View source for List of potentially habitable exoplanets

{{Short description|none}} <!-- "none" is preferred when the title is sufficiently descriptive; see [[WP:SDNONE]] -->
{{Life in the Universe}}
The following list includes some of the '''potentially habitable exoplanets''' discovered so far. It is mostly based on estimates of habitability by the Habitable Worlds Catalog (HWC), and data from the [[NASA Exoplanet Archive]]. The HWC is maintained by the [[Planetary Habitability Laboratory]] at the [[University of Puerto Rico at Arecibo]].<ref name="HEC" /> There is also a speculative list being developed of [[superhabitable planet]]s.

Surface [[planetary habitability]] is thought to require an orbit at the right distance from the host star for liquid surface water to be present, in addition to various [[Geophysics|geophysical]] and [[Geodynamics|geodynamical]] aspects, atmospheric density, radiation type and intensity, and the host star's [[Plasma (physics)|plasma]] environment.<ref name="Review 2009">{{cite journal|title=What makes a planet habitable? |journal=The Astronomy and Astrophysics Review |year=2009 |last1=Lammer |first1=H. |last2=Bredehöft |first2=J. H. |last3=Coustenis |first3=A. |last4=Khodachenko |first4=M. L. |display-authors=etal |volume=17 |issue=2 |pages=181–249 |doi=10.1007/s00159-009-0019-z |url=http://veilnebula.jorgejohnson.me/uploads/3/5/8/7/3587678/lammer_et_al_2009_astron_astro_rev-4.pdf |access-date=2016-05-03 |bibcode=2009A&ARv..17..181L |s2cid=123220355 |url-status=dead |archive-url=https://web.archive.org/web/20160602235333/http://veilnebula.jorgejohnson.me/uploads/3/5/8/7/3587678/lammer_et_al_2009_astron_astro_rev-4.pdf |archive-date=2016-06-02 }}</ref>

== List ==
{{dynamic list}}
This is a list of [[exoplanet]]s within the [[circumstellar habitable zone]] that are either under 10 Earth masses or smaller than 2.5 Earth radii, and thus have a chance of being [[terrestrial planet|rocky]].<ref name="Méndez González-Espada 2016 p. 1"/><ref name="HEC" /> Note that inclusion on this list does not guarantee habitability, and in particular the larger planets are more unlikely to have a rocky composition.<ref name="ChenKipping2017">{{cite journal |arxiv=1603.08614|doi=10.3847/1538-4357/834/1/17 |title=Probabilistic Forecasting of the Masses and Radii of Other Worlds |year=2017 |last1=Chen |first1=Jingjing |last2=Kipping |first2=David |journal=The Astrophysical Journal |volume=834 |issue=1 |page=17 |s2cid=119114880 |bibcode=2017ApJ...834...17C |doi-access=free }}</ref> Earth is included for both comparison and reference, while Venus and Mars are included for reference only.

Note that mass and radius values prefixed with "~" have not been measured, but are estimated from a mass-radius relationship.

