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List of proper names of exoplanets

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Proper names of planetary systems often follow common themes – for example, the planets of the star Copernicus are named after European astronomers

Proper names for planets outside of the Solar System – known as exoplanets – are chosen by the International Astronomical Union (IAU) through public naming contests known as NameExoWorlds.

Naming

The IAU's names for exoplanets – and on most occasions their host stars – are chosen by the Executive Committee Working Group (ECWG) on Public Naming of Planets and Planetary Satellites, a group working parallel with the Working Group on Star Names (WGSN).[1] Proper names of stars chosen by the ECWG are explicitly recognised by the WGSN.[1] The ECWG's rules for naming exoplanets are identical to those adopted by the Minor Planet Center for minor planets.[2] Names are a single word consisting of sixteen characters or less, pronounceable in some language, non-offensive, and not identical to existing proper names of astronomical objects.[3] Copyrighted names, names of living individuals, and names with political or religious themes are disallowed by the ECWG.[4] In addition, the discoverer of a planet reserves the right to reject a proposed name for it.[5]

List

Proper Name Eponym Star Mass (MJ) Radius (RJ) Period (days) Semi-major axis (AU) Discovery method Disc. Year Distance (ly) Host star mass (M) Host star temp. (K) Remarks
Spe "Hope" (Latin) 14 Andromedae

(Veritate)

4.8 185.84 0.83 radial vel. 2008 249.2 2.2 4813
Arion Arion (Greek myth) 18 Delphini

(Musica)

10.3 993.3 2.6 radial vel. 2008 238 2.3 4979
Arkas Arcas (Greek myth) 41 Lyncis

(Intercrus)

2.7 184.02 0.81 radial vel. 2007 287.9 2.1 4753
Orbitar neologism 42 Draconis

(Fafnir)

3.88 479.1 1.19 radial vel. 2008 317.3 0.98 4200
Taphao Thong Taphao Thong (Thai folktale character) 47 Ursae Majoris

(Chalawan)

2.53 1078 2.1 radial vel. 1996 45.9 1.03 5892
Taphao Kaew Taphao Kae (Thai folktale character) 0.54 2391 3.6 radial vel. 2001 45.9 1.03 5892
Dimidium "Half" (Latin) 51 Pegasi

(Helvetios)

0.472 4.230785 0.0527 radial vel. 1995 50.1 1.12 5793 First exoplanet discovered orbiting a main-sequence star
Galileo Italian astronomer 55 Cancri A

(Copernicus)

0.8306 14.65152 0.115227 radial vel. 1996 40.9 0.91 5196
Brahe Danish astronomer 0.1714 44.4175 0.241376 radial vel. 2004 40.9 0.91 5196
Lipperhey Dutch lensmaker 3.878 4825 5.503 radial vel. 2002 40.9 0.91 5196
Janssen French astronomer 0.02542 0.17 0.736539 0.01544 radial vel. 2004 40.9 0.91 5196
Harriot English astronomer 0.141 262 0.788 radial vel. 2007 40.9 0.91 5196
Ægir Norse myth Epsilon Eridani

(Ran)

1.55 2502 3.39 radial vel. 2000 10.5 0.83 Controversial
Amateru Japanese myth Epsilon Tauri

(Ain)

7.6 594.9 1.93 radial vel. 2006 155.0 2.7 4901
Dagon Levantine myth Fomalhaut A 555530 160 imaging 2008 25.1 2 First extrasolar planet discovered by indirect imaging (visible light)
Tadmor Ancient Palmyrene and modern Arabic name for Palmyra Gamma Cephei A

(Errai)

1.85 903.3 2.05 radial vel. 2003 45.0 1.4
Meztli Aztec myth HD 104985

(Tonatiuh)

6.33 199.505 0.95 radial vel. 2003 332.8
Smertrios Celtic myth HD 149026

(Ogma)

0.368 0.813 2.8758911 radial vel. 2005 257.2 1.34 6160
Hypatia Greek astronomer Iota Draconis

(Edasich)

8.82 511.098 1.275 radial vel. 2002 102.2 1.05 4530
Quijote Don Quixote Mu Arae

(Cervantes)

