List of exoplanets discovered in 2020

This list of exoplanets discovered in 2020 is a list of confirmed exoplanets that were first observed in 2020.

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries.

For exoplanets detected only by radial velocity, the listed value for mass is a lower limit. See Minimum mass for more information.

Name Mass (MJ) Radius (RJ) Period (days) Semi-major axis (AU) Temp. (K) Discovery method Distance (ly) Host star mass (M☉) Host star temp. (K) Remarks
2MASS J1155-7919 b 10 582 imaging 330 [1]Very young Super-Jupiter on unusually wide orbit.[2]
HD 38677 b 18.57±0.01 0.1462±0.0012 877 radial vel. 202.2169±3.261564 1.21±0.03 6196±29 DMPP-1[3]Found by Dispersed Matter Planet Project looking for hot ablating planets.
HD 38677 c 6.584+0.003
−0.002		 0.0733+0.0006
−0.0007		 1239 radial vel. 202.2169±3.261564 1.21±0.03 6196±29 DMPP-1[3]Found by Dispersed Matter Planet Project looking for hot ablating planets, 2:1 orbital resonance of unconfirmed transiting planet.[4]
HD 38677 d 2.882±0.001 0.0422+0.0004
−0.0003		 1632 radial vel. 202.2169±3.261564 1.21±0.03 6196±29 DMPP-1[3]Found by Dispersed Matter Planet Project looking for hot ablating planets.
HD 38677 e 5.516+0.002
−0.004		 0.0651±0.0005 1314 radial vel. 202.2169±3.261564 1.21±0.03 6196±29 DMPP-1[3]Found by Dispersed Matter Planet Project looking for hot ablating planets.
HD 11231 b 0.426+0.038
−0.052		 5.2072+0.0002
−0.0055		 0.0664±0.0005 1000 radial vel. 437.0495±13.04625 1.44±0.03 6500±100 DMPP-2[3]Found by Dispersed Matter Planet Project looking for hot ablating planets.
HD 42936 Ab 2.58+0.35
−0.58		 6.6732+0.0011
−0.0003		 0.0662±0.0013 854 radial vel. 159.4905±1.956938 0.87±0.05 5138±99 DMPP-3[3]Found by Dispersed Matter Planet Project looking for hot ablating planets.
EPIC 249893012 b 0.02753±0.00343 0.174±0.008 3.5951±0.0003 0.047+0.005
−0.007		 1616+150
−80		 transit 1059.03±13.69857 1.05±0.05 5430±85 [5]
EPIC 249893012 c 0.04616±0.00595 0.3274+0.0152
−0.0125		 15.624±0.001 0.13+0.01
−0.02		 990+68
−29		 transit 1059.03±13.69857 1.05±0.05 5430±85 [5]
EPIC 249893012 d 0.03203+0.00774
−0.00761		 0.3515±0.0116 35.747±0.005 0.22+0.02
−0.04		 752+69
−37		 transit 1059.03±13.69857 1.05±0.05 5430±85 [5][6]
G 9-40 b 0.1807 5.746007 0.0385 456 transit 91.1 0.290 3348 [7]
Gliese 180 d 7.56±1.07 106.341+0.261
−0.34		 0.31+0.024
−0.029		 radial vel. 39.96±0.01 0.43 3371 [8]
Gliese 229 Ac 0.025 122.005+0.364
−0.382		 0.339+0.024
−0.029		 radial vel. 18.78±0.004 0.58 3564 [9][10]
Gliese 433 d 0.019 36.052+0.045
−0.031		 0.178+0.013
−0.015		 radial vel. 29.57±0.01 0.48 3600 [11][12]
Gliese 1061 b 0.00431+0.00050
−0.00047		 3.204±0.001 0.021±0.001 radial vel. 11.98±0.003 0.12±0.01 2953±98 [13]
Gliese 1061 c 0.00547±0.00072 6.689±0.005 0.035±0.001 radial vel. 11.98±0.003 0.12±0.01 2953±98 [14]
Gliese 1061 d 0.00516+0.00076
−0.00072		 13.031+0.025
