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Current system of naming exoplanets
The exoplanet naming convention is an extension of the system used for naming multiple-star systems as adopted by the International Astronomical Union
Exoplanet_naming_convention
while the planet Fomalhaut b was named Dagon (after Dagon, an ancient Syrian “fish god”). Exoplanet naming convention assigns uncapitalized letters starting
List_of_nearest_exoplanets
Topics referred to by the same term
System Planetary nomenclature, for features on those planets Exoplanet naming convention, for planets outside the Solar System Minor-planet designation
Naming_of_planets
directly imaged exoplanets List of exoplanets detected by timing Records in exoplanet detection List of exoplanet extremes List of exoplanet firsts Potential
Lists_of_planets
Disked object that eclipsed V1400 Centauri
Centauri as an exoplanet. The name J1407b follows the exoplanet naming convention by adding the letter "b" after the host star's name. At the time of
J1407b
Red dwarf star in the constellation Lynx
1979. The four planets are lettered b, c, d and e, following exoplanet naming convention. The planetary system of LHS 1903 is notable for its unusual
LHS_1903
Planet outside of the Solar System
An exoplanet or extrasolar planet is a planet outside the Solar System. The first confirmed detection of an exoplanet was in 1992 around a pulsar, and
Exoplanet
Circumbinary exoplanet orbiting TOI-1338
planet's name follows the exoplanet naming convention of taking the parent star's name and adding a lowercase letter after it. As it is the first exoplanet discovered
TOI-1338_b
Gas giant exoplanet orbiting HD 209458
first planet to be discovered around the star HD 209458, as per exoplanet naming convention. The host star's designation comes from the Henry Draper Catalogue
HD_209458_b
Planetary object disrupted by other body
In astronomy, a disrupted planet is a planet or exoplanet or, perhaps on a somewhat smaller scale, a planetary-mass object, planetesimal, moon, exomoon
Disrupted_planet
Super-Earth orbiting PSR B1257+12
U. (2010). "On the naming convention used for multiple star systems and extrasolar planets". arXiv:1012.0707 [astro-ph.SR]. "NameExoWorlds: An IAU Worldwide
PSR_B1257+12_B
Earth-size exoplanet orbiting Kepler-1649
Kepler-1649c is an Earth-sized exoplanet, likely rocky, orbiting within the habitable zone of the red dwarf star Kepler-1649, the outermost planet of
Kepler-1649c
lower-case letter such as b, c, or d, may be exoplanets (see Exoplanet naming convention). Some exoplanets, especially those detected by radial velocity
List_of_brown_dwarfs
Super-Earth ice exoplanet
OGLE-2005-BLG-390Lb (known sometimes as Hoth by NASA) is a super-Earth ice exoplanet orbiting OGLE-2005-BLG-390L, a star 21,500 ± 3,300 light-years (6,600 ± 1
OGLE-2005-BLG-390Lb
Exoplanet orbiting 51 Pegasi
International Astronomical Union launched NameExoWorlds, a process for giving proper names to certain exoplanets and their host stars. The process involved
51_Pegasi_b
Exoplanet orbiting 82 G. Eridani
82 G. Eridani (HD 20794) are named with lowercase letters in order of discovery, following the exoplanet naming convention. However, designations are inconsistent
HD_20794_d
Sub Earth orbiting PSR B1257+12
U. (2010). "On the naming convention used for multiple star systems and extrasolar planets". arXiv:1012.0707 [astro-ph.SR]. "NameExoWorlds: An IAU Worldwide
PSR_B1257+12_A
American astronomer
system with that technique. Ballard took part in the discovery of four exoplanets (early numbered) in the Kepler spacecraft mission prior to its finding
Sarah_Ballard
Exoplanet in the constellation Virgo
as per exoplanet naming convention. This planet and its host star were included among the 20 systems selected to be named in the third NameExoWorlds
Gliese_486_b
Large, round non-stellar astronomical object
upon: the exoplanets Encyclopaedia includes objects up to 60 MJ, and the Exoplanet Data Explorer up to 24 MJ. The smallest known exoplanet with an accurately
