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Exomoon

Definition

An exomoon or extrasolar moon is a natural satellite that orbits an exoplanet or other non-stellar extrasolar body.

Related concepts

(136617) 1994 CC (153591) 2001 SN263 107 Camilla 120347 Salacia 130 Elektra 152830 Dinkinesh 174567 Varda 216 Kleopatra 225088 Gonggong 229762 Gǃkúnǁʼhòmdímà 22 Kalliope 243 Ida 2MASS J11193254–1137466 AB 2MASS J11193254−1137466 3122 Florence 317 Roxane 31 Euphrosyne 3548 Eurybates 3749 Balam 41 Daphne 45 Eugenia 47171 Lempo 50000 Quaoar 532037 Chiminigagua 55637 Uni 617 Patroclus 624 Hektor 65803 Didymos 66391 Moshup 762 Pulcova 79360 Sila–Nunam 87 Sylvia 90482 Orcus 93 Minerva A-type main-sequence star Accretion (astrophysics)Accretion disk Actaea (moon)Adrastea (moon)Aegaeon (moon)Aegir (moon)Aitne (moon)Albiorix (moon)Alvaldi (moon)Amalthea (moon)Ananke (moon)Ananke group Angrboda (moon)Anthe (moon)Aoede (moon)Arche (moon)Ariel (moon)Asteroid Asteroid belt Asteroids Astrobiology Astrometry Astronomical object Astronomy (magazine)Astronomy and Astrophysics Astrooceanography Atlas (moon)Atmosphere Atmosphere of Triton Autonoe (moon)B-type main-sequence star Barycenter Bebhionn (moon)Beli (moon)Belinda (moon)Bergelmir (moon)Beryllium Bestla (moon)Bianca (moon)Billion years Binary star Blanet Bleriot (moonlet)Boron Brown dwarf CHEOPS Caliban (moon)Callirrhoe (moon)Callisto (moon)Calypso (moon)Carbon Carbon planet Carl Sagan Institute Carme (moon)Carme group Carpo (moon)Cassini–Huygens Catalog of Nearby Habitable Systems Catastrophically evaporating planet Chaldene Charon (moon)Chiron (hypothetical moon)Chrysalis (hypothetical moon)Chthonian planet Circumbinary planet Circumplanetary disk Circumstellar disc Circumstellar envelope Circumstellar habitable zone Circumtriple planet Climate of Triton Co-orbital configuration Co-orbital moon Cold Jupiter Columbia University Comet Cordelia (moon)Coreless planet Cosmic dust Cosmic ray spallation Cosmic shoreline Cressida (moon)Cupid (moon)Cyllene (moon)Dactyl (moon)Daphnis (moon)David Kipping Debris disk Definition of planet Deimos (moon)Desdemona (moon)Desert planet Despina (moon)Detached object Dia (moon)Dimorphos Dione (moon)Discoveries of exoplanets Disrupted planet Doppler spectroscopy Double planet Dwarf planet Dysnomia (moon)ESPRESSO Earhart (moon)Earth Earth analog Eccentric Jupiter Ecumenopolis Eggther (moon)Eirene (moon)Elara (moon)Electronvolt Enceladus Epimetheus (moon)Erinome Eris (dwarf planet)Erriapus Ersa (moon)Euanthe (moon)Eukelade Eupheme (moon)Euporie (moon)EurekAlert!Europa (moon)Eurydome (moon)Exocomet Exoplanet Exoplanet Data Explorer Exoplanet interiors Exoplanet naming convention Exoplanet orbital and physical parameters Exoplanetary Circumstellar Environments and Disk Explorer Exozodiacal dust Extragalactic planet Extrasolar Planets Encyclopaedia Extrasolar planets in fiction Extraterrestrial liquid water Extraterrestrial materials Extraterrestrial sample curation Eyeball planet F-type main-sequence star Farbauti (moon)Fenrir (moon)Ferdinand (moon)Formation and evolution of the Solar System Fornjot (moon)Francisco (moon)G-type main-sequence star GALEX J2339–0424 GD 378 Galactic habitable zone Galatea (moon)Galilean moons Gallic group Ganymede (moon)Gas giant Geirrod (moon)Geodynamics of terrestrial exoplanets Geology of Triton Gerd (moon)Gertrude (crater)Giant-impact hypothesis Giant planet Gliese 876 Globular cluster Gravitational collapse Gravitational microlensing Greip (moon)Gridr (moon)Gunnlod (moon)Gǃòʼé ǃHú HD 189733 b HD 209458 b HIP 12961 HIP 57050 Habitability of F-type main-sequence star systems Habitability of K-type main-sequence star systems Habitability of binary star systems Habitability of natural satellites Habitability of neutron star systems Habitability of red dwarf systems