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List of potentially habitable exoplanets

{{Short description|none}}

{{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.

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 geophysical and geodynamical aspects, atmospheric density, radiation type and intensity, and the host star's plasma environment.{{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 }}

List

{{dynamic list}}

This is a list of confirmed exoplanets 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 rocky. Note that inclusion on this list does not guarantee habitability, and in particular the larger planets are more unlikely to have a rocky composition.{{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 }} 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 the mass-radius relationship.

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{{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⊕)

!data-sort-type="number"|Radius (R⊕)

!data-sort-type="number"|Density (g/cm3)

!data-sort-type="number"|Flux (F⊕)

!data-sort-type="number"|Teq (K)

!data-sort-type="number"|Period (days)

!data-sort-type="number"|Distance (ly)

!Refs/notes

style="background:#69db6f;"

| Earth
(reported for reference)

Sun{{StarG|G2V}}{{nts|1.00}}{{nts|1.00}}

|5.514

{{nts|1.00}}{{nts|255}}365.250Only planet confirmed to support life
style="background:#69db6f;"

| Venus
(reported for reference)

Sun{{StarG|G2V}}{{nts|0.815}}{{nts|0.950}}

|5.243

{{nts|1.911}}{{nts|244.261}}224.700.0000042{{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/}}
style="background:#69db6f;"

| Mars
(reported for reference)

Sun{{StarG|G2V}}{{nts|0.107}}{{nts|0.533}}

|3.934

{{nts|0.431}}{{nts|209.8}}686.980.0000058 - 0.000042{{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/}}
Gliese 12 bGliese 12{{StarM|M4V}}{{val|0.71}} or {{val|0.95}}{{Cite arXiv |last1=Brady |first1=Madison |last2=Bean |first2=Jacob |last3=Basant |first3=Ritvik |last4=Brown |first4=Nina |last5=Das |first5=Tanya |last6=Nixon |first6=Matthew |last7=Luque |first7=Rafael |last8=Piaulet-Ghorayeb |first8=Caroline |last9=Radica |first9=Michael |title=An Earth-like Density for the Temperate Earth-sized Planet GJ 12b |date=2025-06-25 |class=astro-ph.EP |eprint=2506.20561 }}{{cite arXiv|eprint=2506.20564 |last1=Turner |first1=Daisy A. |author2=Yoshi Nike Emilia Eschen |last3=Murgas |first3=Felipe |last4=Mortier |first4=Annelies |author5=Thomas G Wilson |author6=Jorge Fernández Fernández |last7=Morello |first7=Giuseppe |last8=Vissapragada |first8=Shreyas |last9=Caballero |first9=José A. |last10=Dreizler |first10=Stefan |author11=Jo Ann Egger |author12=Alix Violet Freckelton |last13=Gromek |first13=Nicole |last14=Hatzes |first14=Artie P. |author15=Ben Scott Lakeland |last16=Nagel |first16=Evangelos |last17=Naponiello |first17=Luca |last18=Tabernero |first18=Hugo M. |last19=Vanaverbeke |first19=Siegfried |last20=Venner |first20=Alexander |author21=María Rosa Zapatero Osorio |last22=Amado |first22=Pedro J. |last23=Béjar |first23=Víctor J. S. |author24=Aldo Stefano Bonomo |last25=Buchhave |first25=Lars A. |author26=Andrew Collier Cameron |last27=Carleo |first27=Ilaria |last28=Chaturvedi |first28=Priyanka |last29=Cloutier |first29=Ryan |last30=Damasso |first30=Mario |title=The mass of the exo-Venus Gliese 12 b, as revealed by HARPS-N, ESPRESSO, and CARMENES |date=2025 |class=astro-ph.EP |display-authors=1 }}{{val|0.904|0.037|0.034}}

| {{nts|5.3}} or {{nts|7.1}}

{{val|1.6|0.2}}{{nts|315}}12.739.7Might resemble Venus and be unhabitable{{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 }}
Gliese 163 cGliese 163{{StarM|M3V}}{{nts|prefix=≥|6.80}}—

| —

{{nts|1.25}}{{nts|277}}25.649
Gliese 180 dGliese 180{{StarM|M2V}}{{nts|prefix=≥|7.56}}—