Planet
Star in the constellation Cetus
Fabo; Tuomi, Mikko; Jones, Hugh R. A. (2018). "Minimizing the bias in exoplanet detection – application to radial velocities of LHS 1140". arXiv:1807
LHS_1140
Circumbinary exoplanet orbiting TOI-1338
name follows the exoplanet naming convention of taking the parent star's name and adding a lowercase letter after it. As it is the second exoplanet discovered
TOI-1338_c
Exoplanet orbiting Kepler-16
Kepler-16b (formally Kepler-16 (AB)-b) is a Saturn-sized exoplanet consisting of half gas and half rock and ice. It orbits a binary star, Kepler-16, with
Kepler-16b
Accumulation of matter around a star
disks Accretion disk Circumstellar envelope Disrupted planet Exoasteroid Exoplanet Formation and evolution of the Solar System Peter Pan disk Tabby's Star
Circumstellar_disc
Star in the constellation Draco
(or TrES-2A) and the planet TrES-2b, following the standard exoplanet naming convention. In keeping with the planet being component b, the companion
TrES-2A
Gas giant exoplanet orbiting HIP 65426
designation inherited from the host star's name, HIP 65426, following the exoplanet naming convention, where exoplanets receive lowercase letters. The designation
HIP_65426_b
The following is a list of exoplanet search projects. EXCEDE FINESSE Origins HabEx LUVOIR New Worlds Mission PEGASE Darwin EChO Eddington Space Interferometry
List of exoplanet search projects
List_of_exoplanet_search_projects
IAU exoworld naming projects
Telescope. The names were announced in June 2023. Astronomical naming conventions IAU Working Group on Star Names List of proper names of exoplanets List of
NameExoWorlds
Super-Earth orbiting PSR B1257+12
B1257+12 C, alternatively designated PSR B1257+12 d and also named Phobetor, is a super-Earth exoplanet orbiting the pulsar Lich approximately 2,315 light-years
PSR_B1257+12_C
Extrasolar planet
Institute for Particle Astrophysics and Cosmology. 51 Eridani b is the first exoplanet discovered by the Gemini Planet Imager. The Gemini Planet Imager was specifically
51_Eridani_b
Systematic designations to unambiguously identify astronomical objects
designating exoplanets (planets orbiting other stars). The process of naming them is organized by the IAU Executive Committee Working Group Public Naming of Planets
Astronomical naming conventions
Astronomical_naming_conventions
Accumulation of matter around a planet
2M1207B) might be classified as a binary together with 2M1207A and not an exoplanet. This would make the disk around 2M1207b a circumstellar disk, despite
Circumplanetary_disk
Small particles between exoplanets
exozodiacal disks are also commonly found near spectral type A-K stars. By convention, exozodiacal dust refers to the innermost and hottest part of these debris
Exozodiacal_dust
Circumbinary gas giant orbiting the Kepler-1647 star system
Kepler-1647b (sometimes named Kepler-1647(AB)b to distinguish it from the secondary component) is a circumbinary exoplanet that orbits the binary star
Kepler-1647b
Orange dwarf star in the constealltion Lyra
the star TrES-1 and the planet TrES-1b, following the standard exoplanet naming convention. Since the planet transits the star, the star is classified as
GSC_02652-01324
Frigid super-Earth orbiting OGLE-2016-BLG-1195L
parameters update) to the planet with the same name from the Star Wars franchise. A similar exoplanet, OGLE-2005-BLG-390Lb, has also been compared to
OGLE-2016-BLG-1195Lb
Super Neptune in a circumbinary orbit
planet "c", as their solution to "an apparent inconsistency" in exoplanet naming convention. Other sources, such as the SIMBAD Astronomical Database and
OGLE-2007-BLG-349Lb
Exosolar object orbiting OGLE-2016-BLG-1190L
OGLE-2016-BLG-1190Lb is an extremely massive exoplanet, with a mass about 13.4 times that of Jupiter (MJ), or is, possibly, a low mass brown dwarf, orbiting
OGLE-2016-BLG-1190Lb
Star in the constellation Hercules
TrES-4b, following the standard exoplanet naming convention. In 2008 a study was undertaken of 14 stars with exoplanets that were originally discovered