−0.032		 0.054±0.001 radial vel. 11.98±0.003 0.12±0.01 2953±98 [15]
Gliese 1252 b 0.00658±0.00176 0.1064±0.0066 0.5182349+0.0000063
−0.0000050		 0.00916±0.00076 1089±69 transit 66.49±0.06 0.381±0.019 3458+140
−133		 [16]
Gliese 3082 b 0.02759+0.011
−0.01334		 11.949±0.022 0.079+0.006
−0.007		 radial vel. 54.2 0.47 [17]
HATS-47b 0.369 1.117 3.9228 852.9 transit 0.674 [18]
HATS-48Ab 0.243 0.800 3.1317 0.03769±0.00011 954.6 transit 865 0.7279 4546.0+23
−18		 [18][19]
HATS-49b 0.353 0.765 4.1480 834.8 transit 0.7133 [18]
HATS-72b 0.1254 0.7224 7.3279 739.3 transit 0.7311 [18]
HD 80653 b 0.0176±0.0014 0.1439±0.0063 0.719573±0.000021 0.0166±0.0003 transit 358.1197±2.641867 1.18±0.04 [20]
HD 285507 b 0.92±0.03 6.0962±0.0002 radial vel. 153 0.73±0.03 4503+85
−61		 [21][22]member of Hyades (star cluster), suspected since 2013
HIP 65A b 3.213±0.078 2.03+0.61
−0.49		 0.9809761+0.000037
−0.000034		 0.01782±0.00021 1411±15 transit 201.85818±0.2609251 0.781±0.027 4590±49 an ultra-short-period Jupiter orbiting a bright (V=11.1 mag) K4-dwarf.[23][24][25]
KELT-2019-BLG-1953 b 0.59+0.71
−0.32		 0.8+0.9
−0.6		 microlensing 23000+3600
−4300		 0.31+0.37
−0.17		 [26][27]
KELT-2019-BLG-1953 c 0.28+0.35
−0.15		 0.8+0.9
−0.7		 microlensing 23000+3600
−4300		 0.31+0.37
−0.17		 [28][27]
Kepler-1661(AB) b 0.053±0.038 0.345±0.005 175.06±0.06 0.633±0.005 243 transit 1355.26±9.56 0.841±0.022 5100±100 [29][30]
L 168-9b 0.0145±0.00176 0.124±0.008 1.4015±0.00018 0.02091±0.00024 816±160 transit 82.02833±0.07827753 0.62±0.03 3800±70 [31]
OGLE-2018-BLG-0677L b 0.0125+0.0185
−0.0084		 0.68+0.27
−0.22		 microlensing 27000±3500 0.12+0.14
−0.08		 Milky way bulge[32]
TOI-132 b 0.07048+0.00598
−0.00604		 0.305±0.012 2.1097019+0.000012
−0.000011		 0.026+0.002
−0.003		 1395+52
−72		 transit 536.43±89.11 0.970±0.06 5397±46 [33]
TOI-257 b 0.134±0.023 0.626±0.013 18.38827±0.00072 0.1523±0.0017 1033±19 transit 251.37±0.065 1.38+0.056
−0.009		 6075±90 [34]
TOI-700 b 0.00406+0.003
−0.00116		 0.0901+0.00839
−0.00776		 9.97701+0.00024
−0.00028		 0.0637+0.0064
−0.006		 transit 101.5 0.416±0.01 3480±135 [35]
TOI-700 c 0.0249+0.0085
−0.0057		 0.2346+0.0214
−0.0205		 16.051998+0.000089
−0.000092		 0.0925+0.0088
−0.0083		 transit 101.5 0.416±0.01 3480±135 [35]
TOI-700 d 0.00711+0.0022
−0.00164		 0.1062±0.0098 37.426+0.0007
−0.001		 0.163±0.015 295±55 transit 101.5 0.416±0.01 3480±135 First "Earth sized" discovered by TESS[35][36]
TOI-732 b 0.098 0.119 0.7683881 0.012 892 transit 72 0.379 3360 Orbiting primary star of binary LDS 3977[37][38]
TOI-732 c 0.027 0.205 12.25 0.07673 323 transit 72 0.379 3360 Orbiting primary star of binary LDS 3977[37][38]
TOI-813 b 0.599±0.034 83.8911+0.0027
−0.0031		 0.423+0.031
−0.037		 610+28
−21		 transit 864.8192±5.156379 1.32±0.06 5907±150 [39]
TOI-1338 b 0.616 94.5 724 transit 1301 First circumbinary planet discovered by TESS[40]
TOI-1339 b 0.301 8.880411 0.089 778+58