| —

{{nts|0.26}}106.339
Gliese 357 dGliese 357{{StarM|M2V}}{{nts|prefix=≥|6.10}}—

| —

{{nts|0.38}}{{nts|200}}55.731
Gliese 433 dGliese 433{{StarM|M2V}}{{nts|prefix=≥|5.22}}—

| —

{{nts|1.06}}36.129.6
Gliese 514 bGliese 514{{StarM|M1V}}{{nts|prefix=≥|5.20}}—

| —

{{val|0.28|+0.51|−0.166
} || {{nts|202}} || 140.4 || 25 || Highly eccentric{{cite journal |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}}

|-

| Gliese 555 b|| Gliese 555 || {{StarM|M4V}} || {{nts|prefix=≥|5.46}} || —

| — || {{nts|0.5}} || {{nts|214}}{{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}} || 36.2 || 20.4 || Probably a mini-Neptune or an ocean planet{{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}}

|-

| Gliese 625 b || Gliese 625 || {{StarM|M2V}} || {{nts|prefix=≥|2.82}} || —

| — || || || 14.628 || 21.1 ||Only in HZ if very optimistic models used{{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}}{{cite web |url=http://hzgallery.org/3417_2.png |title=GJ 625 |website=hzgallery.org |access-date=15 September 2022}}

|-

| 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 ||

|-

| Gliese 1002 b || Gliese 1002 || {{StarM|M5V}} || {{nts|prefix=≥|1.08}} || ~1.03

| — || {{nts|0.67}} || {{nts|231}} || 10.3 || 15.8 ||

|-

| Gliese 1002 c || Gliese 1002 || {{StarM|M5V}} || {{nts|prefix=≥|1.36}} || 1.1

| — || {{nts|0.26}} || {{nts|182}} || 21.2 || 15.8 || {{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 |date=23 December 2022 |language=en}}

|-

| GJ 1061 c || GJ 1061 || {{StarM|M5V}} || {{val|1.81|0.13|0.11}}{{Cite journal|last1=Dreizler |first1=S. |title=RedDots: Panetary masses in the GJ 1061 system from planet-planet interaction |date=2025-04-15 |arxiv=2504.10926 |last2=Jeffers |first2=S. V.|last3=Liebing |first3=F. |last4=Gorrini |first4=P. |last5=Haswell |first5=C. A. |last6=Gaidos |first6=E. |last7=Barnes |first7=J. R. |last8=Sordo |first8=F. Del |last9=Jones |first9=H. R. A.|journal=Astronomy & Astrophysics |volume=698 |pages=A114 |doi=10.1051/0004-6361/202452490 }} || {{nts|prefix=~|1.18}}

| — || {{nts|1.45}} || {{nts|275}} || 6.7 || 12 ||

|-

| GJ 1061 d || GJ 1061 || {{StarM|M5V}} || {{val|1.67|0.17|0.16}} || {{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 ||

|-

| GJ 3998 d || GJ 3998 || {{StarM|M1V}} || {{nts|prefix=≥|6.07}} || —

| — || || || 41.8 || 58 || {{Cite journal |last1=Stefanov |first1=A. K. |last2=Mascareño |first2=A. Suárez |last3=Hernández |first3=J. I. González |last4=Nari |first4=N. |last5=Rebolo |first5=R. |last6=Affer |first6=L. |last7=Micela |first7=G. |last8=Ribas |first8=I. |last9=Sozzetti |first9=A. |last10=Perger |first10=M. |last11=Pinamonti |first11=M. |last12=Damasso |first12=M. |last13=Maldonado |first13=J. |last14=Álvarez |first14=E. González |last15=Scandriato |first15=G. |date=2025-02-06 |title=HADES RV Programme with HARPS-N at TNG. XVI. A super-Earth in the habitable zone of the GJ 3998 multi-planet system |journal=Astronomy & Astrophysics |volume=695 |pages=A62 |doi=10.1051/0004-6361/202452630 |issn=0004-6361|doi-access=free |arxiv=2503.08405 |bibcode=2025A&A...695A..62S }}

