with the longest observation arc [4] and took around a million years to complete half an orbit from its furthest distance in the Oort cloud . It was discovered on 31 October 2010 by Andrea Boattini in images taken with the Mount Lemmon Survey 's 1.5-m ref

#3 Halley's Comet

Halley's Comet or Comet Halley , officially designated 1P/Halley , is a short-period comet visible from Earth every 75–79 years. [1] Halley is the only known short-period comet that is regularly visible to the naked eye from Earth, and thus the only naked-eye comet that can appear twice in a human l

#4 C/2019 U6 (Lemmon)

C/2019 U6 (Lemmon) , or Comet Lemmon is a long period comet with a near-parabolic orbit discovered by the Mount Lemmon Survey on October 31, 2019. [2] It made its closest approach to the Sun on June 18, 2020. In June 2020 it was visible near the naked eye limit at an apparent magnitude of 6.0. [3] I

#5 Comet Ikeya–Seki

Comet Ikeya–Seki , formally designated C/1965 S1 , 1965 VIII , and 1965f , was a long-period comet discovered independently by Kaoru Ikeya and Tsutomu Seki . First observed as a faint telescopic object on September 18, 1965, the first calculations of its orbit suggested that on October 21, it would

#6 C/2013 US10 (Catalina)

C/2013 US 10 (Catalina) is an Oort cloud comet discovered on 31 October 2013 by the Catalina Sky Survey at an apparent magnitude of 19 using a 0.68-meter (27   in) Schmidt–Cassegrain telescope . [1] As of September   2015 [update] the comet is around apparent magnitude 6. [5] C/2013 US 10 (Catalina)

#7 332P/Ikeya–Murakami

332P/Ikeya–Murakami (P/2010 V1) is a short-period comet with period of approximately 5.4 years [2] first identified independently by the two Japanese amateur astronomers Kaoru Ikeya and Shigeki Murakami on November 3, 2010. [7] [8] Ikeya identified the comet using a 25-centimeter (10-inch) reflector


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Galaxy / Galaxy


#1 NGC 336

NGC 336 is a spiral galaxy in the constellation Cetus . It was discovered on October 31, 1885 by Francis Leavenworth . It was described by Dreyer as "very faint, small, round, suddenly brighter middle." It is also known as PGC 3470. Despite this, sometimes it is mistakenly identified as PGC 3526 . [

#2 NGC 535

NGC 535 is a lenticular galaxy in the constellation Cetus . It is estimated to be 222 million light years from the Milky Way and has a diameter of approximately 65,000 light years. The supernova SN 1988ad was observed near these coordinates. NGC 535 was discovered on October 31, 1864, by astronomer


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Institution / Institution


#1 Château de Meudon

Meudon Castle , also known as the Royal Castle of Meudon or Imperial Palace of Meudon, is a French castle located in Meudon in the Hauts-de-Seine department . At the edge of a wooded plateau, the castle offers views of Paris and the Seine , as well as of the Chalais valley. Located between Paris and

#2 Hoher List Observatory

Hoher List Observatorium is an Observatory located on the Hoher List mountain (549 m ASL ) about 60 km south-west of the city of Bonn , close to the town of Daun in the Eifel region ( Rhineland-Palatinate ) Observation dome with the 1-meter telescope and building of the Astronomische Vereinigung am

#3 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

#4 Magdalena Ridge Observatory

The Magdalena Ridge Observatory ( MRO ) is an astronomical observatory in Socorro County, New Mexico , about 32 kilometers (20   mi) west of the town of Socorro . The observatory is located in the Magdalena Mountains near the summit of South Baldy Mountain , adjacent to the Langmuir Laboratory for A

#5 Opposition to the Mauna Kea Observatories

Opposition to the Mauna Kea Observatories has existed since the first telescope was built in the late 1960s. Originally part of research begun by Gerard Kuiper of the University of Arizona , the site has expanded into the world's largest observatory for infrared and submillimeter telescopes. Opposit