1.676 643.25 1.497 radial vel. 2000 49.8 1.08 5807
Dulcinea Don Quixote 0.03321 4205.8 5.235 radial vel. 2004 49.8 1.08 5807
Rocinante Don Quixote 0.5219 9.6386 0.09094 radial vel. 2004 49.8 1.08 5807
Sancho Don Quixote 1.814 310.55 0.921 radial vel. 2006 49.8 1.08 5807
Thestias Greek myth Pollux 2.3 589.64 1.64 radial vel. 2006 33.7 2.1 4946
Saffar Muslim astronomer Upsilon Andromedae

(Titawin)

0.6876 4.617033 0.059222 radial vel. 1996 43.9 1.3
Samh Muslim astronomer 1.981 241.258 0.827774 radial vel. 1999 43.9 1.3
Majriti Muslim astronomer 10.25 1276.46 2.51329 radial vel. 1999 43.9 1.3
Fortitudo "Fortitude" (Latin) Xi Aquilae

(Libertas)

2.8 136.75 0.68 radial vel. 2007 204.4 2.2 4780
Draugr Norse myth PSR B1257+12

(Lich)

Poltergeist "noisy ghost" (in German)
Phobetor Greek myth
Abol First of three rounds in Ethiopian traditional coffee ceremony HD 16175

(Buna)

2019 IAU NameExoWorlds Campaign - Ethiopia
Agouto Highest mountain in Togo WASP-64

(Atakoraka)

2019 IAU NameExoWorlds Campaign - Togo
Arber Name for inhabitants of Albania during the middle ages HD 82886

(Illyrian)

2019 IAU NameExoWorlds Campaign - Albania
Tassili Tassili n'Ajjer UNESCO World Heritage Site HD 28678

(Hoggar)

2019 IAU NameExoWorlds Campaign - Algeria
Madriu Madriu-Perafita-Claror Valley UNESCO World Heritage Site HD 131496

(Arcalís)

2019 IAU NameExoWorlds Campaign - Andorra
Naqaỹa "brother-family-relative" in the Mocoví language HD 48265

(Nosaxa)

2019 IAU NameExoWorlds Campaign - Argentina
Bocaprins Boca Prins beach in Arikok National Park WASP-39

(Malmok)

2019 IAU NameExoWorlds Campaign - Aruba
Yanyan "boy" in the Boon wurrung language HD 38283

(Bubup)

2019 IAU NameExoWorlds Campaign - Australia
Sissi Character from the 1955 Austrian film "Sissi" HAT-P-14

(Franz)

2019 IAU NameExoWorlds Campaign - Austria
Ganja Ancient capital of Azerbaijan HD 152581

(Mahsati)

2019 IAU NameExoWorlds Campaign - Azerbaijan
Tondra "nap" in Bengali HD 148427

(Timir)

2019 IAU NameExoWorlds Campaign - Bangladesh
Eburonia The Eburones people, a prominent Celtic tribe HD 49674

(Nervia)

2019 IAU NameExoWorlds Campaign - Belgium
Drukyul Native name of Bhutan HD 73534

(Gakyid)

2019 IAU NameExoWorlds Campaign - Bhutan
Yvaga "paradise" in the Guarani language HD 63765

(Tapecue)

2019 IAU NameExoWorlds Campaign - Bolivia
Naron Ancient Celtic name for the Neretva river in the Balkans HD 206610

(Bosona)

2019 IAU NameExoWorlds Campaign - Bosnia and Herzegovina
Guarani Guaraní people of southern Brazil, Paraguay, Uruguay, and Argentina HD 23079

(Tupi)

2019 IAU NameExoWorlds Campaign - Brazil
Mastika "gem/jewel" in Malay HD 179949

(Gumala)

2019 IAU NameExoWorlds Campaign - Brunei
Bendida Bendis, a Thracian goddess WASP-21

(Tangra)

2019 IAU NameExoWorlds Campaign - Bulgaria
Nakanbé Nakanbé river in Burkina Faso and Ghana HD 30856

(Mouhoun)

2019 IAU NameExoWorlds Campaign - Burkina Faso
Awasis "child" in the Cree langauge of Canada HD 136418

(Nikawiy)