|-

|HD 20794 d|| HD 20794 || {{StarG|G8V}} || {{nts|5.82|prefix=≥}} || —

| — || || || 647.6 || 19.7 || Highly eccentric orbit and could also be a mini-Neptune{{Cite EPE|name=82 Eri d|id=888|access-date=2024-12-26}}{{cite journal |last1=Nari |first1=N. |last2=Dumusque |first2=X. |last3=Hara |first3=N. C. |last4=Suárez Mascareño |first4=A. |last5=Cretignier |first5=M. |last6=González Hernández |first6=J. I. |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. |last16=Zapatero Osorio |first16=M. R. |last17=Adibekyan |first17=V. |last18=Alibert |first18=Y. |last19=Allende Prieto |first19=C. |last20=Bouchy |first20=F. |last21=Benatti |first21=S. |last22=Castro-González |first22=A. |last23=D’Odorico |first23=V. |last24=Damasso |first24=M. |last25=Delisle |first25=J. B. |last26=Di Marcantonio |first26=P. |last27=Ehrenreich |first27=D. |last28=Génova-Santos |first28=R. |last29=Hobson |first29=M. J. |last30=Lavie |first30=B. |last31=Lillo-Box |first31=J. |last32=Lo Curto |first32=G. |last33=Lovis |first33=C. |last34=Martins |first34=C. J. a. P. |last35=Mehner |first35=A. |last36=Micela |first36=G. |last37=Molaro |first37=P. |last38=Mordasini |first38=C. |last39=Nunes |first39=N. |last40=Palle |first40=E. |last41=Quanz |first41=S. P. |last42=Ségransan |first42=D. |last43=Silva |first43=A. M. |last44=Sousa |first44=S. G. |last45=Udry |first45=S. |last46=Unger |first46=N. |last47=Venturini |first47=J. |display-authors=2 |date=28 January 2025 |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 |journal=Astronomy & Astrophysics |volume=693 |issue= |pages=A297 |doi=10.1051/0004-6361/202451769 |doi-access=free |language=en |issn=0004-6361 |arxiv=2501.17092|bibcode=2025A&A...693A.297N }}

|-

| HD 216520 c || HD 216520 || {{StarK|K0V}} || {{nts|prefix=≥|9.44}} || —

| — || {{nts|1.28}} || || 154.4 || 64 ||

|-

| HIP 38594 b || HIP 38594 || {{StarM|M0V}} || {{nts|prefix=≥|8.10}} || —

| — || {{nts|1.34}} || || 60.7 || 58 ||

|-

| K2-9b || K2-9 || {{StarM|M2V}} || — || {{nts|2.25}}

| — || {{nts|1.45}} || {{nts|279}} || 18.4 || 270 || {{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}}

|-

| K2-72e || K2-72 || {{StarM|M?V}} || {{nts|prefix=~|2.21}} || {{nts|1.29}}

| — || {{nts|1.30}} || {{nts|261}} || 24.2 || 217

| {{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|date=18 July 2016 }}

|-

| K2-332b|| K2-332 || {{StarM|M?V}} || — || {{nts|2.20}}

| — || {{nts|1.17}} || || 17.7 || 402 ||

|-

| K2-288Bb || K2-288 B || {{StarM|M3V}} || {{nts|4.27}} || {{nts|1.91}}

| — || {{nts|0.44}} || {{nts|207}} || 31.4 || 214 || {{cite web | url=https://science.nasa.gov/exoplanet-catalog/k2-288-b-b/ | title=K2-288 B b - NASA Science | date=22 April 2019 }}

|-

| Kepler-22b || Kepler-22 || {{StarG|G5V}} || — || {{nts|2.38}}

| — || {{nts|1.10}} || {{nts|261}} || 289.9 || 635 || {{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}}

|-

| Kepler-62e || Kepler-62 || {{StarK|K2V}} || {{val|4.5|+14.2|-2.6|}} || {{nts|1.61}}

| — || {{nts|1.15}} || {{nts|264}} || 122.4 || 981 || {{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}}

|-

| Kepler-62f || Kepler-62 || {{StarK|K2V}} || {{val|2.8|0.4}} || {{nts|1.41}}

| — || {{nts|0.41}} || {{nts|204}} || 267.3 || 981 || {{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}}

|-

| Kepler-155c || Kepler-155 || {{StarM|M0V}} || — || {{nts|2.24}}

| — || {{nts|1.05}} || || 52.7 || 957 ||

|-

| Kepler-174d || Kepler-174 || {{StarK|K3V}} || — || {{nts|2.19}}

| — || {{nts|0.59}} || {{nts|206}} || 247.4 || 1254 ||

|-

| Kepler-186f || Kepler-186 || {{StarM|M1V}} || {{val|1.44|+2.33|−1.12|}} || {{nts|1.17}}