{{clear}}
{{Sticky header}}{{Sort under}}
{|class="wikitable sortable sticky-header sort-under" style="text-align:center;"
!Object
!Star
![[Star type]]
!data-sort-type="number"|Mass (M<sub>⊕</sub>)
!data-sort-type="number"|Radius (R<sub>⊕</sub>)
!data-sort-type="number"|[[Density]] (g/cm<sup>3</sup>)
!data-sort-type="number"|[[Stellar flux|Flux]] (F<sub>⊕</sub>)
!data-sort-type="number"|[[Planetary equilibrium temperature|T<sub>eq</sub>]] (K) <!-- HEC now appears to list estimated surface temperatures rather than Teq -->
!data-sort-type="number"|Period (days)
!data-sort-type="number"|Distance (ly)
!Refs/Notes
|-style="background:#69db6f;"
| [[Earth]]<br /><small>(reported for reference)</small>|| [[Sun]] || {{StarG|G2V}} || {{nts|1.00}} || {{nts|1.00}}
|5.514|| {{nts|1.00}} || {{nts|255}} || 365.25 || 0 || <small>Only planet known to support life.</small>
|-style="background:#69db6f;"
| [[Venus]]<br /><small>(reported for reference)</small>|| [[Sun]] || {{StarG|G2V}} || {{nts|0.815}} || {{nts|0.950}}
|5.243 || {{nts|1.911}} || {{nts|244.261}} || 224.70 || 0.0000042 ||  <ref>{{Cite web |title=NASA Venus Fact Sheet|url=https://nssdc.gsfc.nasa.gov/planetary/factsheet/venusfact.html|access-date=2023-04-30|website= nssdc.gsfc.nasa.gov/}} </ref>
|-style="background:#69db6f;"
| [[Mars]]<br /><small>(reported for reference)</small>|| [[Sun]] || {{StarG|G2V}} || {{nts|0.107}} || {{nts|0.533}}
|3.934 || {{nts|0.431}} || {{nts|209.8}} || 686.98 || 0.0000058 - 0.000042 ||  <ref>{{Cite web |title=NASA Mars Fact Sheet|url=https://nssdc.gsfc.nasa.gov/planetary/factsheet/marsfact.html|access-date=2024-10-25|website= nssdc.gsfc.nasa.gov/}} </ref>
|-
| [[Gliese_12#Planetary_system|Gliese 12 b]] || [[Gliese 12]] || {{StarM|M4V}} || {{val|0.88|0.39|0.26}} || {{val|1.03|0.11}}
| {{nts|4.44}} || {{val|1.6|0.2}} || {{nts|315}} || 12.7 || 40 || <ref>{{Citation |last1=Dholakia |first1=Shishir |title=Gliese 12 b, A Temperate Earth-sized Planet at 12 Parsecs Discovered with TESS and CHEOPS |date=2024-05-21 |arxiv=2405.13118 |last2=Palethorpe |first2=Larissa |last3=Venner |first3=Alexander |last4=Mortier |first4=Annelies |last5=Wilson |first5=Thomas G. |last6=Huang |first6=Chelsea X. |last7=Rice |first7=Ken |last8=Van Eylen |first8=Vincent |last9=Nabbie |first9=Emma|journal=Monthly Notices of the Royal Astronomical Society |volume=531 |issue=1 |page=1276 |doi=10.1093/mnras/stae1152 |doi-access=free |bibcode=2024MNRAS.531.1276D }}</ref>
|-
| [[Gliese 163 c]] || [[Gliese 163]] || {{StarM|M3V}} || {{nts|prefix=≥|6.80}} || —
| — || {{nts|1.25}} || {{nts|277}} || 25.6 || 49 || <ref name="HEC" />
|-
| [[Gliese 180 c]] || [[Gliese 180]] || {{StarM|M2V}} || {{nts|prefix=≥|6.40}} || —
| — || {{nts|0.78}} || {{nts|239}} || 24.3 || 39 || <small>Not confirmed</small><ref name="HEC" /><ref name="Feng2020" />
|-
| [[Gliese 180 d]] || [[Gliese 180]] || {{StarM|M2V}} || {{nts|prefix=≥|7.56}} || —
| — || {{nts|0.26}} ||  || 106.3 || 39 || <ref name="HEC" />
|-
| [[Gliese 229 Ac]] || [[Gliese 229]] A || {{StarM|M1V}} || {{nts|prefix=≥|8.57}} || —
| — || {{nts|0.44}} || {{nts|216}} || 121.9 || 18.8 ||
|-
| [[Gliese 357 d]] || [[Gliese 357]] || {{StarM|M2V}} || {{nts|prefix=≥|6.10}} || —
| — || {{nts|0.38}} || {{nts|200}} || 55.7 || 31 ||
|-
| [[Gliese 433 d]] || [[Gliese 433]] || {{StarM|M2V}} || {{nts|prefix=≥|5.22}} || —
| — || {{nts|1.06}} ||  || 36.1 || 29.6 || <ref name="HEC" />
|-
| [[Gliese 514 b]] || [[Gliese 514]] || {{StarM|M1V}} || {{nts|prefix=≥|5.20}} || —
| — || {{nts|0.28 (0.114-0.79)}} || {{nts|202}} || 140.4 || 25 || <small>Highly [[Orbital eccentricity|eccentric]]</small><ref name=Damasso2022>{{citation|arxiv=2204.06376|year=2022|title=A quarter century of spectroscopic monitoring of the nearby M dwarf Gl 514|last1=Damasso|first1=M.|last2=Perger|first2=M.|last3=Almenara|first3=J. M.|last4=Nardiello|first4=D.|last5=Pérez-Torres|first5=M.|last6=Sozzetti|first6=A.|last7=Hara|first7=N. C.|last8=Quirrenbach|first8=A.|last9=Bonfils|first9=X.|last10=Zapatero Osorio|first10=M. R.|last11=Astudillo-Defru|first11=N.|last12=González Hernández|first12=J. I.|last13=Suárez Mascareño|first13=A.|last14=Amado|first14=P. J.|last15=Forveille|first15=T.|last16=Lillo-Box|first16=J.|last17=Alibert|first17=Y.|last18=Caballero|first18=J. A.|last19=Cifuentes|first19=C.|last20=Delfosse|first20=X.|last21=Figueira|first21=P.|last22=Galadí-Enríquez|first22=D.|last23=Hatzes|first23=A. P.|last24=Henning|first24=Th.|last25=Kaminski|first25=A.|last26=Mayor|first26=M.|last27=Murgas|first27=F.|last28=Montes|first28=D.|last29=Pinamonti|first29=M.|last30=Reiners|first30=A.|journal=Astronomy & Astrophysics |volume=666 |pages=A187 |doi=10.1051/0004-6361/202243522 |s2cid=248157318 |display-authors=1}}</ref>
|-
| [[Gliese 555#Planetary system|Gliese 555 b]]|| [[Gliese 555]] || {{StarM|M4V}} || {{nts|prefix=≥|5.46}} || —
| — || {{nts|0.5}} || {{nts|214}} <ref>{{Cite web |title=HN Lib b |url=http://www.exoplanetkyoto.org/exohtml/HN_Lib_b.html |access-date=2024-07-28 |website=www.exoplanetkyoto.org}}</ref> || 36.2 || 20.4 || <small>Probably a [[mini-Neptune]] or an [[ocean planet]]</small><ref>{{cite journal |last1=Ribas |first1=I. |last2=Reiners |first2=A. |display-authors=etal |date=February 2023 |title=The CARMENES search for exoplanets around M dwarfs. Guaranteed time observations Data Release 1 (2016-2020) |journal=[[Astronomy & Astrophysics]] |volume=670 |issue= |pages=A139 |doi=10.1051/0004-6361/202244879 |arxiv=2302.10528 |bibcode=2023A&A...670A.139R}}</ref>
|-
| [[Gliese 625 b]] || [[Gliese 625]] || {{StarM|M2V}} || {{nts|prefix=≥|2.82}} || —
| — || || || 14.628 || 21.1 ||<small>Only in HZ if very optimistic models used</small><ref name="Suárez Mascareño2017"/><ref>{{cite web |url=https://www.drewexmachina.com/2017/05/22/habitable-planet-reality-check-is-gj-625b-a-super-earth-or-a-super-venus/ |title=Habitable Planet Reality Check: Is GJ 625b a Super-Earth or a Super-Venus? |last=LePage |first=Andrew |date=22 May 2017 |website=drewexmachina.com |access-date=15 September 2022}}</ref><ref>{{cite web |url=http://hzgallery.org/3417_2.png |title=GJ 625 |website=hzgallery.org |access-date=15 September 2022}}</ref>
|-
| [[Gliese 667 Cc]] || [[Gliese 667]] C || {{StarM|M1V}} || {{nts|prefix=≥|3.81}} || {{nts|prefix=~|1.54}}
| — || {{nts|0.88}} || {{nts|277}} || 28.1 || 23.62 || <ref name="ferozhobson2014"/><ref name="HEC" />
|-
| [[GJ 1002 b | Gliese 1002 b]] || [[GJ 1002 | Gliese 1002]] || {{StarM|M5V}} || {{nts|prefix=≥|1.08}} || ~1.03
| — || {{nts|0.67}} || {{nts|231}} || 10.3 || 15.8 || <ref name="SuárezMascareño2022"/>
|-
| [[GJ 1002 c | Gliese 1002 c]] || [[GJ 1002 | Gliese 1002]] || {{StarM|M5V}} || {{nts|prefix=≥|1.36}} || 1.1
| — || {{nts|0.26}} || {{nts|182}} || 21.2 || 15.8 || <ref name="SuárezMascareño2022"/><ref>{{Cite web |title=Exoplanet-catalog |url=https://exoplanets.nasa.gov/exoplanet-catalog/8721/gj-1002-c/ |access-date=2024-01-30 |website=Exoplanet Exploration: Planets Beyond our Solar System |language=en}}</ref>
|-
| [[GJ 1061 c]] || [[GJ 1061]] || {{StarM|M5V}} || {{nts|prefix=≥|1.74}} || {{nts|prefix=~|1.18}}
| — || {{nts|1.45}} || {{nts|275}} || 6.7 || 12 ||
|-
| [[GJ 1061 d]] || [[GJ 1061]] || {{StarM|M5V}} || {{nts|prefix=≥|1.64}} || {{nts|prefix=~|1.16}}
| — || {{nts|0.69}} || {{nts|218}} || 13.0 || 12 ||
|-
| [[GJ 3293 d]] || [[GJ 3293]] || {{StarM|M2V}} || {{nts|prefix=≥|7.60}} || —
| — || {{nts|0.59}} || {{nts|223}} || 48.1 || 66 || <ref name="HEC" />
|-
| [[82 G. Eridani#Planetary system | HD 20794 d]] || [[82 G. Eridani | HD 20794]] || {{StarG|G6V}} || {{nts|prefix=≥|6.6}} || —