2019 IAU NameExoWorlds Campaign - Canada
Caleuche Ghost ship from the Chilote mythology of Southern Chile HD 164604

(Pincoya)

2019 IAU NameExoWorlds Campaign - Chile
Victoriapeak Victoria Peak, a hill on Hong Kong Island HD 212771

(Lionrock)

2019 IAU NameExoWorlds Campaign - Hong Kong
Wangshu Chinese goddess of the Moon HD 173416

(Xihe)

2019 IAU NameExoWorlds Campaign - China
Sazum Traditional name of Yuchi Township in Nantou County, Taiwan HD 100655

(Formosa)

2019 IAU NameExoWorlds Campaign - Taiwan
Melquíades Character from the novel Cien años de soledad by Gabriel García Márquez HD 93083

(Macondo)

2019 IAU NameExoWorlds Campaign - Colombia
Pipitea Small pearls found in Penrhyn lagoon HD 281227

(Poerava)

2019 IAU NameExoWorlds Campaign - Cook Islands
Ditsö̀ Name given to the first Bribri people by the god Sibö̀ in Talamancan mythology WASP-17

(Diwö)

2019 IAU NameExoWorlds Campaign - Costa Rica
Veles Veles, Slavic deity of earth, waters, and the underworld HD 75898

(Stribor)

2019 IAU NameExoWorlds Campaign - Croatia
Finlay Carlos Finlay, Cuban epidemiologist BD-17 63

(Felixvarela)

2019 IAU NameExoWorlds Campaign - Cuba
Onasilos Oldest recorded doctor in Cyprus HD 168746

(Alasia)

2019 IAU NameExoWorlds Campaign - Cyprus
Makropulos Věc Makropulos by Czech playwright Karel Čapek XO-5

(Absolutno)

2019 IAU NameExoWorlds Campaign - Czechia
Surt Ruler of Muspelheim from Norse mythology HAT-P-29

(Muspelheim)

2019 IAU NameExoWorlds Campaign - Denmark
Boinayel Boinayel, god of rain from Taíno mythology WASP-6

(Márohu)

2019 IAU NameExoWorlds Campaign - Dominican Republic
Eyeke "near" in the Waorani language HD 6434

(Nenque)

2019 IAU NameExoWorlds Campaign - Ecuador
Cayahuanca "rock looking at the stars" in Nahuatl HD 52265

(Citalá)

2019 IAU NameExoWorlds Campaign - El Salvador
Hämarik "twilight" in Estonian XO-4

(Koit)

2019 IAU NameExoWorlds Campaign - Estonia
Hiisi Sacred localities and evil spirits from Finnic mythology HAT-P-38

(Horna)

2019 IAU NameExoWorlds Campaign - Finland
Bélisama Bélisama, Gaulish goddess of fire, the hearth, metallurgy, and glasswork HD 8574

(Bélénos)

2019 IAU NameExoWorlds Campaign - France
Mintome Fang word for a mythical land where a brotherhood of brave men live HD 208487

(Itonda)

2019 IAU NameExoWorlds Campaign - Gabon
Neri Neri River in southern Ethiopia HD 32518

(Mago)

2019 IAU NameExoWorlds Campaign - Germany
Toge "earring" in the Ewe language HD 181720

(Sika)

2019 IAU NameExoWorlds Campaign - Ghana
Iolaus Nephew of Heracles from Greek mythology HAT-P-42

(Lerna)

2019 IAU NameExoWorlds Campaign - Greece
Koyopa' "lightning" in the Kʼicheʼ language WASP-22

(Tojil)

2019 IAU NameExoWorlds Campaign - Guatemala
Indépendance Haitian Declaration of Independence HD 1502

(Citadelle)

2019 IAU NameExoWorlds Campaign - Haiti
Ixbalanqué One of twin gods who became the Moon in K'iche' mythology HD 98219

(Hunaphú)

2019 IAU NameExoWorlds Campaign - Honduras
Magor Ancestor of the Magyars in Hungarian mythology HAT-P-2

(Hunor)

2019 IAU NameExoWorlds Campaign - Hungary
Fold "earth/soil" in Old Icelandic HD 109246

(Funi)