| — || {{nts|0.29}} || {{nts|188}} || 129.9 || 579 ||

|-

| Kepler-283c || Kepler-283 || {{StarK|K5V}} || — || {{nts|1.82}}

| — || {{nts|0.89}} || {{nts|248}} || 92.7 || 1526 ||

|-

| Kepler-296e || Kepler-296 || {{StarK|K7V}} || {{nts|2.96}} || {{nts|1.52}}

| — || {{nts|1.41}} || {{nts|276}} || 34.1 || 737 || {{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}}{{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}}

|-

| Kepler-296f || Kepler-296 || {{StarK|K7V}} || — || {{nts|1.80}}

| — || {{nts|0.44}} || {{nts|225}} || 63.3 || 737 || {{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}}

|-

| Kepler-442b || Kepler-442 || {{StarK|K5V}} || {{val|2.36|+5.9|−1.3|}} || {{nts|1.35}}

| — || {{nts|0.70}} || {{nts|233}} || 112.3 || 1193 ||

|-

| Kepler-440b || Kepler-440 || {{StarK|K6V}} || — || {{nts|1.91}}

| — || {{nts|1.44}} || {{nts|273}} || 101.1 || 981 ||

|-

| Kepler-443b || Kepler-443 || {{StarK|K3V}} || — || {{nts|2.35}}

| — || {{nts|0.89}} || {{nts|247}} || 177.7 || 2615 ||

|-

| 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

|

|-

| Kepler-1410b || Kepler-1410 || {{StarK|K?V}} || — || {{nts|1.78}}

| — || {{nts|1.07}} || {{nts|274}} || 60.9 || 1196 ||

|-

| Kepler-1455b || Kepler-1455 || {{StarK|K?V}} || — || {{nts|2.10}}

| — || {{nts|1.30}} || || 49.3 || 1280 ||{{Cite EPE|name=Kepler-1455 b|access-date=February 16, 2025|id=2986}}

|-

| 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 ||

|-

| Kepler-1606b || Kepler-1606 || {{StarG|G?V}} || — || {{nts|2.07}}

| — || {{nts|1.64}} || {{nts|277}} || 196.4 || 2710 || {{Cite web|title=Exoplanet-catalog-Exoplanet exploration-Kepler-1606b|date=10 May 2016 |url=https://exoplanets.nasa.gov/exoplanet-catalog/2252/kepler-1606-b/}}

|-

| Kepler-1649c || Kepler-1649 || {{StarM|M5V}} || {{nts|1.20}} || {{nts|1.06}}

| — || {{nts|0.75}} || {{nts|237}} || 19.5 || 301

| {{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|date=15 April 2020 }}

|-

| 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 || {{Cite web|title=Exoplanet catalog-Exoplanet exploration-Kepler-1701b|date=4 September 2020 |url=https://exoplanets.nasa.gov/exoplanet-catalog/7742/kepler-1701-b/}}

|-

| 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 || Likely an ocean world with or without an atmosphere{{Cite journal |last1=Cadieux |first1=Charles |title=Transmission Spectroscopy of the Habitable Zone Exoplanet LHS 1140 b with JWST/NIRISS |date=2024-06-21 |arxiv=2406.15136 |last2=Doyon |first2=René|last3=MacDonald |first3=Ryan J. |last4=Turbet |first4=Martin |last5=Artigau |first5=Étienne |last6=Lim |first6=Olivia |last7=Radica |first7=Michael |last8=Fauchez |first8=Thomas J. |last9=Salhi |first9=Salma|journal=The Astrophysical Journal |volume=970 |issue=1 |pages=L2 |doi=10.3847/2041-8213/ad5afa |doi-access=free |bibcode=2024ApJ...970L...2C}}

|-

| LP 890-9 c || LP 890-9 || {{StarM|M6V}} || — || {{nts|1.37}}

| — || {{nts|0.91}} || {{nts|272}} || 8.46 || 105 || {{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}}

|-

| Luyten b || Luyten's Star || {{StarM|M3V}} || {{nts|prefix=≥|2.89}} || {{nts|prefix=~|1.35}}