| — || || || 645 || 19.7 || <small>Orbits partially exterior to the HZ</small><ref name="Cretignier2023">{{cite journal |last1=Cretignier |first1=M. |last2=Dumusque |first2=X. |display-authors=etal |date=August 2023 |title=YARARA V2: Reaching sub-m s<sup>−1</sup> precision over a decade using PCA on line-by-line radial velocities |journal=Astronomy & Astrophysics |volume=678 |pages=A2 |doi=10.1051/0004-6361/202347232 |arxiv=2308.11812 |bibcode=2023A&A...678A...2C |s2cid=261076243}}</ref><ref>{{Cite journal |last=Nari |first=N. |last2=Dumusque |first2=X. |last3=Hara |first3=N. C. |last4=Mascareño |first4=A. Suárez |last5=Cretignier |first5=M. |last6=Hernández |first6=J. I. González |last7=Stefanov |first7=A. K. |last8=Passegger |first8=V. M. |last9=Rebolo |first9=R. |last10=Pepe |first10=F. |last11=Santos |first11=N. C. |last12=Cristiani |first12=S. |last13=Faria |first13=J. P. |last14=Figueira |first14=P. |last15=Sozzetti |first15=A. |date=2024-11-04 |title=Revisiting the multi-planetary system of the nearby star HD 20794. Confirmation of a low-mass planet in the habitable zone of a nearby G-dwarf |url=https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202451769 |journal=Astronomy & Astrophysics |language=en |doi=10.1051/0004-6361/202451769 |issn=0004-6361}}</ref>
|-
| [[HD 40307 g]] || [[HD 40307]] || {{StarK|K2V}} || {{nts|prefix=≥|7.09}} || —
| — || {{nts|0.67}} || {{nts|226}} || 197.8 || 42 || <small>Not confirmed</small><ref name="HEC" /><ref>{{cite journal |arxiv=1510.06446 |doi=10.1051/0004-6361/201526729 |title=The HARPS search for southern extra-solar planets |year=2016 |last1=Díaz |first1=Rodrigo F. |last2=Ségransan |first2=Didier |last3=Udry |first3=Stéphane |last4=Lovis |first4=Christophe |last5=Pepe |first5=Francesco |last6=Dumusque |first6=Xavier |last7=Marmier |first7=M. |last8=Alonso |first8=Roi |last9=Benz |first9=Willy |last10=Bouchy |first10=François |last11=Coffinet |first11=A. |last12=Cameron |first12=Andrew Collier |last13=Deleuil |first13=Magali |last14=Figueira |first14=Pedro |last15=Gillon |first15=Michaël |last16=Lo Curto |first16=Gaspare |last17=Mayor |first17=Michel |last18=Mordasini |first18=Christoph |last19=Motalebi |first19=F. |last20=Moutou |first20=Claire |last21=Pollacco |first21=Don L. |last22=Pompei |first22=E. |last23=Queloz |first23=Didier |last24=Santos |first24=Nuno C.| last25=Wyttenbach |first25=A. |journal=Astronomy & Astrophysics |volume=585 |pages=A134 |bibcode=2016A&A...585A.134D |s2cid=118531921 |display-authors=1}}</ref>
|-
| [[HD 216520 c]] || [[HD 216520]] || {{StarK|K0V}} || {{nts|prefix=≥|9.44}} || —
| — || {{nts|1.28}} ||  || 154.4 || 64 || <ref name="HEC" />
|-
| [[HIP 38594 b]] || [[HIP 38594]] || {{StarM|M0V}} || {{nts|prefix=≥|8.10}} || —
| — || {{nts|1.34}} ||  || 60.7 || 58 || <ref name="HEC" />
|-
| [[K2-9b]] || [[K2-9]] || {{StarM|M2V}} || — || {{nts|2.25}}
| — || {{nts|1.45}} || {{nts|279}} || 18.4 || 270 || <ref name="HEC" /><ref>{{cite web|title=Confirmed Planet Overview Page: K2-9b |url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=K2-9%20b&type=CONFIRMED_PLANET |website=NASA Exoplanet Archive |publisher=NASA Exoplanet Science Institute |access-date=4 June 2016}}</ref>
|-
| [[K2-72e]] || [[K2-72]] || {{StarM|M?V}} || {{nts|prefix=~|2.21}} || {{nts|1.29}}
| — || {{nts|1.30}} || {{nts|261}} || 24.2 || 217
| <ref>{{Cite web|title=Exoplanet-catalog|url=https://exoplanets.nasa.gov/exoplanet-catalog/3343/k2-72-e/|access-date=2021-01-29|website=Exoplanet Exploration: Planets Beyond our Solar System}}</ref>
|-
| [[K2-332 b|K2-332b]]|| [[K2-332]] || {{StarM|M?V}} || — || {{nts|2.20}}
| — || {{nts|1.17}} ||  || 17.7 || 402 || <ref name="HEC" />
|-
| [[K2-288Bb]] || [[K2-288]] B || {{StarM|M3V}} || {{nts|4.27}} || {{nts|1.91}}
| — || {{nts|0.44}} || {{nts|207}} || 31.4 || 214 || <ref>{{cite web | url=https://science.nasa.gov/exoplanet-catalog/k2-288-b-b/ | title=K2-288 B b - NASA Science }}</ref>
|-
| [[Kepler-22b]] || [[Kepler-22]] || {{StarG|G5V}} || — || {{nts|2.38}}
| — || {{nts|1.10}} || {{nts|261}} || 289.9 || 635 || <ref name="HEC" /><ref>{{cite web|title=Confirmed Planet Overview Page: Kepler-22 b |url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=Kepler-22%20b&type=CONFIRMED_PLANET |website=NASA Exoplanet Archive |publisher=NASA Exoplanet Science Institute |access-date=4 June 2016}}</ref>
|-
| [[Kepler-62e]] || [[Kepler-62]] || {{StarK|K2V}} ||  {{val|4.5|+14.2|−2.6|}} || {{nts|1.61}}
| — || {{nts|1.15}} || {{nts|264}} || 122.4 || 981 || <ref name="HEC" /><ref>{{cite web |title=Confirmed Planet Overview Page: Kepler-62e |url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=Kepler-62%20e&type=CONFIRMED_PLANET |website=NASA Exoplanet Archive |publisher=NASA Exoplanet Science Institute |access-date=4 June 2016}}</ref>
|-
| [[Kepler-62f]] || [[Kepler-62]] || {{StarK|K2V}} || {{val|2.8|+0.4|−0.4|}}  || {{nts|1.41}}
| — || {{nts|0.41}} || {{nts|204}} || 267.3 || 981 || <ref name="HEC" /><ref>{{cite web |title=Confirmed Planet Overview Page: Kepler-62f |url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=Kepler-62%20f&type=CONFIRMED_PLANET |website=NASA Exoplanet Archive |publisher=NASA Exoplanet Science Institute |access-date=4 June 2016}}</ref>
|-
| [[Kepler-155c]] || [[Kepler-155]] || {{StarM|M0V}} || — || {{nts|2.24}}
| — || {{nts|1.05}} ||  || 52.7 || 957 || <ref name="HEC" />
|-
| [[Kepler-174d]] || [[Kepler-174]] || {{StarK|K3V}} || — || {{nts|2.19}}
| — || {{nts|0.59}} || {{nts|206}} || 247.4 || 1254 || <ref name="HEC" />
|-
| [[Kepler-186f]] || [[Kepler-186]] || {{StarM|M1V}} || {{val|1.44|+2.33|−1.12|}} || {{nts|1.17}}
| — || {{nts|0.29}} || {{nts|188}} || 129.9 || 579 || <ref name="HEC" />
|-
| [[Kepler-283c]] || [[Kepler-283]] || {{StarK|K5V}} || — || {{nts|1.82}}
| — || {{nts|0.89}} || {{nts|248}} || 92.7 || 1526 || <ref name="HEC" />
|-
| [[Kepler-296e]] || [[Kepler-296]] || {{StarK|K7V}} || {{nts|2.96}} || {{nts|1.52}}
| — || {{nts|1.41}} || {{nts|276}} || 34.1 || 737 || <ref name="HEC" /><ref>{{cite web |title=Confirmed Planet Overview Page: Kepler-296e |url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=Kepler-296%20e&type=CONFIRMED_PLANET |website=NASA Exoplanet Archive |publisher=NASA Exoplanet Science Institute |access-date=4 June 2016}}</ref><ref name=Barclay>{{cite journal|bibcode=2015ApJ...809....7B|doi=10.1088/0004-637X/809/1/7|arxiv=1505.01845|title=The Five Planets in the Kepler-296 Binary System All Orbit the Primary: A Statistical and Analytical Analysis|journal=The Astrophysical Journal|volume=809|pages=7|year=2015|last1=Barclay|first1=Thomas|last2=Quintana|first2=Elisa V|last3=Adams|first3=Fred C|last4=Ciardi|first4=David R|last5=Huber|first5=Daniel|last6=Foreman-Mackey|first6=Daniel|last7=Montet|first7=Benjamin T|last8=Caldwell|first8=Douglas|issue=1|s2cid=37742564}}</ref>
|-
| [[Kepler-296f]] || [[Kepler-296]] || {{StarK|K7V}} || — || {{nts|1.80}}
| — || {{nts|0.44}} || {{nts|225}} || 63.3 || 737 || <ref name="HEC" /><ref>{{cite web|title=Confirmed Planet Overview Page: Kepler-296 f |url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=Kepler-296%20f&type=CONFIRMED_PLANET |website=NASA Exoplanet Archive |publisher=NASA Exoplanet Science Institute |access-date=4 June 2016}}</ref>
|-
| [[Kepler-442b]] || [[Kepler-442]] || {{StarK|K5V}} || {{val|2.36|+5.9|−1.3|}}  || {{nts|1.35}}
| — || {{nts|0.70}} || {{nts|233}} || 112.3 || 1193 || <ref name="HEC" />
|-
| [[Kepler-440b]] || [[Kepler-440]] || {{StarK|K6V}} || — || {{nts|1.91}}
| — || {{nts|1.44}} || {{nts|273}} || 101.1 || 981 || <ref name="HEC" />