−41		 transit 175 0.92 5400 [41]
TOI-1339 c 0.287 28.58060 0.178 550±45 transit 175 0.92 5400 [41]
TOI-1339 d 0.282 38.3561 0.216 499+12
−11		 transit 175 0.92 5400 [41]
USco1621 b 16 2880 2270 imaging 450 0.36 3460 [42]
USco1556 b 15 3500 2240 imaging 459 0.33 3410 [42]
XO-7b 0.709 1.373 2.8641424 0.04421 1743 transit 763 1.405 6250 [43]
LHS 1815 b 0.0132±0.0047 0.0971±0.005 3.81433±0.00003 0.0404±0.0094 617±84 transit 97 0.502 3643±142 [44][45]
TOI-157 b 1.18±0.13 1.29±0.02 2.0845435±0.0000023 0.03138+0.00025
−0.00020		 1588+21
−20		 transit 1171 0.948+0.023
−0.018		 5404+70
−67		 [23]
TOI-169 b 0.791+0.064
−0.06		 1.086+0.081
−0.048		 2.2554477±0.0000063 0.03524+0.00069
−0.00079		 1715+22
−20		 transit 1345 1.147+0.069
−0.075		 5880+54
−49		 [23]
TOI-849 b 0.128±0.008 0.308+0.014
−0.011		 0.7655240±0.0000027 0.01598±0.00013 1800 transit 735 0.929±0.023 5329±48 Neptunian Desert planet[46]
HD 95338 b 0.124+0.019
−0.013		 0.355+0.008
−0.007		 55.086+0.018
−0.019		 0.231+0.005
−0.009		 402+6
−9		 transit 120 0.76+0.16
−0.1		 5212+16
−11		 [47]
HD 332231 b 0.244±0.021 0.867+0.027
−0.025		 18.71204±0.00043 0.1436+0.0032
−0.0033		 876±17 transit 262 1.127±0.077 6089+97
−96		 TOI 1456[48]
TOI-1130 b 0.3256±0.009 4.066499±0.000046 0.04394+0.00035
−0.00038		 876±17 transit 190 0.684+0.16
−0.17		 4250±67 [49][50]
TOI-1130 c 0.974+0.043
−0.044		 1.5+0.27
−0.22		 8.350381±0.000033 0.07098+0.00056
−0.0006		 637±12 transit 190 0.684+0.16
−0.17		 4250±67 [49][51]
HD 78211 b 0.032±0.005 24.45±0.02 0.141±0.005 345 radial vel. 20.658±0.005 0.64±0.07 4005±51 [52]
WASP-150 b 8.46+0.28
−0.2		 1.07+0.024
−0.025		 5.644207+0.00003
−0.000004		 0.0694+0.0011
−0.0008		 1460±11 transit 2422 1.394+0.07
−0.049		 6218+49
−45		 [53]
WASP-176 b 0.855+0.072
−0.069		 1.505+0.05
−0.045		 3.899052±0.00005 0.0535+0.001
−0.0019		 1721+28
−21		 transit 1883 1.345+0.08
−0.13		 5941+77
−79		 [53]
TOI-1235 b 0.0217±0.00025 0.155±0.007 3.444729+0.000031
−0.000028		 0.03845+0.00037
−0.0004		 754±18 transit 129 0.640±0.016 3872±70 one more suspected planet in system[54]
OGLE-2017-BLG-0406 b 0.41±0.05 3.5±0.3 microlensing 17000±1600 0.56±0.07 4848 High fidelity microlensing event[55]
TOI-421 b 0.051+0.004
−0.003		 0.461±0.012 16.06815+0.00034
−0.00035		 0.1182+0.0026
−0.0027		 696.6±12.2 transit 244.3±1.9 0.852+0.029
−0.021		 5325+78
−58		 Also in system a red dwarf star at 2200 a.u. separation[56]
TOI-421 c 0.0222±0.0022 0.243±0.017 5.19676+0.00049
−0.00048		 0.0557+0.0012
−0.0013		 1014.9+17.9
−17.6		 transit 244.3±1.9 0.852+0.029
−0.021		 5325+78
−58		 Also in system a red dwarf star at 2200 a.u. separation[56]
HD 108236 b 0.1415±0.0087 3.79523+0.00047
−0.00044		 0.0469±0.0017 1099+19
−18		 transit 211 0.97 5730±50 [57]
HD 108236 c 0.1845+0.0089
−0.0081		 6.2037+0.00064
−0.00052		 0.0651±0.0024 932+17
−16		 transit 211 0.97 5730±50 [57]
HD 108236 d 0.2423±0.0097 14.1756+0.001
−0.0011		 0.1131±0.004 708+13