GSC_02620-00648
names, which consequently came into conflict with the names of natural satellites. Some Solar System bodies also share names with stars, exoplanets or
Name_conflicts_in_astronomy
Planetary mass companion orbiting GU Piscium
Discovered Exoplanet Takes 80,000 Years to Orbit its Star". Sci-News.com. May 14, 2014. Brett Smith (May 14, 2014). "Finding An Exoplanet That Takes 80
GU_Piscium_b
Star in the constellation Cygnus
the standard exoplanet naming convention. In 2011, a transiting hot Jupiter planet, TrES-5b, was detected by the Trans-Atlantic Exoplanet Survey. The host
GSC_03949-00967
Star in the constellation Pegasus
was the first main-sequence star found to have an exoplanet (designated 51 Pegasi b, officially named Dimidium) orbiting it. The star's apparent magnitude
51_Pegasi
Ancient circumbinary jovian exoplanet orbiting PSR B1620-26 binary system
PSR B1620-26 b is an exoplanet located approximately 12,400 light-years from Earth in the constellation of Scorpius. It bears the unofficial nicknames
PSR_B1620−26_b
Star in the constellation Hercules
the star TrES-3 and the planet TrES-3b, following the standard exoplanet naming convention. Since the planet transits the star, the star is classified as
GSC_03089-00929
G-type main-sequence star in the constellation Cygnus
Kepler-452, which is the normal procedure for naming exoplanets discovered by the spacecraft. Hence, this is the name usually used by the public to refer to
Kepler-452
Binary star system in the globular cluster of Messier 4
rules to use for this unusual star system. One side regards the A/B convention of naming binary stars as having priority, so that the pulsar is PSR B1620−26
PSR_B1620−26
Timeline of white dwarfs, neutron stars, and supernovae Exoplanet Lists of planets Lists of exoplanets The Bright Star Catalog, Astronomical Data Center, NSSDC/ADC
Lists_of_stars
Speculative evolution project
project by Turkish artist C. M. Kösemen, focused on a fictional exoplanet of the same name. Begun in the early 2000s and inspired by earlier works such as
Snaiad
Star in the constellation Draco, orbited by eight planets
known exoplanets HD 10180, star with at least six known exoplanets, and three exoplanet candidates Kepler-385, star with at least three known exoplanets, and
Kepler-90
Commercial complex in Pak Kret, Thailand
เมืองทองธานี) is a commercial complex consisting of the Impact Arena, a convention centre, and exhibition halls, located in Muang Thong Thani in Pak Kret
Impact,_Muang_Thong_Thani
Center (MPC), and the discoverers can then submit names for them, following the IAU's naming conventions. The list below concerns those minor planets in
Meanings of minor-planet names: 6001–7000
Meanings_of_minor-planet_names:_6001–7000
Nearest star to the Solar System
another four trillion years. Proxima Centauri has two known exoplanets and one candidate exoplanet: Proxima Centauri b, Proxima Centauri d and the disputed
Proxima_Centauri
Moon beyond the Solar System
An exomoon or extrasolar moon is a natural satellite that orbits an exoplanet or other non-stellar extrasolar body. Exomoons are difficult to detect and
Exomoon
Disproven super-Earth orbiting Gliese 581
candidate exoplanet postulated to orbit within the Gliese 581 system, twenty light-years from Earth. It was discovered by the Lick–Carnegie Exoplanet Survey
Gliese_581g
Life that does not originate on Earth
have arisen elsewhere? What are the requirements for life? Are there exoplanets like Earth? How likely is the evolution of intelligent life? More unsolved
Extraterrestrial_life
Millisecond pulsar in the constellation Virgo
explicitly recognized the names of exoplanets and their host stars approved by the Executive Committee Working Group Public Naming of Planets and Planetary
PSR_B1257+12
Star in the constellation Aquarius
Bibcode:2017ApJ...836..167D. doi:10.3847/1538-4357/836/2/167. "NASA Exoplanet Archive". NASA Exoplanet Science Institute. 14 October 2020. Retrieved 2020-10-13.