|-
| [[Kepler-443b]] || [[Kepler-443]] || {{StarK|K3V}} || — || {{nts|2.35}}
| — || {{nts|0.89}} || {{nts|247}} || 177.7 || 2615 || <ref name="HEC" />
|-
| [[Kepler-452b]] || [[Kepler-452]] || {{StarG|G2V}} || {{nts|prefix=~|5}} || {{nts|1.63}}
| — || {{nts|1.11}} || {{nts|261}} || 384.8 || 1799 || <small>Not confirmed</small><ref name="HEC" /><ref>{{cite web |title=Confirmed Planet Overview Page: Kepler-452 b |url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=Kepler-452%20b&type=CONFIRMED%5fPLANET |website=NASA Exoplanet Archive |publisher=NASA Exoplanet Science Institute |access-date=4 June 2016}}</ref><ref>{{cite web |title=Targets of Note: Kepler-452 b |url=https://exoplanetarchive.ipac.caltech.edu/docs/kepler452b.html |website=[[NASA Exoplanet Archive]] |access-date=15 September 2022}}</ref><ref name="Mullally2018">{{cite journal |arxiv=1803.11307|doi=10.3847/1538-3881/aabae3 |title=Kepler's Earth-like Planets Should Not be Confirmed without Independent Detection: The Case of Kepler-452b |year=2018 |last1=Mullally |first1=Fergal |last2=Thompson |first2=Susan E. |last3=Coughlin |first3=Jeffrey L. |last4=Burke |first4=Christopher J. |last5=Rowe |first5=Jason F. |journal=The Astronomical Journal |volume=155 |issue=5 |page=210 |bibcode=2018AJ....155..210M |s2cid=55481591 |doi-access=free }}</ref><ref name="Burke2019">{{cite journal |arxiv=1901.00506|doi=10.3847/1538-3881/aafb79 |title=Re-evaluating Small Long-period Confirmed Planets from Kepler |year=2019 |last1=Burke |first1=Christopher J. |last2=Mullally |first2=F. |last3=Thompson |first3=Susan E. |last4=Coughlin |first4=Jeffrey L. |last5=Rowe |first5=Jason F. |journal=The Astronomical Journal |volume=157 |issue=4 |page=143 |bibcode=2019AJ....157..143B |s2cid=119047713 |doi-access=free }}</ref>
|-
| [[Kepler-705b]] || [[Kepler-705]] || {{StarM|M?V}} || — || {{nts|2.11}}
| — || {{nts|0.77}} || {{nts|243}} || 56.1 || 903 ||
|-
| [[Kepler-1229b]] || [[Kepler-1229]] || {{StarM|M?V}} || {{nts|2.540}}  || {{nts|1.40}}
| — || {{nts|0.32}} || {{nts|213}} || 86.8 || 865
| <ref name="HEC" />
|-
| [[Kepler-1410b]] || [[Kepler-1410]] || {{StarK|K?V}} || — || {{nts|1.78}}
| — || {{nts|1.07}} || {{nts|274}} || 60.9 || 1196 ||
|-
| [[Kepler-1540b]] || [[Kepler-1540]] || {{StarK|K?V}} || — || {{nts|2.49}}
| — || {{nts|0.78}} || {{nts|250}} || 125.4 || 799 ||
|-
| [[Kepler-1544 b]] || [[Kepler-1544]] || {{StarK|K2V}} || — || {{nts|1.78}}
| — || {{nts|0.84}} || {{nts|248}} || 168.8 || 1092 || <ref name="HEC" />
|-
| [[Kepler-1606b]] || [[Kepler-1606]] || {{StarG|G?V}} || — || {{nts|2.07}}
| — || {{nts|1.64}} || {{nts|277}} || 196.4 || 2710 || <ref>{{Cite web|title=Exoplanet-catalog-Exoplanet exploration-Kepler-1606b|url=https://exoplanets.nasa.gov/exoplanet-catalog/2252/kepler-1606-b/}}</ref>
|-
| [[Kepler-1649c]] || [[Kepler-1649]] || {{StarM|M5V}} || {{nts|1.20}} || {{nts|1.06}}
| — || {{nts|0.75}} || {{nts|237}} || 19.5 || 301
| <ref>{{Cite web|title=Earth-Size, Habitable Zone Planet Found Hidden in Early NASA Kepler Data|url=https://exoplanets.nasa.gov/news/1637/earth-size-habitable-zone-planet-found-hidden-in-early-nasa-kepler-data/|access-date=2021-01-02|website=Exoplanet Exploration: Planets Beyond our Solar System}}</ref>
|-
| [[Kepler-1652b]] || [[Kepler-1652]] || {{StarM|M?V}} || — || {{nts|1.60}}
| — || {{nts|0.84}} || {{nts|244}} || 38.1 || 822 ||
|-
| [[Kepler-1653b]] || [[Kepler-1653]] || {{StarK|K?V}} || — || {{nts|2.17}}
| — || {{nts|1.04}} || {{nts|258}} || 140.3 || 2461 ||
|-
| [[Kepler-1701b]] || [[Kepler-1701]] || {{StarK|K?V}} || — || {{nts|2.22}}
| — || {{nts|1.42}} || {{nts|275}} || 169.1 || 1904 || <ref name="HEC" /><ref>{{Cite web|title=Exoplanet catalog-Exoplanet exploration-Kepler-1701b|url=https://exoplanets.nasa.gov/exoplanet-catalog/7742/kepler-1701-b/}}</ref>
|-
|[[L 98-59 f]] || [[L 98-59]] || {{StarM|M3V}} || {{nts|prefix=≥|2.46}} || —
| — || {{nts|prefix=>|1}} || {{nts|prefix=~|280}} || 23.15 || 34.6
|<small>Not confirmed</small><ref>{{Cite web|last=|title=Comparison of the L 98-59 exoplanet system with the inner Solar System|url=https://www.eso.org/public/images/eso2112b/|access-date=2021-08-09|website=www.eso.org|language=en}}</ref>
|-
| [[LHS 1140 b]] || [[LHS 1140]] || {{StarM|M4V}} || {{nts|5.60}} || {{nts|1.73}}
| {{val|5.9|0.3}} || {{nts|0.43}} || {{nts|226}} || 24.7 || 49 || <small>Likely [[ocean world]] or dense [[mini-Neptune]]</small><ref name="Cadieux2023">{{cite journal |last1=Cadieux |first1=Charles |last2=Plotnykov |first2=Mykhaylo |display-authors=etal |date=2024 |title=New Mass and Radius Constraints on the LHS 1140 Planets -- LHS 1140 b is Either a Temperate Mini-Neptune or a Water World |journal=[[The Astrophysical Journal Letters]] |volume= 960|issue= 1|pages= L3|doi= 10.3847/2041-8213/ad1691|doi-access=free |arxiv=2310.15490|bibcode=2024ApJ...960L...3C }}</ref>
|-
| [[LP 890-9 c]] || [[LP 890-9]] || {{StarM|M6V}} || — || {{nts|1.37}}
| — || {{nts|0.91}} || {{nts|272}} || 8.46 || 105 || <ref name="Delrez2022">{{cite journal |last1=Delrez |first1=L. |last2=Murray |first2=C. A. |display-authors=etal |date=September 2022 |title=Two temperate super-Earths transiting a nearby late-type M dwarf |journal=[[Astronomy & Astrophysics]] |volume=667 |issue= |pages=A59 |doi=10.1051/0004-6361/202244041 |arxiv=2209.02831 |s2cid=252110654 |bibcode=2022A&A...667A..59D}}</ref>
|-
| [[Luyten b]] || [[Luyten's Star]] || {{StarM|M3V}} || {{nts|prefix=≥|2.89}} || {{nts|prefix=~|1.35}}
| — || {{nts|1.06}} || {{nts|258}} || 18.65 || 12.3 || <ref name = "exoplanets"/>
|-
| [[Proxima Centauri b]] || [[Proxima Centauri]] || {{StarM|M5V}} || {{nts|prefix=≥|1.07}} <ref>{{cite journal |last1=Faria |first1=J. P. |last2=Mascareño |first2=A. Suárez |last3=Figueira |first3=P. |last4=Silva |first4=A. M. |last5=Damasso |first5=M. |last6=Demangeon |first6=O. |last7=Pepe |first7=F. |last8=Santos |first8=N. C. |last9=Rebolo |first9=R. |last10=Cristiani |first10=S. |last11=Adibekyan |first11=V. |last12=Alibert |first12=Y. |last13=Allart |first13=R. |last14=Barros |first14=S. C. C. |last15=Cabral |first15=A. |last16=D’Odorico |first16=V. |last17=Marcantonio |first17=P. Di |last18=Dumusque |first18=X. |last19=Ehrenreich |first19=D. |last20=Hernández |first20=J. I. González |last21=Hara |first21=N. |last22=Lillo-Box |first22=J. |last23=Curto |first23=G. Lo |last24=Lovis |first24=C. |last25=Martins |first25=C. J. a. P. |last26=Mégevand |first26=D. |last27=Mehner |first27=A. |last28=Micela |first28=G. |last29=Molaro |first29=P. |last30=Nunes |first30=N. J. |last31=Pallé |first31=E. |last32=Poretti |first32=E. |last33=Sousa |first33=S. G. |last34=Sozzetti |first34=A. |last35=Tabernero |first35=H. |last36=Udry |first36=S. |last37=Osorio |first37=M. R. Zapatero |title=A candidate short-period sub-Earth orbiting Proxima Centauri |journal=Astronomy & Astrophysics |date=1 February 2022 |volume=658 |pages=A115 |doi=10.1051/0004-6361/202142337 |arxiv=2202.05188 |bibcode=2022A&A...658A.115F |s2cid=246706321 |url=https://www.aanda.org/articles/aa/abs/2022/02/aa42337-21/aa42337-21.html |language=en |issn=0004-6361}}</ref>{{rp|16}} || {{val|1.17|0.23}}
| — || {{nts|0.70}} || {{nts|228}} || 11.186 || 4.25 || <small>Affected by solar flare, possibly affected by high radiation</small><ref name="NatureProxima"/>
|-
| [[Ross 128 b]] || [[Ross 128]] || {{StarM|M4V}} || {{nts|prefix=≥|1.40}} || {{nts|prefix=~|1.80}}