| — || {{nts|1.06}} || {{nts|258}} || 18.65 || 12.3 ||

|-

| Proxima Centauri b || Proxima Centauri || {{StarM|M5V}} || {{nts|prefix=≥|1.07}}{{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}}{{rp|16}} || {{val|1.17|0.23}}

| — || {{nts|0.70}} || {{nts|228}} || 11.186 || 4.25 || Affected by stellar flare, possibly affected by high radiation flux

|-

| Ross 128 b || Ross 128 || {{StarM|M4V}} || {{nts|prefix=≥|1.40}} || {{nts|prefix=~|1.80}}

| — || {{nts|1.48}} || {{nts|280}} || 9.87 || 11.0 || {{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 |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 }}

|-

| Ross 508 b || Ross 508 || {{StarM|M4V}} || {{nts|prefix=≥|4.00}} || —

| — || {{nts|1.32}} || || 10.8 || 37 || {{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 }}

|-

| 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 || Radius is estimated{{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|date=28 June 2019 }}

|-

| 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 ||

|-

| 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}}{{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}} || {{nts|273}} || 27.8 || 101 || {{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}}

|-

|TOI-715 b || TOI-715 || {{StarM|M4V}} || {{nts|3.02}} || {{nts|1.55}} || — || {{nts|0.67}} || {{nts|234}} || 19.29 || 137 || {{cite web | url=https://science.nasa.gov/exoplanet-catalog/toi-715-b/ | title=TOI-715 b - NASA Science | date=2 June 2023 }}

|-

| TOI-2257 b || TOI-2257 || {{StarM|M3V}} || {{val|5.712|+4.288|−2.311|}}

|| {{nts|2.20}}

| — || {{val|0.57|+1.68|−0.31|}} || {{val|256|61|17|}} || 35.2 || 188 || Highly eccentric{{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 }}

|-

| TRAPPIST-1d || TRAPPIST-1 || {{StarM|M8V}} || {{nts|0.39}} || {{nts|0.78}}

|3.39|| {{nts|1.12}} || {{nts|258}} || 4.05 || 41 || Confirmed to be rocky

|-

| TRAPPIST-1e || TRAPPIST-1 || {{StarM|M8V}} || {{nts|0.69}} || {{nts|0.92}}

|5.65|| {{nts|0.65}} || {{nts|230}} || 6.1 || 41 || Confirmed to be rocky

|-

| TRAPPIST-1f || TRAPPIST-1 || {{StarM|M8V}} || {{nts|1.04}} || {{nts|1.04}}

|3.3 ± 0.9|| {{nts|0.37}} || {{nts|200}} || 9.2 || 41 || Confirmed to be rocky

|-

| TRAPPIST-1g || TRAPPIST-1 || {{StarM|M8V}} || {{nts|1.32}} || {{nts|1.13}}

|4.186|| {{nts|0.25}} || {{nts|182}} || 12.4 || 41 || Confirmed to be rocky

|-

| Wolf 1069 b || Wolf 1069 || {{StarM|M5V}} || {{nts|prefix=≥|1.26}} || {{nts|prefix=~|1.08}}

| — || {{nts|0.65}} || {{nts|250}} || 15.6 || 31.2 || {{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}}

|-

| Wolf 1061c || Wolf 1061 || {{StarM|M3V}} || {{nts|prefix=≥|3.41}} || {{nts|prefix=~|1.60}}

| — || {{nts|1.30}} || {{nts|271}} || 17.9 || 13.8

|

|}

Current candidates

{{dynamic list}}

{{See also|List of Kepler exoplanet candidates in the habitable zone}}

This is a list of notable exoplanets within the circumstellar habitable zone that are either under 10 Earth masses or smaller than 2.5 Earth radii and have not yet been confirmed. Earth is included for both comparison and reference, while Venus and Mars are included for reference only.