K2-72
Star observed by the Kepler space telescope that is suspected to have a transiting planet
confirmed as exoplanets. The KOI numbers are not going to increase, and with advanced technology telescopes, KOIs could become confirmed exoplanets faster than
Kepler_object_of_interest
Star in the constellation Cygnus
around it. Kepler-69b is a hot super-Earth-sized exoplanet. Kepler-69c is a super-Earth-sized exoplanet, about 2.2 times larger than Earth. It receives
Kepler-69
Star in the constellation Hercules
164922 b List of exoplanets discovered in 2016 - HD 164922 c List of exoplanets discovered in 2020 - HD 164922 d List of exoplanets discovered in 2021
HD_164922
Star in the constellation Draco
discoverers. Also in 2015, Psi1 Draconis B was discovered to be orbited by an exoplanet, designated Psi1 Draconis Bb. ψ1 Draconis (Latinised to Psi1 Draconis)
Psi1_Draconis
Star system in the Centaurus constellation
possible new planet?". The Guardian. Retrieved 16 January 2022. "Naming of Exoplanets". International Astronomical Union. Archived from the original on
Alpha_Centauri
Species of salamander
2025. "Approved names". nameexoworlds.iau.org. Retrieved 2 January 2020. "100 000s of People from 112 Countries Select Names for Exoplanet Systems In Celebration
Axolotl
Calendar year
before the International Court of Justice, alleging violations of the Convention on the Prevention and Punishment of the Crime of Genocide by the UAE through
2025
Dar-Benn. Titan (based on the Marvel Comics location of the same name) is an exoplanet and the homeworld of Thanos before its inhabitants were wiped out
Features of the Marvel Cinematic Universe
Features_of_the_Marvel_Cinematic_Universe
Center (MPC), and the discoverers can then submit names for them, following the IAU's naming conventions. The list below concerns those minor planets in
Meanings of minor-planet names: 12001–13000
Meanings_of_minor-planet_names:_12001–13000
Star in the constellation Ara
explicitly recognized the names of exoplanets and their host stars approved by the Executive Committee Working Group Public Naming of Planets and Planetary Satellites
Mu_Arae
Third planet from the Sun
earscirev.2009.09.002. Kelley, Peter (17 August 2017). "Tidally locked exoplanets may be more common than previously thought". Uw News. Archived from the
Earth
named after individual people. It is common in astronomy for objects to be given names, in accordance with accepted astronomical naming conventions.
Stars_named_after_people
Hypothetical travel between stars or planetary systems
benefits of interstellar travel include detailed surveys of habitable exoplanets and distant stars, comprehensive search for extraterrestrial intelligence
Interstellar_travel
Concept in astrophysics
confirmed exoplanets were discovered in 1992, orbiting the pulsar PSR B1257+12. Several hundred candidate exoplanets have been identified within convention habitable
Habitable zone for complex life
Habitable_zone_for_complex_life
2014 film by Christopher Nolan
locations included the Westin Bonaventure Hotel and Suites, the Los Angeles Convention Center, a Sony Pictures soundstage in Culver City, and a private residence
Interstellar_(film)
Astrophysical phenomenon
1102F. doi:10.1086/428383. S2CID 121872365. Zhu, Wei; Dong, Subo (2021). "Exoplanet Statistics and Theoretical Implications". Annual Review of Astronomy and
Supernova
Red dwarf in the constellation Lyra
three confirmed planets and a likely fourth, including the lowest-mass exoplanet with a measured mass and size discovered to date, Kepler-138b, with a
Kepler-138
French comics author (1938–2012)
sim set on Mars (2025). Synergy : colony sim set on a fictional arid exoplanet (2025). Rova : photography game with space-rover in alien worlds (2026)
Jean_Giraud
Space exploration concept
seek out and exterminate lifeforms and life-bearing exoplanets whenever they are encountered. The name is derived from the Berserker series of novels by
Self-replicating_spacecraft
K-type main sequence star in the constellation Cygnus
ISSN 0004-6256. S2CID 18913331. Vizier catalog entry "NASA Exoplanet Archive". NASA Exoplanet Science Institute. Retrieved 2016-08-02. Kawahara, Hajime;
Kepler-1520
Astronomical phenomenon due to the gravitational lens effect
1086/420928. S2CID 17610640. [1] Exoplanet and Candidate statistics, via the NASA Exoplanet Science Institute Exoplanet Archive. Udalski; Jaroszynski; Paczynski;
Gravitational_microlensing
IAU group to catalog and standardize proper names for stars
explicitly recognized the names of exoplanets and their host stars approved by the Executive Committee Working Group Public Naming of Planets and Planetary
IAU Working Group on Star Names