| — || {{nts|1.48}} || {{nts|280}} || 9.87 || 11.0 || <ref>{{cite news |last=Wenz |first=John |url=http://www2.astronomy.com/news/2017/11/a-potentially-habitable-planet-11-light-years-away |title=A potentially habitable planet has been discovered just 11 light-years away |work=[[Astronomy (magazine)|Astronomy]] |date=15 November 2017 |access-date=19 November 2017 |archive-url=https://web.archive.org/web/20180221031045/http://www2.astronomy.com/news/2017/11/a-potentially-habitable-planet-11-light-years-away |archive-date=21 February 2018 |url-status=dead }}</ref>
|-
| [[Ross 508 b]] || [[Ross 508]] || {{StarM|M4V}} || {{nts|prefix=≥|4.00}} || —
| — || {{nts|1.32}} ||  || 10.8 || 37 || <ref name="Harakawa2022">{{cite journal |bibcode=2022PASJ...74..904H |title=A super-Earth orbiting near the inner edge of the habitable zone around the M4.5 dwarf Ross 508 |last1=Harakawa |first1=Hiroki |last2=Takarada |first2=Takuya |last3=Kasagi |first3=Yui |last4=Hirano |first4=Teruyuki |last5=Kotani |first5=Takayuki |last6=Kuzuhara |first6=Masayuki |last7=Omiya |first7=Masashi |last8=Kawahara |first8=Hajime |last9=Fukui |first9=Akihiko |last10=Hori |first10=Yasunori |last11=Ishikawa |first11=Hiroyuki Tako |last12=Ogihara |first12=Masahiro |last13=Livingston |first13=John |last14=Brandt |first14=Timothy D. |last15=Currie |first15=Thayne |last16=Aoki |first16=Wako |last17=Beichman |first17=Charles A. |last18=Henning |first18=Thomas |last19=Hodapp |first19=Klaus |last20=Ishizuka |first20=Masato |last21=Izumiura |first21=Hideyuki |last22=Jacobson |first22=Shane |last23=Janson |first23=Markus |last24=Kambe |first24=Eiji |last25=Kodama |first25=Takanori |last26=Kokubo |first26=Eiichiro |last27=Konishi |first27=Mihoko |last28=Krishnamurthy |first28=Vigneshwaran |last29=Kudo |first29=Tomoyuki |last30=Kurokawa |first30=Takashi |journal=Publications of the Astronomical Society of Japan |year=2022 |volume=74 |issue=4 |pages=904–922 |doi=10.1093/pasj/psac044 |arxiv=2205.11986 |display-authors=1 }}</ref>
|-
| [[Teegarden's Star b]] || [[Teegarden's Star]] || {{StarM|M7V}} || {{nts|prefix=≥|1.05}} || {{nts|prefix=~|1.02}}
| — || {{nts|1.15}} || {{nts|264}} || 4.91 || 12.5 || <small>Radius is estimated</small><ref name="CARMENES"/><ref>{{Cite web|title=Exoplanet-catalog|url=https://exoplanets.nasa.gov/exoplanet-catalog/7423/teegardens-star-b/|access-date=2021-12-05|website=Exoplanet Exploration: Planets Beyond our Solar System}}</ref>
|-
| [[Teegarden's Star c]] || [[Teegarden's Star]] || {{StarM|M7V}} || {{nts|prefix=≥|1.11}} || {{nts|prefix=~|1.04}}
| — || {{nts|0.37}} || {{nts|199}} || 11.4 || 12.5 || <ref name="CARMENES"/>
|-
| [[TOI-700 d]] || [[TOI-700]] || {{StarM|M2V}} || {{nts|prefix=~|1.72}} || {{nts|1.14}}
| — || {{nts|0.87}} || {{nts|246}} || 37.4 || 101 ||
|-
| [[TOI-700 e]] || [[TOI-700]] || {{StarM|M2V}} || {{nts|0.82}} || {{nts|0.95}}
| — || {{nts|1.27}}<ref>{{Cite web |title=TOI-700 {{!}} NASA Exoplanet Archive |url=https://exoplanetarchive.ipac.caltech.edu/overview/TOI-700 |access-date=2024-05-25 |website=exoplanetarchive.ipac.caltech.edu}}</ref> || {{nts|273}} || 27.8 || 101 || <ref>{{Cite web |last1=Kazmierczak |first1=Jeanette |last2=Center |first2=NASA's Goddard Spaceflight |date=2023-01-11 |title=NASA Planet Hunter Discovers Second Habitable, Earth-Size World in TOI 700 System |url=https://scitechdaily.com/nasa-planet-hunter-discovers-second-habitable-earth-size-world-in-toi-700-system/ |access-date=2024-05-25 |website=SciTechDaily |language=en-US}}</ref>
|-
|[[TOI-715 b]] || [[TOI-715]]  || {{StarM|M4V}} || {{nts|3.02}} || {{nts|1.55}} || — || {{nts|0.67}} || {{nts|234}} || 19.29 || 137 || <ref>{{Cite journal |last1=Dransfield |first1=Georgina |last2=Timmermans |first2=Mathilde |last3=Triaud |first3=Amaury H. M. J. |last4=Dévora-Pajares |first4=Martín |last5=Aganze |first5=Christian |last6=Barkaoui |first6=Khalid |last7=Burgasser |first7=Adam J. |last8=Collins |first8=Karen A. |last9=Cointepas |first9=Marion |last10=Ducrot |first10=Elsa |last11=Günther |first11=Maximilian N. |last12=Howell |first12=Steve B. |last13=Murray |first13=Catriona A. |last14=Niraula |first14=Prajwal |last15=Rackham |first15=Benjamin V. |date=2023-10-28 |title=A 1.55 R$_{\oplus}$ habitable-zone planet hosted by TOI-715, an M4 star near the ecliptic South Pole |journal=Monthly Notices of the Royal Astronomical Society |volume=527 |issue=1 |pages=35–52 |doi=10.1093/mnras/stad1439 |doi-access=free |issn=0035-8711|arxiv=2305.06206 }}</ref>  <ref>{{cite web | url=https://science.nasa.gov/exoplanet-catalog/toi-715-b/ | title=TOI-715 b - NASA Science }}</ref>
|-
| [[TOI-2257 b]] || [[TOI-2257]] || {{StarM|M3V}} || {{val|5.712|+4.288|−2.311|}} 
|| {{nts|2.20}}
| — || {{nts|0.57  (0.26-2.25)}} || {{val|256|61|17|}}  || 35.2 || 188 || <small>Highly [[Orbital eccentricity|eccentric]]</small><ref name="HEC" /><ref name="Schanche2021">{{cite journal |arxiv=2111.01749|doi=10.1051/0004-6361/202142280 |title=TOI-2257 b: A highly eccentric long-period sub-Neptune transiting a nearby M dwarf |year=2022 |last1=Schanche |first1=N. |last2=Pozuelos |first2=F. J. |last3=Günther |first3=M. N. |last4=Wells |first4=R. D. |last5=Burgasser |first5=A. J. |last6=Chinchilla |first6=P. |last7=Delrez |first7=L. |last8=Ducrot |first8=E. |last9=Garcia |first9=L. J. |last10=Gómez Maqueo Chew |first10=Y. |last11=Jofré |first11=E. |last12=Rackham |first12=B. V. |last13=Sebastian |first13=D. |last14=Stassun |first14=K. G. |last15=Stern |first15=D. |last16=Timmermans |first16=M. |last17=Barkaoui |first17=K. |last18=Belinski |first18=A. |last19=Benkhaldoun |first19=Z. |last20=Benz |first20=W. |last21=Bieryla |first21=A. |last22=Bouchy |first22=F. |last23=Burdanov |first23=A. |last24=Charbonneau |first24=D. |last25=Christiansen |first25=J. L. |last26=Collins |first26=K. A. |last27=Demory |first27=B.-O. |last28=Dévora-Pajares |first28=M. |last29=De Wit |first29=J. |last30=Dragomir |first30=D. |journal=Astronomy & Astrophysics |volume=657 |pages=A45 |bibcode=2022A&A...657A..45S |s2cid=240419956 |display-authors=1 }}</ref>
|-
| [[TRAPPIST-1d]] || [[TRAPPIST-1]] || {{StarM|M8V}} || {{nts|0.39}} || {{nts|0.78}}
|3.39|| {{nts|1.12}} || {{nts|258}} || 4.05 || 41 || <small>Confirmed to be rocky</small><ref name="Delrez2018"/><ref name="Grimm2018"/>
|-
| [[TRAPPIST-1e]] || [[TRAPPIST-1]] || {{StarM|M8V}} || {{nts|0.69}} || {{nts|0.92}}
|5.65|| {{nts|0.65}} || {{nts|230}} || 6.1 || 41 || <small>Confirmed to be rocky</small><ref name="Delrez2018"/><ref name="Grimm2018"/>
|-
| [[TRAPPIST-1f]] || [[TRAPPIST-1]] || {{StarM|M8V}} || {{nts|1.04}} || {{nts|1.04}}
|3.3 ± 0.9|| {{nts|0.37}} || {{nts|200}} || 9.2 || 41 || <small>Confirmed to be rocky</small><ref name="Delrez2018"/><ref name="Grimm2018"/>
|-
| [[TRAPPIST-1g]] || [[TRAPPIST-1]] || {{StarM|M8V}} || {{nts|1.32}} || {{nts|1.13}}
|4.186|| {{nts|0.25}} || {{nts|182}} || 12.4 || 41 || <small>Confirmed to be rocky</small><ref name="Delrez2018"/><ref name="Grimm2018"/>
|-
| [[Wolf 1069 b]] || [[Wolf 1069]] || {{StarM|M5V}} || {{nts|prefix=≥|1.26}} || {{nts|prefix=~|1.08}}
| — || {{nts|0.65}} || {{nts|250}} || 15.6 || 31.2 || <ref name="Kossakowski2023">{{cite journal |last1=Kossakowski |first1=D. |last2=Kürster |first2=M. |display-authors=etal |date=January 2023 |title=The CARMENES search for exoplanets around M dwarfs, Wolf 1069 b: Earth-mass planet in the habitable zone of a nearby, very low-mass star |journal=[[Astronomy & Astrophysics]] |volume=670 |issue= |pages=A84 |doi=10.1051/0004-6361/202245322 |arxiv=2301.02477 |bibcode=2023A&A...670A..84K}}</ref>
|-
| [[Wolf 1061c]] || [[Wolf 1061]] || {{StarM|M3V}} || {{nts|prefix=≥|3.41}} || {{nts|prefix=~|1.60}}
| — || {{nts|1.30}} || {{nts|271}} || 17.9 || 13.8
| <ref name="HEC" />
|}