−12		 transit 211 0.97 5730±50 [57]
HD 108236 e 0.279+0.012
−0.011		 19.592±0.002 0.14±0.0052 636+12
−11		 transit 211 0.97 5730±50 [57]
WASP-148 b 0.291±0.025 0.722±0.055 8.80381±0.000043 0.22±0.063 940±80 transit 809±5 1.00±0.08 5460±130 [58]
WASP-148 c 0.397+0.203
−0.044		 34.515±0.029 0.359±0.086 590±50 radial vel. 809±5 1.00±0.08 5460±130 [58]
NGTS-11 b 0.37±0.14 0.823±0.035 35.4553±0.0002 0.201±0.002 440±40 transit 624±6 0.862±0.028 5050±80 [59]
HIP 67522 b 0.25 0.894+0.048
−0.047		 6.9596+0.000016
−0.000015		 1174±21 transit 416±4 1.22±0.05 5675±75 One more candidate planet around very young (age below 20 million years) star[60]
HD 63433 b 0.017 ±0.009 7.10801+0.00046
−0.00034		 0.0710+0.0033
−0.0041		 transit 73.08±0.07 0.99±0.03 5640±74 [61]
HD 63433 c 0.023 0.238±0.01 20.5455±0.001 0.1531+0.0074
−0.0092		 transit 73.08±0.07 0.99±0.03 5640±74 [61]
HD 164922 d 0.013±0.003 12.458±0.003 0.103±0.003 radial vel. 72.1±0.9 0.874±0.012 5293±32 [62]
OGLE-2006-BLG-284 b 0.45+0.14
−0.40		 2.2±0.8 microlensing 13000±4900 0.35+0.3
−0.2		 Binary host with 2.1 astronomical unit separation and uncertain, possibly unstable, planetary orbit.[63]
Wendelstein-1b 0.59+0.17
−0.13		 1.0314+0.00204
−0.021		 2.663416±0.000001 0.0282±0.0009 1727+78
−90		 transit 1004±10 0.65±0.1 3984+152
−46		 [64]
Wendelstein-2b 0.731+0.541
−0.311		 1.1592±0.0061 1.7522239±0.0000008 0.0234±0.0015 1852+120
−140		 transit 1875±20 0.73±0.11 4288+133
−111		 Extended gaseous envelope[64]
Kepler-160d 0.170+0.015
−0.012		 378.417+0.028
−0.025		 1.089+0.037
−0.073		 244.8+2.1
−2.9		 transit 3140±60 0.88 5471+115
−37		 Next expected transit in September 2020.[65]
EPIC 249631677b 0.085±0.005 3.1443189±0.0000049 0.0234 460±5 transit 185±1 0.174±0.004 3300±30 Also called "pi Earth" due its orbital period[66]
TOI-1266 b 0.2193+0.074
−0.066		 10.894879+0.00007
−0.00007		 0.0745+0.0046
−0.0069		 410+21
−15		 transit 117.4±1.0 0.437±0.021 3563±77 [67]
TOI-1266 c 0.1492+0.077
−0.095		 18.80152+0.00054
−0.00067		 0.1037+0.0026
−0.0025		 347.1+7.9
−8		 transit 117.4±1.0 0.437±0.021 3563±77 [67]
AU Microscopii b 0.18 0.375 8.46321±0.00004 0.066 transit 32.3±0.3 0.31 3500±100 [68][69][70]
TOI-1728 b 0.084+0.017
−0.016		 0.450±0.014 3.491510+0.000062
−0.000057		 0.0391±0.0009 767±8 transit 198.2±0.5 0.646+0.023
−0.022		 3980+31
−32		 [71]
BD-11 4672 c 0.048±0.009 74.2+0.06
−0.08		 0.30±0.01 radial vel. 88.63±0.11 0.651+0.031
−0.029		 4550±110 Habitable zone, highly eccentric orbit.[72]

Specific exoplanet lists

References
  1. exoplanet.eu Planet 2MASS J1155-7919 b
  2. www.sci-news.com Astronomers Discover Nearest-Known Newborn Gas Giant
  3. Haswell, Carole A.; et al. (2019). "Dispersed Matter Planet Project discoveries of ablating planets orbiting nearby bright stars". Nature Astronomy. 4 (4): 408–418. arXiv:1912.10874. Bibcode:2020NatAs...4..408H. doi:10.1038/s41550-019-0973-y.