2019 IAU NameExoWorlds Campaign - Iceland
Santamasa "clouded" in Sanskrit HD 86081

(Bibhā)

2019 IAU NameExoWorlds Campaign - India
Noifasui "revolve around" in the Nias language HD 117618

(Dofida)

2019 IAU NameExoWorlds Campaign - Indonesia
Kavian "relating to Kaveh" from the epic poem Shahnameh by Persian poet Ferdowsi HD 175541

(Kaveh)

2019 IAU NameExoWorlds Campaign - Iran
Babylonia Kingdom in ancient Mesopotamia HD 231701

(Uruk)

2019 IAU NameExoWorlds Campaign - Iraq
Bran Canine son of Tuiren and cousin of hunterwarrior Fionn mac Cumhaill from Irish mythology HAT-P-36

(Tuiren)

2019 IAU NameExoWorlds Campaign - Ireland
Alef First letter of the Hebrew alphabet HAT-P-9

(Tevel)

2019 IAU NameExoWorlds Campaign - Israel
Lete Italian spelling of Lethe, the underworld river of fog from Greek mythology HD 102195

(Flegetonte)

2019 IAU NameExoWorlds Campaign - Italy
Asye Earth goddess from Akan mythology WASP-15

(Nyamien)

2019 IAU NameExoWorlds Campaign - Côte d'Ivoire
Chura "natural beauty" in the Ryukyuan and Okinawan languages HD 145457

(Kamui)

2019 IAU NameExoWorlds Campaign - Japan
Wadirum Wadi Rum, largest valley in Jordan WASP-80

(Petra)

2019 IAU NameExoWorlds Campaign - Jordan
Buru "dust" in the Dholuo language HD 83443

(Kalausi)

2019 IAU NameExoWorlds Campaign - Kenya
Staburags Rock with symbolic meaning from Latvian poem Staburags un Liesma HD 118203

(Liesma)

2019 IAU NameExoWorlds Campaign - Latvia
Beirut Capital and largest city in Lebanon HD 192263

(Phoenicia)

2019 IAU NameExoWorlds Campaign - Lebanon
Umbäässa "small ant" in the Triesenberg dialect of southern Leichtenstein TrES-3

(Pipoltr)

2019 IAU NameExoWorlds Campaign - Liechtenstein
Vytis Vytis, the coat of arms of Lithuania HAT-P-40

(Taika)

2019 IAU NameExoWorlds Campaign - Lithuania
Peitruss Pétrusse river in Luxembourg HD 45350

(Lucilinberhuc)

2019 IAU NameExoWorlds Campaign - Luxembourg
Trimobe Rich ogre from Malagasy mythology HD 153950

(Rapeto)

2019 IAU NameExoWorlds Campaign - Madagascar
Baiduri "opal" in Malay HD 20868

(Intan)

2019 IAU NameExoWorlds Campaign - Malaysia
Ġgantija Megalithic temple complex on the Maltese island of Gozo HAT-P-34

(Sansuna)

2019 IAU NameExoWorlds Campaign - Malta
Cuptor Baking and drying chamber formerly used in Mauritius WASP-72

(Diya)

2019 IAU NameExoWorlds Campaign - Mauritius
Xólotl "animal" in Nahuatl HD 224693

(Axólotl)

2019 IAU NameExoWorlds Campaign - Mexico
Isli Lake in the Atlas Mountains of Morocco WASP-161

(Tislit)

2019 IAU NameExoWorlds Campaign - Morocco
Hairu "unity" in the Makhuwa language HD 7199

(Emiw)

2019 IAU NameExoWorlds Campaign - Mozambique
Bagan Bagan, ancient city in Myanmar HD 18742

(Ayeyarwady)

2019 IAU NameExoWorlds Campaign - Myanmar
Laligurans "rhododendron" in the Nepali language HD 100777

(Sagarmatha)

2019 IAU NameExoWorlds Campaign - Nepal
Nachtwacht Nachtwacht, painted by Rembrandt HAT-P-6

(Sterrennacht)

2019 IAU NameExoWorlds Campaign - Netherlands
Kererū Māori name for the New Zealand pigeon HD 137388

(Karaka)