==Previous candidates==

Some exoplanet candidates detected by [[Doppler spectroscopy|radial velocity]] that were originally thought to be potentially habitable were later found to most likely be artifacts of stellar activity. These include [[Gliese 581 d]] & [[Gliese 581 g|g]],<ref name="Robertson2014">{{cite journal |last1=Robertson |first1=Paul |author2-link=Suvrath Mahadevan |last2=Mahadevan |first2=Suvrath |last3=Endl |first3=Michael |last4=Roy |first4=Arpita |title=Stellar activity masquerading as planets in the habitable zone of the M dwarf Gliese 581 |journal=[[Science (journal)|Science]] |date=3 July 2014 |doi=10.1126/science.1253253 |pmid=24993348 |arxiv=1407.1049 |bibcode=2014Sci...345..440R |volume=345 |issue=6195 |pages=440–444 |citeseerx=10.1.1.767.2071 |s2cid=206556796 }}</ref><ref name="Hatzes2015">{{cite journal |arxiv=1512.00878|doi=10.1051/0004-6361/201527135 |title=Periodic Hαvariations in GL 581: Further evidence for an activity origin to GL 581d |year=2016 |last1=Hatzes |first1=A. P. |journal=Astronomy & Astrophysics |volume=585 |pages=A144 |bibcode=2016A&A...585A.144H |s2cid=55623630 }}</ref><ref name="Dodson-Robinson2022">{{cite journal |arxiv=2201.13342|doi=10.3847/1538-3881/ac52ed |title=Magnitude-squared Coherence: A Powerful Tool for Disentangling Doppler Planet Discoveries from Stellar Activity |year=2022 |last1=Dodson-Robinson |first1=Sarah E. |last2=Delgado |first2=Victor Ramirez |last3=Harrell |first3=Justin |last4=Haley |first4=Charlotte L. |journal=The Astronomical Journal |volume=163 |issue=4 |page=169 |bibcode=2022AJ....163..169D |s2cid=246430514 |doi-access=free }}</ref> [[Gliese 667]] Ce & f,<ref name="ferozhobson2014"/><ref name="RobertsonMahadevan2014">{{cite journal |last1=Robertson |first1=Paul |last2=Mahadevan |first2=Suvrath |title=Disentangling Planets and Stellar Activity for Gliese 667C |journal=[[The Astrophysical Journal]] |date=October 2014 |volume=793 |issue=2 |pages=L24 |doi=10.1088/2041-8205/793/2/L24 |arxiv=1409.0021 |bibcode=2014ApJ...793L..24R |s2cid=118404871 }}</ref> [[Gliese 682]] b & c,<ref name="Feng2020"/> [[Kapteyn b]],<ref name="Robertson2015">{{cite journal |last=Robertson |first=Paul |title=Stellar activity mimics a habitable-zone planet around Kapteyn's star |arxiv=1505.02778|date=11 May 2015 |doi=10.1088/2041-8205/805/2/L22 |volume=805 |issue=2 |journal=The Astrophysical Journal |page=L22|bibcode = 2015ApJ...805L..22R |s2cid=117871083 }}</ref><ref name="Bortle2021">{{cite journal |arxiv=2103.02709|doi=10.3847/1538-3881/abec89 |title=A Gaussian Process Regression Reveals No Evidence for Planets Orbiting Kapteyn's Star |year=2021 |last1=Bortle |first1=Anna |last2=Fausey |first2=Hallie |last3=Ji |first3=Jinbiao |last4=Dodson-Robinson |first4=Sarah |last5=Ramirez Delgado |first5=Victor |last6=Gizis |first6=John |journal=The Astronomical Journal |volume=161 |issue=5 |page=230 |bibcode=2021AJ....161..230B |s2cid=232110395 |display-authors=1 |doi-access=free }}</ref> and [[Gliese 832 c]].<ref name="Gorrini2022">{{cite journal |arxiv=2206.07552|doi=10.1051/0004-6361/202243063 |title=Detailed stellar activity analysis and modelling of GJ 832 |year=2022 |last1=Gorrini |first1=P. |last2=Astudillo-Defru |first2=N. |last3=Dreizler |first3=S. |last4=Damasso |first4=M. |last5=Díaz |first5=R. F. |last6=Bonfils |first6=X. |last7=Jeffers |first7=S. V. |last8=Barnes |first8=J. R. |last9=Del Sordo |first9=F. |last10=Almenara |first10=J.-M. |last11=Artigau |first11=E. |last12=Bouchy |first12=F. |last13=Charbonneau |first13=D. |last14=Delfosse |first14=X. |last15=Doyon |first15=R. |last16=Figueira |first16=P. |last17=Forveille |first17=T. |last18=Haswell |first18=C. A. |last19=López-González |first19=M. J. |last20=Melo |first20=C. |last21=Mennickent |first21=R. E. |last22=Gaisné |first22=G. |last23=Morales |first23=N. Morales |last24=Murgas |first24=F. |last25=Pepe |first25=F. |last26=Rodríguez |first26=E. |last27=Santos |first27=N. C. |last28=Tal-Or |first28=L. |last29=Tsapras |first29=Y. |last30=Udry |first30=S. |journal=Astronomy & Astrophysics |volume=664 |pages=A64 |bibcode=2022A&A...664A..64G |s2cid=249674385 |display-authors=1}}</ref>