Habitability of yellow dwarf systems Habitable zone Habitable zone for complex life Halimede (moon)Hamlet (crater)Harpalyke (moon)Hati (moon)Hegemone (moon)Helene (moon)Helike (moon)Helium planet Herbig Ae/Be star Hermippe (moon)Herse (moon)Hill sphere Hills cloud Himalia (moon)Himalia group Hippocamp (moon)Hiʻiaka (moon)Hot Jupiter Hot Neptune Hubble time Hunt for Exomoons with Kepler Hycean planet Hydra (moon)Hyperion (moon)Hyrrokkin (moon)IAU definition of planet Iapetus (moon)Ice Ice giant Ice planet Ijiraq (moon)Ilmarë Inner moon International Astronomical Union Interplanetary dust cloud Interplanetary medium Interplanetary space Interstellar cloud Interstellar comet Interstellar dust Interstellar medium Inuit group Io (moon)Iocaste (moon)Iron planet Irregular moon Isonoe (moon)James Webb Space Telescope Janus (moon)Jarnsaxa (moon)Juliet (moon)Jupiter Jupiter's moons in fiction Jupiter-mass binary object Jupiter LI Jupiter LII Jupiter LIV Jupiter LIX Jupiter LV Jupiter LVI Jupiter LXI Jupiter LXIII Jupiter LXIV Jupiter LXIX Jupiter LXVI Jupiter LXVII Jupiter LXVIII Jupiter LXX Jupiter LXXII Jupiter analogue K-type main-sequence star Kachina Chasmata Kale (moon)Kallichore (moon)Kalyke Kari (moon)Katherine de Kleer Kepler-1625 Kepler-1625b Kepler-1625b I Kepler-1708b Kepler-46 Kepler (spacecraft)Kepler Mission Kepler telescope Kerberos (moon)Kiviuq (moon)Kore (moon)Kuiper belt Lagrange point Laomedeia Larissa (moon)Lava planet Leda (moon)Linus (moon)List of Solar System objects in hydrostatic equilibrium List of asteroid moons List of directly imaged exoplanets List of exomoon candidates List of exoplanet extremes List of exoplanet firsts List of exoplanet search projects List of exoplanets detected by microlensing List of exoplanets detected by radial velocity List of exoplanets detected by timing List of exoplanets discovered before 2000 List of exoplanets discovered between 2000–2009 List of exoplanets discovered by the Kepler space telescope List of exoplanets discovered in 2010 List of exoplanets discovered in 2011 List of exoplanets discovered in 2012 List of exoplanets discovered in 2013 List of exoplanets discovered in 2014 List of exoplanets discovered in 2015 List of exoplanets discovered in 2016 List of exoplanets discovered in 2017 List of exoplanets discovered in 2018 List of exoplanets discovered in 2019 List of exoplanets discovered in 2020 List of exoplanets discovered in 2021 List of exoplanets discovered in 2022 List of exoplanets discovered in 2023 List of exoplanets discovered in 2024 List of exoplanets discovered in 2025 List of exoplanets discovered in 2026 List of exoplanets observed during Kepler's K2 mission List of geological features on Ariel List of geological features on Miranda List of geological features on Oberon List of geological features on Puck List of geological features on Titania List of geological features on Umbriel List of interstellar and circumstellar molecules List of largest exoplanets List of most massive exoplanets List of multiplanetary systems List of natural satellites List of nearest exoplanets List of nearest terrestrial exoplanet candidates List of planet types List of possible dwarf planets List of potentially habitable exoplanets List of proper names of exoplanets List of resolved circumstellar disks List of transiting exoplanets Lists of exoplanets Lists of planets Lithium Loge (moon)Lysithea (moon)Mab (moon)Magnetic field Magnetosphere Makemake Margaret (moon)Mars Mega-Earth Megaclite Menoetius (moon)Mesoplanet Messina Chasmata Metallicity Methods of detecting exoplanets Methods of detecting extrasolar planets Methone (moon)Metis (moon)Microlensing Mimas Mimas (moon)Mini-Neptune Minor-planet moon Miranda (moon)Mneme (moon)Molecular cloud Mommur Chasma Monash University Monthly Notices of the Royal