2019 IAU NameExoWorlds Campaign - New Zealand
Xolotlan Second largest lake in Nicaragua HD 4208

(Cocibolca)

2019 IAU NameExoWorlds Campaign - Nicaragua
Equiano Olaudah Equiano, Nigerian writer and abolitionist HD 43197

(Amadioha)

2019 IAU NameExoWorlds Campaign - Nigeria
Albmi "sky" in the Northern Sami language HD 68988

(Násti)

2019 IAU NameExoWorlds Campaign - Norway
Perwana "moth" in Urdu HAT-P-23

(Shama)

2019 IAU NameExoWorlds Campaign - Pakistan
Jebus Ancient name of Jerusalem HD 99109

(Moriah)

2019 IAU NameExoWorlds Campaign - Palestine
Pollera Traditional women's costume for the El Punto dance of Panama WASP-79

(Montuno)

2019 IAU NameExoWorlds Campaign - Panama
Tumearandu Son of the original man and woman of the universe in Guaraní mythology HD 108147

(Tupã)

2019 IAU NameExoWorlds Campaign - Paraguay
Sumajmajta Character from Way to the Sun by Peruvian writer Abraham Valdelomar HD 156411

(Inquill)

2019 IAU NameExoWorlds Campaign - Peru
Haik Successor to Aman Sinaya as god of the sea in Tagalog mythology WASP-34

(Amansinaya)

2019 IAU NameExoWorlds Campaign - Philippines
Leklsullun "child/children" in the Pitkern language HD 102117

(Uklun)

2019 IAU NameExoWorlds Campaign - Pitcairn Islands
Pirx Character from the books of Polish author Stanisław Lem BD+14 4559

(Solaris)

2019 IAU NameExoWorlds Campaign - Poland
Viriato Viriathus, leader of the Lusitanian people that resisted Roman expansion HD 45652

(Lusitânia)

2019 IAU NameExoWorlds Campaign - Portugal
Aumatex God of the wind in Taíno mythology HIP 12961

(Koeia)

2019 IAU NameExoWorlds Campaign - Puerto Rico
Negoiu Second highest peak in the Romanian Făgăraș mountain range XO-1

(Moldoveanu)

2019 IAU NameExoWorlds Campaign - Romania
Teberda Teberda River in the Dombay region of Russia HAT-P-3

(Dombay)

2019 IAU NameExoWorlds Campaign - Russia
Dopere North Senegalese area containing the water source of Belel HD 181342

(Belel)

2019 IAU NameExoWorlds Campaign - Senegal
Vlasina Vlasina River in southeastern Serbia WASP-60

(Morava)

2019 IAU NameExoWorlds Campaign - Serbia
Viculus "little village" in Latin WASP-32

(Parumleo)

2019 IAU NameExoWorlds Campaign - Singapore
Kráľomoc "Jupiter" in ancient Slovak HAT-P-5

(Chasoň)

2019 IAU NameExoWorlds Campaign - Slovakia
Iztok Character from Pod svobodnim soncem by Slovene author Fran Saleški Finžgar WASP-38

(Irena)

2019 IAU NameExoWorlds Campaign - Slovenia
Krotoa !Uriǁ'aeǀona translator, community builder, and educator during the founding of Cape Colony WASP-62

(Naledi)

2019 IAU NameExoWorlds Campaign - South Africa
Halla Highest mountain in South Korea [[8 Ursae Minoris]|8 UMi]

(Baekdu)

2019 IAU NameExoWorlds Campaign - South Korea
Riosar Sar River in Spain, featured in the works of Galician poet Rosalía de Castro HD 149143

(Rosalíadecastro)

2019 IAU NameExoWorlds Campaign - Spain
Samagiya "togetherness/unity" in the Sinhalese language HD 205739

(Sāmaya)

2019 IAU NameExoWorlds Campaign - Sri Lanka
Isagel Character from Aniara by Swedish poet Harry Martinson HD 102956

(Aniara)

2019 IAU NameExoWorlds Campaign - Sweden
Eiger Prominent peak in the Bernese Alps HD 130322

(Mönch)