  4. Jones, Mark H.; Haswell, Carole A.; Barnes, John R.; Staab, Daniel; Heller, René (2020). "A possible transit of a disintegrating exoplanet in the nearby multiplanet system DMPP-1". arXiv:2005.07086 [astro-ph.EP].
  5. Three planets transiting the evolved star EPIC 249893012: a hot 8.8-M⊕ super-Earth and two warm 14.7 and 10.2-M⊕ sub-Neptunes, 2020, arXiv:2002.01755v1
  6. exoplanet.eu Planet EPIC 249893012 d
  7. G 9-40 b
  8. GJ 180 d
  9. GJ 229 A c
  10. Feng, Fabo; Butler, R. Paul; Shectman, Stephen A.; Crane, Jeffrey D.; Vogt, Steve; Chambers, John; Jones, Hugh R. A.; Wang, Sharon Xuesong; Teske, Johanna K.; Burt, Jenn; Díaz, Matías R.; Thompson, Ian B. (2020). "Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation of Three Planets around Nine Nearby M Dwarfs". The Astrophysical Journal Supplement Series. 246 (1): 11. arXiv:2001.02577. Bibcode:2020ApJS..246...11F. doi:10.3847/1538-4365/ab5e7c.
  11. www.sci-news.com Astronomers Discover Five New Planets around Nearby Red Dwarfs
  12. GJ 433 d
  13. GJ 1061 b
  14. GJ 1061 c
  15. GJ 1061 d
  16. GJ 1252 b
  17. exoplanet.eu Planet GJ 3082 b
  18. Hartman, J. D.; et al. (2020). "HATS-47b, HATS-48Ab, HATS-49b and HATS-72b: Four Warm Giant Planets Transiting K Dwarfs". The Astronomical Journal. 159 (4): 173. arXiv:2002.05776. Bibcode:2020AJ....159..173H. doi:10.3847/1538-3881/ab7821.
  19. exoplanet.eu hats-48a b
  20. exoplanet.eu HD 80653 b
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  24. exoplanet.eu HIP 65A b
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  26. exoplanet.eu Planet KELT-2019-BLG-1953 b
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  28. exoplanet.eu Planet KELT-2019-BLG-1953 c
  29. Kepler-1661 b
  30. Socia, Quentin J.; et al. (2020). "Kepler-1661 b: A Neptune-sized Kepler Transiting Circumbinary Planet around a Grazing Eclipsing Binary". The Astronomical Journal. 159 (3): 94. arXiv:2001.02840. Bibcode:2020AJ....159...94S. doi:10.3847/1538-3881/ab665b.
  31. exoplanet.eu L 168-9 b
  32. Herrera-Martín, Antonio; et al. (2020). "Ogle-2018-BLG-0677lb: A super earth near the galactic bulge". The Astronomical Journal. 159 (6): 256. arXiv:2003.02983. Bibcode:2020AJ....159..256H. doi:10.3847/1538-3881/ab893e.