Astronomical Society Moon Moonlet Moons of Haumea Moons of Jupiter Moons of Mars Moons of Neptune Moons of Pluto Moons of Saturn Moons of Uranus Mundilfari (moon)Myr NASA NASA Exoplanet Archive NASA Star and Exoplanet Database Naiad (moon)Namaka (moon)Naming of moons Narvi (moon)Natural satellite Natural satellite habitability Nature (journal)Nebular hypothesis Neptune Neptune trojan Neptunian desert Neptunian exoplanet Nereid (moon)Neso (moon)Nexus for Exoplanet System Science Nitrogen Nix (moon)Norse group Oberon (moon)Ocean world Olympias (moon)Oort cloud Open Exoplanet Catalogue Ophelia (moon)Orbital resonance Orthosie (moon)Outer space Oxygen PLATO (spacecraft)PSR B1620-26 b Paaliaq Pallene (moon)Pan (moon)Pandia (moon)Pandora (moon)Pasiphae (moon)Pasiphae group Pasithee (moon)Peggy (moonlet)Penny Sackett Perdita (moon)Petit-Prince (moon)Phase curve (astronomy)Philophrosyne (moon)Phobos (moon)Phoebe (moon)Phys.org Planet Planet-hosting star Planetary-mass moon Planetary-mass object Planetary habitability Planetary migration Planetary science Planetary system Planetesimal Polarimetry Polydeuces (moon)Portia (moon)Potassium Praxidike (moon)Primary (astronomy)Prometheus (moon)Prospero (moon)Proteus (moon)Proton Protoplanet Protoplanetary disk Psamathe (moon)Puck (moon)Pulsar planet Pulsar planets Quaoar Queta (moon)Radial drift Red dwarf Red giant Regular moon Remus (moon)Retrograde and prograde motion Rhea (moon)Ring system Rings of Haumea Rings of Jupiter Rings of Neptune Rings of Saturn Rings of Uranus Robin Canup Rogue planet Roman numeral Romulus (moon)Rosalind (moon)Rossiter–McLaughlin effect Rousillon Rupes Rubble pile S/2002 N 5 S/2003 J 10 S/2003 J 12 S/2003 J 16 S/2003 J 23 S/2003 J 24 S/2003 J 4 S/2003 J 9 S/2004 S 12 S/2004 S 13 S/2004 S 17 S/2004 S 21 S/2004 S 24 S/2004 S 28 S/2004 S 3 S/2004 S 31 S/2004 S 36 S/2004 S 37 S/2004 S 39 S/2004 S 4 S/2004 S 6 S/2004 S 7 S/2005 S 5 S/2006 S 1 S/2006 S 12 S/2006 S 20 S/2006 S 3 S/2006 S 9 S/2007 S 2 S/2007 S 3 S/2009 S 1 S/2011 J 3 S/2015 (136472) 1 S/2018 J 2 S/2018 J 4 S/2019 S 1 S/2020 S 4 S/2020 S 5 S/2021 N 1 S/2023 U 1 Sample-return mission Santos-Dumont (moon)Sao (moon)Saturn Saturn LVIII Saturn LX Saturn LXIV Saturn in fiction Scattered disc Science (journal)Second generation planet Selam (moon)Setebos (moon)Siarnaq Sinope (moon)Skamandrios (moon)Skathi (moon)Skoll (moon)Skrymir (moon)Skynd (crater)Small planet radius gap Sodium Solar System Spectral resolution Sponde Squannit (moon)Star formation Steam world Stellar collision Stellar wind Stephano (moon)Styx (moon)Sub-Earth Sub-Neptune Sub-brown dwarf Subdwarf B star Subgiant Submoon Subsatellite Sudarsky's gas giant classification Super-Earth Super-Jupiter Super-Neptune Super-puff Superhabitable planet Surtur (moon)Suttungr (moon)Sycorax (moon)Synchronous orbit T Tauri star Tabby's Star Tarqeq Tarvos (moon)Taygete (moon)Telesto (moon)Terrestrial planet Terrestrial planets Tethys (moon)Thalassa (moon)The Astrophysical Journal Thebe (moon)Thelxinoe (moon)Themis (hypothetical moon)Themisto (moon)Thiazzi (moon)Tholin Three-body problem Thrymr (moon)Thyone (moon)Tidal force Tidal heating Tidal locking Tidally detached exomoon Tidally locked Timeline of discovery of Solar System planets and their moons Titan-like exoplanet Titan (moon)Titania (moon)Titius–Bode law Toroidal planet Transit-timing variation Transit method Trinculo (moon)Triton (moon)Trojan moon Ultra-cool dwarf Ultra-hot Jupiter Ultra-hot Neptune Ultra-short period planet Umbriel University of Bern Uranus Uranus XXVIII Ursula (crater)Valetudo (moon)Vanth (moon)Venus-like exoplanet Verona Rupes Vuver (crater)WASP-12 b WASP-49 Warm Jupiter Weywot White dwarf Wired (website)Wunda (crater)Xiangliu (moon)Yangoor (crater)Yellow giant Ymir (moon)

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