2019 IAU NameExoWorlds Campaign - Switzerland
Ugarit City where scribes devised the Ugaritic alphabet HD 218566

(Ebla)

2019 IAU NameExoWorlds Campaign - Syria
Tanzanite Tanzanite mineral WASP-71

(Mpingo)

2019 IAU NameExoWorlds Campaign - Tanzania
Maeping Ping River in Thailand WASP-50

(Chaophraya)

2019 IAU NameExoWorlds Campaign - Thailand
Ramajay "to sing and make music" in Trinidadian Creole HD 96063

(Dingolay)

2019 IAU NameExoWorlds Campaign - Trinidad and Tobago
Khomsa Palm shaped amulet popular in Tunisia HD 192699

(Chechia)

2019 IAU NameExoWorlds Campaign - Tunisia
Göktürk Turkic peoples who established the Turkic Khaganate WASP-52

(Anadolu)

2019 IAU NameExoWorlds Campaign - Turkey
Tryzub Tryzub, the coat of arms of Ukraine HAT-P-15

(Berehinya)

2019 IAU NameExoWorlds Campaign - Ukraine
Barajeel Wind tower used to re-direct wind flow as a form of air conditioning HIP 79431

(Sharjah)

2019 IAU NameExoWorlds Campaign - United Arab Emirates
Cruinlagh "to orbit" in Manx Gaelic WASP-13

(Gloas)

2019 IAU NameExoWorlds Campaign - United Kingdom
Mulchatna Mulchatna River in southwestern Alaska, United States HD 17156

(Nushagak)

2019 IAU NameExoWorlds Campaign - United States of America
Ibirapitá Tree native to Uruguay, Argentina, and Brazil HD 63454

(Ceibo)

2019 IAU NameExoWorlds Campaign - Uruguay
Madalitso "blessings" in the Nyanja language HD 85390

(Natasha)

2019 IAU NameExoWorlds Campaign - Zambia

See also

References

Sources

  1. Christensen, Lars Lindberg; Liu, Xiaowei; Montmerle, Thierry; Valsecchi, Giovanni; Williams, Robert (15 January 2016). "Naming of exoplanets". International Astronomical Union. Archived from the original on 10 January 2020. Retrieved 10 January 2020.

Citations

  1. ^ a b Garcia, Beatriz; Hamacher, Duane; Mamajek, Eric; Montmerle, Thierry; Pasachoff, Jay; Ridpath, Ian; Xiaochun, Sun (July 2016). "Bulletin of the IAU Working Group on Star Names, No. 1" (PDF). International Astronomical Union. Archived (PDF) from the original on 10 January 2020. Retrieved 10 January 2020. The naming purview for the WGSN will specifically be for stars [...] but will specifically exclude exoplanets (purview of EC WG Public Naming of Planets and the Planetary Systems) [...] The WGSN explicitly recognizes the names of exoplanets and their host stars approved by the EC WG Public Naming of Planets and Planetary Satellites.
  2. ^ Montmerle et al. 2016, "The public names proposed in naming campaign should follow the naming rules and restrictions adopted for Minor Bodies of the Solar System, by the IAU and by the Minor Planet Center..."
  3. ^ Montmerle et al. 2016, "16 characters or less in length; Preferably one word; Pronounceable (in some language); Non-offensive; Not too similar to an existing name of an astronomical object."
  4. ^ Montmerle et al. 2016, "In addition it is not allowed to propose: Names of individuals, places or events principally known for political, military or religious activities; Names of living individuals [...] The process must be respectful of intellectual property: It must be demonstrated that previously existing names, when proposed, are free for public use (i.e., for instance, not subject to copyright royalties, as could be the case for names created in fiction works, like books, plays, movies, etc.)..."
  5. ^ Christensen, Lars Lindberg; Liu, Xiaowei; Montmerle, Thierry; Valsecchi, Giovanni; Williams, Robert (13 August 2013). "Public Naming of Planets and Planetary Satellites: Reaching Out for Worldwide Recognition with the Help of the IAU" (PDF). International Astronomical Union. Archived (PDF) from the original on 10 January 2020. Retrieved 10 January 2020. The process must be respectful of intellectual property: a. it must have the formal agreement of the discoverers, who may participate in the process...