{{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⊕)

!data-sort-type="number"|Radius (R⊕)

!data-sort-type="number"|Density (g/cm3)

!data-sort-type="number"|Flux (F⊕)

!data-sort-type="number"|Teq (K)

!data-sort-type="number"|Period (days)

!data-sort-type="number"|Distance (ly)

!Refs/notes

style="background:#69db6f;"

| Earth
(reported for reference)

Sun{{StarG|G2V}}{{nts|1.00}}{{nts|1.00}}

|5.514

{{nts|1.00}}{{nts|255}}365.250Only planet confirmed to support life
style="background:#69db6f;"

| Venus
(reported for reference)

Sun{{StarG|G2V}}{{nts|0.815}}{{nts|0.950}}

|5.243

{{nts|1.911}}{{nts|244.261}}224.700.0000042
style="background:#69db6f;"

| Mars
(reported for reference)

Sun{{StarG|G2V}}{{nts|0.107}}{{nts|0.533}}

|3.934

{{nts|0.431}}{{nts|209.8}}686.980.0000058 - 0.000042
Gliese 180 cGliese 180{{StarM|M2V}}{{nts|prefix=≥|6.40}}—

| —

{{nts|0.78}}{{nts|239}}24.339
HD 40307 gHD 40307{{StarK|K2V}}{{nts|prefix=≥|7.09}}—

| —

{{nts|0.67}}{{nts|226}}197.842{{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}}
Kepler-452bKepler-452{{StarG|G2V}}{{nts|prefix=~|5}}{{nts|1.63}}

| —

{{nts|1.11}}{{nts|261}}384.81799{{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}}{{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}}{{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 }}{{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 }}
KOI-4878bKOI-4878{{StarF|F8V}}~{{val|1.9|1.1|0.5}}{{nts|1.05}}

| —

{{val|1.04|+1.1|−0.34
} || {{nts|257}} || 449.0 || 1075 || {{Cite EPE|name=KOI 4878 b|id=5236|access-date=2025-01-23}}{{cite web|title=Confirmed Planet Overview Page: KOI-4878-01 |url=https://exoplanetarchive.ipac.caltech.edu/overview/KOI-4878.01#planet_KOI-4878-01 |website=NASA Exoplanet Archive |publisher=NASA Exoplanet Science Institute |access-date=23 January 2025}}

|-

| L 98-59 f || L 98-59 || {{StarM|M3V}} || {{nts|prefix=≥|2.46}} || —

| — || {{nts|prefix=>|1}} || {{nts|prefix=~|280}} || 23.15 || 34.6

|{{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}}

|-

|Lacaille 9352 d || Lacaille 9352 || {{StarM|M0V}} || {{nts|8.3|prefix=≥}} || —

| — || || || 50.7 || 10.7 ||{{citation |arxiv=2006.16372 |title=A multiple planet system of super-Earths orbiting the brightest red dwarf star GJ887 |year=2020 |doi=10.1126/science.aaz0795 |last1=Jeffers |first1=S. V. |last2=Dreizler |first2=S. |last3=Barnes |first3=J. R. |last4=Haswell |first4=C. A. |last5=Nelson |first5=R. P. |last6=Rodríguez |first6=E. |last7=López-González |first7=M. J. |last8=Morales |first8=N. |last9=Luque |first9=R. |last10=Zechmeister |first10=M. |last11=Vogt |first11=S. S. |last12=Jenkins |first12=J. S. |last13=Pallé |first13=E. |last14=Berdi Ñas |first14=Z. M.|last15=Coleman |first15=G. A. L. |last16=Díaz |first16=M. R. |last17=Ribas |first17=I. |last18=Jones |first18=H. R. A.|last19=Butler |first19=R. P. |last20=Tinney |first20=C. G. |last21=Bailey |first21=J. |last22=Carter |first22=B. D. |last23=o'Toole |first23=S. |last24=Wittenmyer |first24=R. A. |last25=Crane |first25=J. D. |last26=Feng |first26=F. |last27=Shectman |first27=S. A. |last28=Teske |first28=J. |last29=Reiners |first29=Ansgar |last30=Amado |first30=P. J.|s2cid=220075207 |journal=Science |volume=368 |issue=6498 |pages=1477–1481 |pmid=32587019 |bibcode=2020Sci...368.1477J |display-authors=9}}

|-

|LTT 1445 Ad || LTT 1445A || {{StarM|M2V}} || {{nts|2.72|prefix=≥}} || —

| — || || || 24.3 || 22.4 ||{{cite journal |arxiv=2210.09713|year=2023 |title=Planetary system around LTT 1445A unveiled by ESPRESSO:Multiple planets in a triple M-dwarf system|last1=Lavie |first1=B. |journal=Astronomy and Astrophysics |volume=673 |pages=A69 |doi=10.1051/0004-6361/202143007 |bibcode=2023A&A...673A..69L |s2cid=252967989 }}