[[HD 85512#Proposed planetary system|HD 85512 b]] was initially estimated to be potentially habitable,<ref name="Kaltenegger2011">{{cite arXiv |title=A Habitable Planet around HD 85512? |first1=L. |last1=Kaltenegger |first2=S. |last2=Udry |first3=F. |last3=Pepe |date=2011|class=astro-ph.EP |eprint=1108.3561}}</ref><ref name="old1">{{cite press release |last=Mendez |first=Abel |title=Five Potential Habitable Exoplanets Now |url=http://phl.upr.edu/press-releases/fivepotentialhabitableexoplanetsnow |date=1 August 2012 |publisher=Planetary Habitability Laboratory @ UPR Arecibo |access-date=4 June 2015 |archive-date=27 February 2021 |archive-url=https://web.archive.org/web/20210227132305/http://phl.upr.edu/press-releases/fivepotentialhabitableexoplanetsnow |url-status=dead }}</ref> but updated models for the boundaries of the habitable zone placed the planet interior to the HZ,<ref name="Kopparapu2013">{{cite journal |title=Habitable Zones Around Main-Sequence Stars: New Estimates |first1=Ravi Kumar |last1=Kopparapu |first2=Ramses |last2=Ramirez |first3=James F. |last3=Kasting |first4=Vincent |last4=Eymet |first5=Tyler D. | last5=Robinson |first6=Suvrath | last6=Mahadevan |first7=Ryan C. | last7=Terrien |first8=Shawn | last8=Domagal-Goldman |first9=Victoria | last9=Meadows |first10=Rohit | last10=Deshpande |display-authors=1 |date=2013|arxiv=1301.6674 |bibcode=2013ApJ...765..131K|doi = 10.1088/0004-637X/765/2/131 | volume=765 |issue=2 | journal=The Astrophysical Journal | pages=131|s2cid=76651902 }}</ref><ref name="newHZ">{{cite press release |last=Mendez |first=Abel |title=A New Habitable Zone |url=http://phl.upr.edu/press-releases/anewhabitablezone |date=29 January 2013 |publisher=Planetary Habitability Laboratory @ UPR Arecibo |access-date=4 June 2015 |archive-date=11 December 2019 |archive-url=https://web.archive.org/web/20191211194253/http://phl.upr.edu/press-releases/anewhabitablezone |url-status=dead }}</ref> and it is now considered non-habitable.<ref name="HEC" /> [[Kepler-69c]] has gone through a similar process; though initially estimated to be potentially habitable,<ref name="Barclay2013">{{cite journal |title=A super-Earth-sized planet orbiting in or near the habitable zone around Sun-like star |first1=Thomas |display-authors=etal |last1=Barclay |date=2013|arxiv=1304.4941 |bibcode=2013ApJ...768..101B|doi = 10.1088/0004-637X/768/2/101 |volume=768 |issue=2 |journal=The Astrophysical Journal |pages=101|s2cid=51490784 }}</ref> it was quickly realized that the planet is more likely to be similar to Venus,<ref name="Kane2013">{{cite journal |title=A Potential Super-Venus in the Kepler-69 System |first1=Stephen R. |last1=Kane |first2=Thomas |last2=Barclay |first3=Dawn M. |last3=Gelino |display-authors=1 |date=2013|arxiv=1305.2933 |bibcode=2013ApJ...770L..20K|doi = 10.1088/2041-8205/770/2/L20 |volume=770 |issue=2 |journal=The Astrophysical Journal |pages=L20|s2cid=9808447 }}</ref> and is thus no longer considered habitable.<ref name="HEC" /> Several other planets, such as [[Gliese 180 b]], also appear to be examples of planets once considered potentially habitable but later found to be interior to the habitable zone.<ref name="HEC" />

Similarly, [[Tau Ceti e]] and [[Tau Ceti f|f]] were initially both considered potentially habitable,<ref name="taucet">{{cite press release |last=Mendez |first=Abel |title=Two Nearby Habitable Worlds? |url=http://phl.upr.edu/press-releases/twonearbyhabitableworlds |date=28 December 2012 |publisher=Planetary Habitability Laboratory @ UPR Arecibo |access-date=4 June 2015 |archive-date=8 March 2021 |archive-url=https://web.archive.org/web/20210308051741/http://phl.upr.edu/press-releases/twonearbyhabitableworlds |url-status=dead }}</ref> but with improved models of the circumstellar habitable zone, as of 2022 PHL does not consider either planet potentially habitable.<ref name="HEC" />{{Failed verification|date=January 2024}} [[Kepler-438b]] was also initially considered potentially habitable; however, it was later found to be a subject of powerful [[flare star|flares]] that can strip a planet of its atmosphere, so it is now considered non-habitable.<ref name="HEC" />