#6 Parkes Observatory

The Parkes Observatory (also known as " The Dish " [1] ) is a radio telescope observatory, located 20 kilometres (12   mi) north of the town of Parkes, New South Wales , Australia. It was one of several radio antennae used to receive live television images of the Apollo 11 Moon landing. Its scientif

#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 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 MERLIN

The Multi-Element Radio Linked Interferometer Network ( MERLIN ) is an interferometer array of radio telescopes spread across England . The array is run from Jodrell Bank Observatory in Cheshire by the University of Manchester on behalf of Science and Technology Facilities Council (STFC) . [1] [2] [

#10 Wide Angle Search for Planets

WASP or Wide Angle Search for Planets is an international consortium of several academic organisations performing an ultra-wide angle search for exoplanets using transit photometry . The array of robotic telescopes aims to survey the entire sky, simultaneously monitoring many thousands of stars at a


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Meteorite / Meteorite


#1 WASP-4b

WASP-4b is an extrasolar planet approximately 891 light-years away [6] in the constellation of Phoenix . [7] Extrasolar planet in the constellation Phoenix WASP-4b Size comparison of WASP-4b with Jupiter. Discovery [1] [2] Discovered   by Wide Angle Search for Planets Discovery   site South African

#2 WASP-5b

WASP-5b is an extrasolar planet orbiting the star WASP-5 located approximately 1000 light-years away in the constellation Phoenix . The planet's mass and radius indicate that it is a gas giant with a similar bulk composition to Jupiter . The small orbital distance of WASP-5 b around its star mean it

#3 WASP-3b

WASP-3b is an extrasolar planet orbiting the star WASP-3 located approximately 800 light-years away in the constellation Lyra . It was discovered via the transit method by SuperWASP , and follow up radial velocity observations confirmed that WASP-3b is a planet. The planet's mass and radius indicate

#4 Dingle Dell meteorite

Dingle Dell is a 1.15   kg ordinary chondrite of subclass L/LL5, and the fourth meteorite to be recovered by the Desert Fireball Network camera observatory. [1] [2] [3] [4] It fell in the Morawa region of Western Australia on 31 October 2016 8:05   pm local time, and was recovered less than a week l


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Planet / Planet


#1 NameExoWorlds

NameExoWorlds (also known as IAU NameExoWorlds ) is the name of various projects managed by the International Astronomical Union (I.A.U.) to encourage names to be submitted for astronomical objects , which would later be considered for official adoption by the organization. IAU exoworld naming proje


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Researcher / Researcher


#1 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 §  

#2 M. Shahid Qureshi

Muhammad Shahid Qureshi or Shahid Qureshi , styled as M. Shahid Qureshi , is a Pakistani mathematician , astrophysicist and a renowned astronomer . He is an academic and an eminent educationist from Pakistan who has published articles in the fields of astrophysics and astronomy . He is the retired p

#3 Frank Bateson

Frank Maine Bateson OBE (31 October 1909 – 16 April 2007) was a New Zealand astronomer who specialised in the study of variable stars. New Zealand astronomer Frank Bateson OBE Born ( 1909-10-31 ) 31 October 1909 Wellington , New Zealand Died 16 April 2007 (2007-04-16) (aged   97) Tauranga , New Zeal

#4 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

#5 Galileo Galilei

Galileo di Vincenzo Bonaiuti de' Galilei (15 February 1564   – 8 January 1642) was an Italian astronomer , physicist and engineer , sometimes described as a polymath . Commonly referred to as Galileo , his name was pronounced / ˌ ɡ æ l ɪ ˈ l eɪ . oʊ ˌ ɡ æ l ɪ ˈ l eɪ . i ˌ / ( GAL -ih- LAY -oh GAL -i

#6 Agop Terzan

Agop Terzan (born Terziyan) (October 31, 1927 – April 4, 2020) was a Turkish - Armenian astronomer. Born in Constantinople Istanbul , he finished his high school from Getronagan Armenian High School , after he received his Bachelor's Degree in Mathematical and Astronomical Science in 1945 and Master