|-

|Tau Ceti f || Tau Ceti || {{StarG|G8V}} || {{nts|3.93|prefix=≥}} || —

| — || 0.27 || 190 || 642 || 11.9 || Has been only in HZ for less than 1 Gya{{Cite web|last=April 2015|first=Mike Wall 24|title=Nearby Alien Planets Not So Life-Friendly After All|url=https://www.space.com/29191-exoplanets-tau-ceti-alien-life.html|access-date=2020-10-07|website=Space.com|date=24 April 2015 |language=en}}{{Cite journal |last1=Pagano |first1=Michael |last2=Truitt |first2=Amanda |last3=Young |first3=Patrick A. |last4=Shim |first4=Sang-Heon |date=2015-04-21 |title=THE CHEMICAL COMPOSITION OF τ CETI AND POSSIBLE EFFECTS ON TERRESTRIAL PLANETS |url=https://iopscience.iop.org/article/10.1088/0004-637X/803/2/90 |journal=The Astrophysical Journal |volume=803 |issue=2 |pages=90 |doi=10.1088/0004-637X/803/2/90 |issn=1538-4357 |arxiv=1503.04189|bibcode=2015ApJ...803...90P }}{{cite journal |last1=Cretignier |first1=Michael |last2=Dumusque |first2=Xavier |display-authors=etal |date=September 2021 |title=YARARA: Significant improvement in RV precision through post-processing of spectral time series |journal=Astronomy & Astrophysics |volume=653 |issue= |pages=A43 |doi=10.1051/0004-6361/202140986 |arxiv=2106.07301 |bibcode=2021A&A...653A..43C}}

|-

|TOI-715.02 || TOI-715 || {{StarM|M4V}} || || {{val|1.066|0.092}}

| || {{val|0.48|0.12|0.17}} || || 25.6 || 137 ||{{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=2024-01-01 |title=A 1.55 R⊕ 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 |bibcode=2024MNRAS.527...35D }}

|-

| (unnamed planet) || WD 1054–226 || style="background: #FEFED9" | DAZ || ~1 || —

| — || || || 1.04 || 118 ||{{cite web|title=Planetary bodies observed in habitable zone of dead star |url=https://ras.ac.uk/news-and-press/research-highlights/planetary-bodies-observed-habitable-zone-dead-star |date=February 9, 2022 |access-date=February 11, 2022 |website=ras.ac.uk}}The surface temperature might be high enough for habitability{{Cite journal |last1=Shields |first1=Aomawa L. |last2=Wolf |first2=Eric T. |last3=Agol |first3=Eric |last4=Tremblay |first4=Pier-Emmanuel |title=Increased Surface Temperatures of Habitable White Dwarf Worlds Relative to Main-sequence Exoplanets |journal=The Astrophysical Journal |date=January 2025 |language=en |volume=979 |issue=1 |pages=45 |doi=10.3847/1538-4357/ad9827 |doi-access=free |arxiv=2412.02694 |bibcode=2025ApJ...979...45S |issn=0004-637X }}

|}

Previous candidates

Some exoplanet candidates detected by 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 & g,{{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 |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 }}{{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 }}{{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 }} Gliese 667 Ce & f,{{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 }} Gliese 682 b & c, Kapteyn b,{{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 }}{{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 }} Gliese 229 Ac{{Cite journal |last1=Deslières |first1=Ariane |last2=Cadieux |first2=Charles |last3=Doyon |first3=René |last4=Artigau |first4=Étienne |last5=Cook |first5=Neil J. |last6=Fontanive |first6=Clémence |last7=Vandal |first7=Thomas |date=February 2025 |title=The Gl 229 System Revisited with the Line-by-line Framework: Planetary Signals Now Appear as Stellar Activity Ghosts |journal=The Astronomical Journal |language=en |volume=169 |issue=3 |pages=182 |doi=10.3847/1538-3881/ada77a |doi-access=free |bibcode=2025AJ....169..182D |issn=1538-3881 }} and Gliese 832 c.{{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}}

HD 85512 b was initially estimated to be potentially habitable,{{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}}{{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 }} but updated models for the boundaries of the habitable zone placed the planet interior to the HZ,{{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 }}{{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 }} and it is now considered non-habitable. Kepler-69c has gone through a similar process; though initially estimated to be potentially habitable,{{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}} it was quickly realized that the planet is more likely to be similar to Venus,{{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 }} and is thus no longer considered habitable. 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.