[[K2-3d]] and [[K2-18b]] were originally considered potentially habitable, and the latter remains listed in the HEC,<ref name="HEC" /> but recent studies have shown them to be gaseous [[mini-Neptune|sub-Neptunes]] and thus unlikely to be habitable.<ref>{{cite web |title=Confirmed Planet Overview Page: K2-3d |url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=K2-3%20d&type=CONFIRMED_PLANET |website=NASA Exoplanet Archive |publisher=NASA Exoplanet Science Institute |access-date=4 June 2016}}</ref><ref>{{cite web |title=Confirmed Planet Overview Page: K2-18 b |url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=K2-18%20b&type=CONFIRMED_PLANET |website=NASA Exoplanet Archive |publisher=NASA Exoplanet Science Institute |access-date=4 June 2016}}</ref><ref>{{Cite web|url=http://www.nasa.gov/feature/goddard/2019/nasa-s-hubble-finds-water-vapor-on-habitable-zone-exoplanet-for-1st-time|title=Hubble Finds Water Vapor on Habitable-Zone Exoplanet for 1st Time|last=Garner|first=Rob|date=2019-09-11|website=NASA|access-date=2019-12-06}}</ref><ref name="Damasso2018">{{cite journal |doi=10.1051/0004-6361/201732459 |title=Eyes on K2-3: A system of three likely sub-Neptunes characterized with HARPS-N and HARPS |last1=Damasso |first1=Mario |last2=Bonomo |first2=Aldo Stefano |last3=Astudillo-Defru |first3=Nicola |last4=Bonfils |first4=Xavier |last5=Malavolta |first5=Luca |last6=Sozzetti |first6=Alessandro |last7=Lopez |first7=Eric D. |last8=Zeng |first8=Li |last9=Haywood |first9=Raphaëlle D. | last10=Irwin |first10=Jonathan M. |last11=Mortier |first11=Annelies |last12=Vanderburg |first12=Andrew |last13=Maldonado |first13=Jesus |last14=Lanza |first14=Antonino Francesco |last15=Affer |first15=Laura |last16=Almenara |first16=José M. |last17=Benatti |first17=Serena |last18=Biazzo |first18=Katia |last19=Bignamini |first19=Andrea |last20=Borsa |first20=Francesco |last21=Bouchy |first21=François |last22=Buchhave |first22=Lars A. |last23=Cameron |first23=Andrew C.<!-- Collier --> |last24=Carleo |first24=Ilaria |last25=Charbonneau |first25=David |last26=Claudi |first26=Riccardo |last27=Cosentino |first27=Rosario |last28=Covino |first28=Elvira |last29=Delfosse |first29=Xavier |last30=Desidera |first30=Silvano |display-authors=1 <!-- L. Di Fabrizio, Courtney D. Dressing, M. Esposito, R. Fares, Pedro Figueira, A. F. M. Fiorenzano, Thierry Forveille, P. Giacobbe, E. González-Álvarez, R. Gratton, A. Harutyunyan, J. Asher Johnson, David W. Latham, G. Leto, M. Lopez-Morales, Christophe Lovis, A. Maggio, L. Mancini, S. Masiero, Michel Mayor, G. Micela, E. Molinari, F. Motalebi, Felipe Murgas, V. Nascimbeni, I. Pagano, Francesco Pepe, D. F. Phillips, G. Piotto, E. Poretti, M. Rainer, K. Rice, Nuno C. Santos, D. Sasselov, G. Scandariato, Damien Ségransan, R. Smareglia, Stéphane Udry, C. Watson, and Anaël Wünsche -->|journal=Astronomy and Astrophysics |volume=615 |at=A69 |year=2018 |arxiv=1802.08320 |bibcode=2018A&A...615A..69D |s2cid=58923147 }}</ref><ref>{{cite journal |doi=10.3847/1538-3881/aaf79c |arxiv=1812.08241 |title=Bright Opportunities for Atmospheric Characterization of Small Planets: Masses and Radii of K2-3 b, c, and d and GJ3470 b from Radial Velocity Measurements and Spitzer Transits |year=2019 |last1=Kosiarek |first1=Molly R. |last2=Crossfield |first2=Ian J. M. |last3=Hardegree-Ullman |first3=Kevin K. |last4=Livingston |first4=John H. |last5=Benneke |first5=Björn |last6=Henry |first6=Gregory W. |last7=Howard |first7=Ward S. |last8=Berardo |first8=David |last9=Blunt |first9=Sarah |last10=Fulton |first10=Benjamin J. |last11=Hirsch |first11=Lea A. |last12=Howard |first12=Andrew W. |last13=Isaacson |first13=Howard |last14=Petigura |first14=Erik A. |last15=Sinukoff |first15=Evan |last16=Weiss |first16=Lauren |last17=Bonfils |first17=Xavier |last18=Dressing |first18=Courtney D. |last19=Knutson |first19=Heather A.|last20=Schlieder |first20=Joshua E. |last21=Werner |first21=Michael |last22=Gorjian |first22=Varoujan |last23=Krick |first23=Jessica |last24=Morales |first24=Farisa Y. |last25=Astudillo-Defru |first25=Nicola |last26=Almenara |first26=José M. |last27=Delfosse |first27=Xavier |last28=Forveille |first28=Thierry |last29=Lovis |first29=Christophe |last30=Mayor |first30=Michel |last31=Murgas |first31=Felipe |last32=Pepe |first32=Francesco |last33=Santos |first33=Nuno C. |last34=Udry |first34=Stéphane |last35=Corbett |first35=Henry Tillman |last36=Fors |first36=Octavi |last37=Law |first37=Nicholas M. |last38=Ratzloff |first38=Jeffrey K. |last39=del Ser |first39=Daniel |journal=The Astronomical Journal |volume=157 |issue=3 |page=97 |bibcode=2019AJ....157...97K |s2cid=119440420 |display-authors=1 |doi-access=free }}</ref><ref>{{cite journal|arxiv=1909.04642|doi=10.3847/2041-8213/ab59dc|title=Water Vapor and Clouds on the Habitable-zone Sub-Neptune Exoplanet K2-18b|year=2019|last1=Benneke|first1=Björn|last2=Wong|first2=Ian|last3=Piaulet|first3=Caroline|last4=Knutson|first4=Heather A.|last5=Lothringer|first5=Joshua|last6=Morley|first6=Caroline V.|last7=Crossfield|first7=Ian J. M.|last8=Gao|first8=Peter|last9=Greene|first9=Thomas P.|last10=Dressing|first10=Courtney|last11=Dragomir|first11=Diana|last12=Howard|first12=Andrew W.|last13=McCullough|first13=Peter R.|last14=Kempton|first14=Eliza M.-R.|last15=Fortney|first15=Jonathan J.|last16=Fraine|first16=Jonathan|journal=The Astrophysical Journal|volume=887|issue=1|pages=L14|bibcode=2019ApJ...887L..14B|s2cid=209324670 |display-authors=1 |doi-access=free }}</ref>

KOI-1686.01 was also considered a potentially habitable exoplanet after its detection in 2011, until proven a false positive by [[NASA]] in 2015.<ref>{{cite web |title=Kepler Candidate Overview Page: KOI-1686.01 |url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=KOI-1686.01 |website=NASA Exoplanet Archive |publisher=NASA Exoplanet Science Institute |access-date=28 December 2015}}</ref> Several other KOIs, like [[Kepler-577b]] and [[Kepler-1649b]], were considered potentially habitable prior to confirmation, but with new data are no longer considered habitable.

==See also==
{{cmn|
* [[Astrobiology]]
* [[Carbon planet]]
* [[Comparative planetary science]]
* [[Earth analog]]
* [[Earth Similarity Index]]
* [[Extraterrestrial atmosphere]]
* [[Extraterrestrial life]]
* [[Extraterrestrial liquid water]]
* [[Galactic habitable zone]]
* [[Goldilocks principle]]
* [[Habitable zone]] - [[Habitable zone for complex life]]
* [[Habitability of binary star systems]]
* [[Habitability of K-type main-sequence star systems|Habitability of orange dwarf systems]]
* [[Habitability of natural satellites]]
* [[Habitability of red dwarf systems]]
* [[Habitability of yellow dwarf systems]]
* [[Hypothetical types of biochemistry]]
* [[List of Kepler exoplanet candidates in the habitable zone]]
* [[List of multiplanetary systems]]
* [[List of nearest stars]]
* [[List of nearest terrestrial exoplanet candidates]]
* [[List of potentially habitable moons]]
* [[Lists of planets]]
* [[Ocean world]]
* [[Planetary habitability]]
* [[Rare Earth hypothesis]]
* [[Solar analog]]
* [[Space colonization]]
* [[Super-Earth]]
* [[Superhabitable planet]]
* [[Terrestrial planet]]
* [[Timeline of astronomical maps, catalogs, and surveys]]
}}

==References==

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<ref name="Feng2020">{{cite journal |last1=Feng |first1=Fabo |last2=Butler |first2=R. Paul |last3=Shectman |first3=Stephen A. |last4=Crane |first4=Jeffrey D. |last5=Vogt |first5=Steve |last6=Chambers |first6=John |last7=Jones |first7=Hugh R. A. |last8=Wang |first8=Sharon Xuesong |last9=Teske |first9=Johanna K. |last10=Burt |first10=Jenn |last11=Díaz |first11=Matías R. |last12=Thompson |first12=Ian B. |title=Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation of Three Planets around Nine Nearby M Dwarfs |journal=The Astrophysical Journal Supplement Series |date=8 January 2020 |volume=246 |issue=1 |pages=11 |doi=10.3847/1538-4365/ab5e7c |arxiv=2001.02577 |bibcode=2020ApJS..246...11F |s2cid=210064560 |display-authors=1 |doi-access=free }}</ref>

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<ref name="SuárezMascareño2022">{{cite journal |last1=Suárez Mascareño |first1=A. |last2=González-Alvarez |first2=E. |display-authors=etal |date=November 2022 |title=Two temperate Earth-mass planets orbiting the nearby star GJ 1002 |journal=[[Astronomy & Astrophysics]] |volume= 670|issue= |pages= A5|doi=10.1051/0004-6361/202244991|s2cid=254353639 |doi-access=free |arxiv=2212.07332 |bibcode=2023A&A...670A...5S }}</ref>

}}

==External links==

{{refbegin}}

* [http://phl.upr.edu/projects/habitable-exoplanets-catalog "The Habitable Exoplanets Catalog"] (PHL/[[University of Puerto Rico at Arecibo|UPR Arecibo]])
* [https://www.theguardian.com/science/2011/dec/05/habitable-exoplanets-catalogue-alien-life Habitable Exoplanets Catalogue ranks alien worlds on suitability for life]

{{refend}}

{{Extraterrestrial life}}
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[[Category:Exoplanets in the habitable zone| ]]
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[[Category:Planetary habitability|exoplanets]]