IAU_Working_Group_on_Star_Names
Gas giant planet orbiting Nu Octantis A
Nu Octantis Ab (ν Octantis Ab) is a gas giant exoplanet. It is orbiting around the subgiant star Nu Octantis A, which is part of a binary star system
Nu_Octantis_Ab
Chemical compound of hydrogen and oxygen
September 2014). "NASA Telescopes Find Clear Skies and Water Vapor on Exoplanet". NASA. Archived from the original on 14 January 2017. Retrieved 24 September
Water
1961–1972 American crewed lunar exploration program
program was named after the Greek god Apollo by NASA manager Abe Silverstein, who later said, "I was naming the spacecraft like I'd name my baby." Silverstein
Apollo_program
Triple star system in the constellation Eridanus
A. Vulcan has been referenced in relation to the real-life search for exoplanets in this system. The hypothetical planet 40 Eridani A b is also mentioned
40_Eridani
Alphabetical list of scientific disciplines
redirect targets – study of extraterrestrial life. Exoplanetology – study of exoplanets. Felinology – Study of cats – study of felines. Finance – Academic discipline
Index_of_branches_of_science
Study of past and present water on Mars
"Turbulent Fluxes and Evaporation/Sublimation Rates on Earth, Mars, Titan, and Exoplanets". Journal of Geophysical Research: Planets. 129 (4) e2023JE008114. Bibcode:2024JGRE
Water_on_Mars
Red dwarf star in the constellation Cygnus
Kepler-1229, which is the normal procedure for naming the exoplanets discovered by the spacecraft. Hence, this is the name used by the public to refer to the star
Kepler-1229
Distance from the Earth surface to a point near its center
R. (2010). " R ⊕ {\displaystyle R_{\oplus }} The Earth's Radius (and exoplanets)". Sixty Symbols. Brady Haran for the University of Nottingham. Wikimedia
Earth_radius
Distance that light travels in one year
the universe". Retrieved 1 November 2014. "Chapter 1, Table 1-1", IERS Conventions (2003), archived from the original on 19 April 2014, retrieved 19 January
Light-year
Binary star system in the Cygnus constellation
S.; Tokadjian, Armen; Tuthill, Peter (2026). "Searching for Habitable Exoplanets with Relative Astrometry (SHERA). I. The Case for Searching for Planets
61_Cygni
Seventh planet from the Sun
"Formation of Giant Planets". In Deeg, H.; Belmonte, J. (eds.). Handbook of Exoplanets. Springer International Publishing AG. pp. 2319–2343. arXiv:1806.05649
Uranus
Treadmill aboard the International Space Station
that could be used every day by the crew. The name for the treadmill (COLBERT) came about due to a naming contest that NASA held for what became the Tranquility
Treadmill with Vibration Isolation Stabilization
Treadmill_with_Vibration_Isolation_Stabilization
Set of non-stellar objects in orbit around a star
"Sol" (Latin for sun). As of 23 April 2026, there are 6,416 confirmed exoplanets in 4,809 planetary systems, with 1,061 systems having more than one planet
Planetary_system
When can I name my discovery?". Minor Planet Center. Retrieved 20 July 2019. "Minor Planet Naming Guidelines (Rules and Guidelines for naming non-cometary
List of minor planets: 541001–542000
List_of_minor_planets:_541001–542000
K-type main sequence star in the constellation Lyra
Kepler-442, which is the normal procedure for naming the exoplanets discovered by the spacecraft. Hence, this is the name used by the public to refer to the star
Kepler-442
Branch of astrophysics
In most of stellar dynamics literature, it is convenient to adopt the convention that the particle mass is unity in solar mass unit M ⊙ {\displaystyle
Stellar_dynamics
events occurred in 2013, including the discovery of numerous Earthlike exoplanets, the development of viable lab-grown ears, teeth, livers and blood vessels
2013_in_science
Visible star that is nearly aligned with Earth's axis of rotation
In the Vishnu Purana, it is personified under the name Dhruva (ध्रुव, "immovable, fixed"). The name stella polaris was coined in the Renaissance, even
Pole_star
Large self-illuminated object in space
Retrieved 24 August 2006. Greskovic, Peter; Rudy, Peter (24 July 2006). "Exoplanets". ESO. Archived from the original on 10 October 2008. Retrieved 15 June
Star
Rapidly rotating storm system
tropical cyclone frequency and distribution on Earth-like exoplanets. Earth-sized exoplanets are expected to be common around dim red dwarf stars; for
Tropical_cyclone
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EXOPLANET NAMING-CONVENTION
EXOPLANET NAMING-CONVENTION
EXOPLANET NAMING-CONVENTION
EXOPLANET NAMING-CONVENTION
EXOPLANET NAMING-CONVENTION
EXOPLANET NAMING-CONVENTION
EXOPLANET NAMING-CONVENTION
EXOPLANET NAMING-CONVENTION
EXOPLANET NAMING-CONVENTION
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