Similarly, Tau Ceti e was thought to be likely habitable,{{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 }} but with improved models of the circumstellar habitable zone, as of 2022 PHL does not consider it potentially habitable.{{Failed verification|date=January 2024}} Kepler-438b was also initially considered potentially habitable; however, it was later found to be a subject of powerful flares that can strip a planet of its atmosphere, so it is now considered non-habitable.

K2-3d and K2-18b were originally considered potentially habitable, and the latter remains listed in the HEC, but recent studies have shown them to be gaseous sub-Neptunes rather than being the Hycean planets and thus unlikely to be habitable.{{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}}{{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}}{{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}}{{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. |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 |journal=Astronomy and Astrophysics |volume=615 |at=A69 |year=2018 |arxiv=1802.08320 |bibcode=2018A&A...615A..69D |s2cid=58923147 }}{{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 }}{{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 }}

Kepler-1638b was thought to be a possibly habitable planet with a radius smaller than {{val|2|ul=Earth radius}} after the validation. However based on the later measurement of host star parallax by Gaia, the radius of the planet was revised upward to {{val|3.226|0.201|0.315|ul=Earth radius}}, resulting in it being an ice giant like Neptune with poor prospect for habitability.{{cite web |title=Kepler-1638 |url=https://exoplanetarchive.ipac.caltech.edu/overview/Kepler-1638 |website=NASA Exoplanet Archive |access-date=2 February 2021}}{{cite journal |last1=Berger |first1=Travis A. |last2=Huber |first2=Daniel |last3=Gaidos |first3=Eric |last4=van Saders |first4=Jennifer L. |title=Revised Radii of Kepler Stars and Planets Using Gaia Data Release 2 |journal=The Astrophysical Journal |date=October 2018 |volume=866 |issue=2 |pages=99 |doi=10.3847/1538-4357/aada83 |arxiv=1805.00231 |bibcode=2018ApJ...866...99B |doi-access=free}}

KOI-1686.01 was also considered a potentially habitable exoplanet after its detection in 2011, until proven a false positive by NASA in 2015.{{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}} 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|

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References

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{{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 }}

{{cite journal

| title=HADES RV Programme with HARPS-N at TNG. V. A super-Earth on the inner edge of the habitable zone of the nearby M dwarf GJ 625

| url=https://www.aanda.org/articles/aa/full_html/2017/09/aa30957-17/aa30957-17.html

| last1=Suárez Mascareño | first1=A. | last2=González Hernández | first2=J. I.

| last3=Rebolo | first3=R. | last4=Velasco | first4=S.

| last5=Toledo-Padrón | first5=B. | last6=Affer | first6=L.

| last7=Perger | first7=M. | last8=Micela | first8=G.

| last9=Ribas | first9=I. | last10=Maldonado | first10=J.

| last11=Leto | first11=G. | last12=Zanmar Sanchez | first12=R.

| last13=Scandariato | first13=G. | last14=Damasso | first14=M.

| last15=Sozzetti | first15=A. | last16=Esposito | first16=M.

| last17=Covino | first17=E. | last18=Maggio | first18=A.

| last19=Lanza | first19=A. F. | last20=Desidera | first20=S.

| last21=Rosich | first21=A. | last22=Bignamini | first22=A.

| last23=Claudi | first23=R. | last24=Benatti | first24=S.

| last25=Borsa | first25=F. | last26=Pedani | first26=M.

| last27=Molinari | first27=E. | last28=Morales | first28=J. C.

| last29=Herrero | first29=E. | last30=Lafarga | first30=M.

| display-authors=1 | journal=Astronomy and Astrophysics

| volume=605 | at=A92 | year=2017

| arxiv=1705.06537 | bibcode=2017A&A...605A..92S

| doi=10.1051/0004-6361/201730957 | s2cid=119003137 }}

{{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 }}

}}

External links

{{refbegin}}

  • [http://phl.upr.edu/projects/habitable-exoplanets-catalog "The Habitable Exoplanets Catalog"] (PHL/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}}

{{Exoplanets}}

{{Astrobiology}}

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Potentially habitable exoplanets

exoplanets