#7 Kazuro Watanabe

Kazurō Watanabe ( 渡辺 和郎 , Watanabe Kazurō , born May 1, 1955) is a Japanese amateur astronomer and prolific discoverer of minor planets . [2] He was born in Hokkaidō , Japan and is a member of the Astronomical Society of Japan as well as of the Oriental Astronomical Association . Japanese astronomer

#8 Gérard de Vaucouleurs

Gérard Henri de Vaucouleurs (25 April 1918 – 7 October 1995) [2] was a French astronomer . French astronomer Gérard de Vaucouleurs Born Gérard Henri de Vaucouleurs ( 1918-04-25 ) 25 April 1918 Paris, France Died 7 October 1995 (1995-10-07) (aged   77) Austin, Texas Nationality   France Alma   mater

#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 G. Madhavan Nair

G. Madhavan Nair (born 31 October 1943) is an Indian space scientist and a former Chairman of the Indian Space Research Organisation , and Secretary to the Department of Space , Government of India . He has also been the Chairman of the Space Commission and Chairman of the Governing Body of the Antr

#12 Richard Martin West

Richard Martin West (born 1941) is a Danish astronomer and discoverer of astronomical objects with a long career at the European Southern Observatory (ESO) and at the International Astronomical Union (IAU). Danish astronomer Minor planets discovered: 40   [1] see §   List of discovered minor planets

#13 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

#14 Marian Wolfgang Koller

Marian Wolfgang Koller (31 October 1792 in Feistritz in Carniola , Austria – 19 September 1866 in Vienna ) was a scientist and educator. This article includes a list of references , related reading or external links , but its sources remain unclear because it lacks inline citations . ( January 2013

#15 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

#16 Antoinette de Vaucouleurs

Antoinette de Vaucouleurs (November 14, 1921, Paris, France -August 29, 1987, Austin, Texas , USA) was an astronomer who worked in the Astronomy Department of the University of Texas at Austin for 25 years (1961-1986) when few women worked in the field. [1] [2] In addition to ongoing collaborations

#17 Filippo Salviati

Filippo Vincenzo Romolo Salviati (29 January 1583 ( Florence ) – 22 March 1614 ( Barcelona )) was an Italian nobleman, scientist and friend of Galileo . [1] He is remembered today mainly because he appears as one of the figures in Galileo's controversial work the Dialogue Concerning the Two Chief Wo

#18 Kaj Aage Gunnar Strand

Kaj Aage Gunnar Strand (27 February 1907 – 31 October 2000) was a Danish astronomer who worked in Denmark and the United States . He was Scientific Director of the U.S. Naval Observatory from 1963 to 1977. He specialized in astrometry , especially work on double stars and stellar distances. [1] Dani

#19 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

#20 Daniel du Toit

Daniel Stefanus du Toit (1917-1981) was a South African astronomer . South African astronomer This section needs additional citations for verification . ( December 2018 ) Daniel du Toit Born ( 1917-12-15 ) 15 December 1917 Springfontein, Free State Died 28 September 1981 (1981-09-28) (aged   63) Blo


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Star / Star


#1 Sagittarius A*

Sagittarius A* ( / ˈ eɪ s t ɑːr / AY star ), abbreviated Sgr   A* ( / ˈ s æ dʒ ˈ eɪ s t ɑːr / SAJ AY star [3] ) is the supermassive black hole [4] [5] [6] at the Galactic Center of the Milky Way . It is located near the border of the constellations Sagittarius and Scorpius , about 5.6° south of the

#2 SN 2012fr

SN 2012fr was a supernova in the NGC 1365 galaxy that was discovered by Alain Klotz on October 27, 2012. [1] SN 2012fr Ia Date October 27, 2012 Constellation Fornax Declination -36° 08' 25" Epoch J2000.0 Distance 56.2 ± 2.6 Mly Host NGC 1365   Related media on Commons [ edit on Wikidata ]


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