  33. TOI-132 b
  34. exoplanet.eu toi-257_b
  35. Gilbert, Emily A.; Barclay, Thomas; Schlieder, Joshua E.; Quintana, Elisa V.; Hord, Benjamin J.; Kostov, Veselin B.; Lopez, Eric D.; Rowe, Jason F.; Hoffman, Kelsey; Walkowicz, Lucianne M.; Silverstein, Michele L.; Rodriguez, Joseph E.; Vanderburg, Andrew; Suissa, Gabrielle; Airapetian, Vladimir S.; Clement, Matthew S.; Raymond, Sean N.; Mann, Andrew W.; Kruse, Ethan; Lissauer, Jack J.; Colón, Knicole D.; Ravi kumar Kopparapu; Kreidberg, Laura; Zieba, Sebastian; Collins, Karen A.; Quinn, Samuel N.; Howell, Steve B.; Ziegler, Carl; Eliot Halley Vrijmoet; et al. (2020). "The First Habitable Zone Earth-sized Planet from TESS. I: Validation of the TOI-700 System". arXiv:2001.00952 [astro-ph.EP].
  36. Suissa, Gabrielle; Wolf, Eric T.; Ravi kumar Kopparapu; Villanueva, Geronimo L.; Fauchez, Thomas; Mandell, Avi M.; Arney, Giada; Gilbert, Emily A.; Schlieder, Joshua E.; Barclay, Thomas; Quintana, Elisa V.; Lopez, Eric; Rodriguez, Joseph E.; Vanderburg, Andrew (2020). "The First Habitable Zone Earth-sized Planet from TESS. III: Climate States and Characterization Prospects for TOI-700 D". arXiv:2001.00955 [astro-ph.EP].
  37. Cloutier, Ryan; et al. (2020). "A pair of TESS planets spanning the radius valley around the nearby mid-M dwarf LTT 3780". arXiv:2003.01136 [astro-ph.EP].
  38. Nowak, G.; et al. (2020). "The CARMENES search for exoplanets around M dwarfs. Two planets on the opposite sides of the radius gap transiting the nearby M dwarf LP 729-54". arXiv:2003.01140 [astro-ph.EP].
  39. exoplanet.eu toi-813_b
  40. Kostov, Veselin B.; Orosz, Jerome A.; Feinstein, Adina D.; Welsh, William F.; Cukier, Wolf; Haghighipour, Nader; Quarles, Billy; Martin, David V.; Montet, Benjamin T.; Torres, Guillermo; Triaud, Amaury H. M. J.; Barclay, Thomas; Boyd, Patricia; Briceno, Cesar; Andrew Collier Cameron; Correia, Alexandre C. M.; Gilbert, Emily A.; Gill, Samuel; Gillon, Michael; Haqq-Misra, Jacob; Hellier, Coel; Dressing, Courtney; Fabrycky, Daniel C.; Furesz, Gabor; Jenkins, Jon; Kane, Stephen R.; Kopparapu, Ravi; Vedad Kunovac Hodzic; Latham, David W.; et al. (2020). "TOI-1338: TESS' First Transiting Circumbinary Planet". The Astronomical Journal. 159 (6): 253. arXiv:2004.07783. Bibcode:2020AJ....159..253K. doi:10.3847/1538-3881/ab8a48.
  41. Badenas-Agusti, Mariona; et al. (2020). "HD 191939: Three Sub-Neptunes Transiting a Sun-like Star Only 54 pc Away". arXiv:2002.03958 [astro-ph.EP].
  42. Chinchilla, Patricia; et al. (2020). "USco1621 B and USco1556 B: Two wide companions at the deuterium-burning mass limit in Upper Scorpius". Astronomy & Astrophysics. 633: A152. arXiv:1912.04150. Bibcode:2020A&A...633A.152C. doi:10.1051/0004-6361/201936130.
  43. Crouzet, Nicolas; et al. (2020). "XO-7 b: A Transiting Hot Jupiter with a Massive Companion on a Wide Orbit". The Astronomical Journal. 159 (2): 44. arXiv:1912.02821. Bibcode:2020AJ....159...44C. doi:10.3847/1538-3881/ab5b12.
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