List of exoplanets discovered in 2021


This list of exoplanets discovered in 2021 is a list of confirmed exoplanets that were first observed in 2021.
For exoplanets detected only by radial velocity, the listed value for mass is a lower limit. See Minimum mass for more information.
NameMass Radius Period Semi-major axis Temp. Discovery methodDistance Host star mass Host star temp. Remarks
2M0437 b41.161,136,0001151,450imaging417.90.1653,100Gas giant also known as 2MASSJ04372171 b
b Centauri b10.9200000556imaging3258Circumbinary planet in unusually massive host star system
BD+45 0564 b1.36307.880.83radial vel.1740.815,004
BD+55 0362 b0.72265.590.78radial vel.1680.9095,012Additional giant planet is suspected
BD+60 1417b151.3116621303imaging146.651.04993Young host star
BD+63 1405 b3.961,198.482.06radial vel.124.40.825,000Extremely eccentric orbit
Alpha Centauri Ab0.062-0.1570.3011-0.6386imaging4.371.07885790Imaged near Alpha Centauri A
COCONUTS-2b6.34000000007506434imaging35.60.373406Planet also catalogued as WISEPA J075108.79−763449.6, First identified as a brown dwarf, but revealed to be an exoplanet in 2021.
EPIC 201427007 b0.00900.1340.72091transit23040.9305633
EPIC 201595106 b0.007050.1160.877214transit7625820Candidate since 2018; also known as K2-360b
EPIC 211314705.010.1393.793306543transit300.00.433,669Two more planets in system are suspected.
EPIC 211401787.010.24713.774798969transit5251.236,232Host star also known as BD+12 1842.
EPIC 211502222.010.24322.996591673transit6941.105,994
EPIC 211502222.020.1609.398977909transit6941.105,994
EPIC 211525753.010.2015.73856470.06321,066transit0.965,790
EPIC 211537087.010.20421.02673660.1599624transit0.905,568
EPIC 211579112.010.19617.706320266transit4030.273,315
EPIC 211647930.010.55214.759287826transit1,1331.065,880
EPIC 211730024.010.5045.1139811,380transit1,2261.366,502
EPIC 211730267.010.33216.34886370.1450735transit0.985,794
EPIC 211743874.010.19712.283211949transit1,8501.236,222
EPIC 211763214.010.10921.194733569transit7860.865,424
EPIC 211770696.010.23416.273563850transit1,3900.945,869
EPIC 211779390.010.0923.850614783transit5140.664,558
EPIC 211897691.020.17119.507428508transit1,1870.744,857
EPIC 211914998.010.23911.25102850.0863888transit0.935,650
EPIC 211923431.010.30029.740451606transit2,4600.935,532
EPIC 211978988.010.28736.552551598transit1,3900.985,817
EPIC 212058012.010.18111.561052861transit6841.015,920
EPIC 212072539.010.1807.676972465transit5450.493,804
EPIC 212072539.020.1472.787174653transit5450.493,804
EPIC 212081533.010.1423.355850722transit245.80.514,374
EPIC 212088059.010.18810.367437437transit5320.563,779
EPIC 212132195.010.20226.201446450transit345.50.714,801
EPIC 212161956.010.2157.187257640transit10550.664,599
EPIC 212204403.010.2914.688418908transit6620.835,077
EPIC 212204403.020.23812.550171655transit6620.835,077
EPIC 212420823.010.1239.032178518transit1,4500.544,385
EPIC 212440430.020.1384.1638731,158transit1,6200.985,789
EPIC 212543933.010.2277.806164934transit1,3101.025,769
EPIC 212624936 b0.005890.5170.578657transit5765Host star TYC 5557-667-1
EPIC 212624936 c0.0190.21411.811437transit5765Host star TYC 5557-667-1
EPIC 220492298 b0.002950.0850.762406transit5620
EPIC 228836835 b0.004310.0890.728113transit4913782
EPIC 251319382.010.1718.234885885transit5770.955,791
EPIC 251319382.020.19914.871387727transit5770.955,791
EPIC 251319382.030.1223.6659121,160transit5770.955,791
EPIC 251554286.010.49615.466805735transit8830.875,698
G 264-12 b0.00792.305380.02279587radial vel.52.140.2973,326
G 264-12 c0.01188.05180.0525387radial vel.52.140.2973,326
Gamma Piscium b1.34555.11.32radial vel.1380.994742
Gliese 146 b0.01755.09071 ± 0.000260.0510573radial vel.44.370.6844,385Host star also known as HD 22496.
Gliese 367 b0.00170.0640.3219620.00711745transit30.6950.453522
Gliese 393 b0.00547.026790.05402485radial vel.22.9560.4263,579
Gliese 486 b0.00890.1171.4671190.01734701transit26.3440.3233,340Planet may have a measurable atmosphere
Gliese 740 b0.00932.377560.029829radial vel.36.210.583,913
Gliese 9689 b0.030418.270.1139453radial vel.100.100.593,836
HAT-P-58b0.3721.3324.01383790.049941622transit16901.0316078
HAT-P-59b1.5401.1234.14197710.050641278transit8711.0085678
HAT-P-60b0.5741.6314.79478130.062771772transit7671.4356212
HAT-P-61b1.0570.8991.902312890.030101505transit11201.0045587
HAT-P-62b0.7611.0732.64532350.037721512transit11501.0235629
HAT-P-63b0.6141.1193.3777280.042941237transit13300.9255400
HAT-P-64b0.581.7034.00723200.053871766transit21351.2986457
HATS-74Ab1.461.0321.731856060.02384895.1transit9520.6013775Host star also known as TOI-737
HATS-75b0.4910.8842.78865560.032742772.3transit6400.60173812Host star also known as TOI-552
HATS-76b2.6291.0791.94164230.02658939.8transit12720.6623990Host star also known as TOI-555
HATS-77b1.3741.1653.08762620.03607828.3transit14400.6554082Host star also known as TOI-730
HD 360 b0.75273.10.98radial vel.3621.694770
HD 3765 b0.1731,2112.108radial vel.78.5
HD 5278 b0.02450.21914.3391560.1202943transit183.11.1266,203Host star also known as TOI-130.
HD 5278 c0.05790.24160.1202943radial vel.183.11.1266,203Host star also known as TOI-130.
HD 10975 b0.45283.80.95radial vel.3791.414840
HD 13808 b0.034614.20.11radial vel.92.20.7715,035Candidate since 2011, confirmed in 2021
HD 13808 c0.031553.80.26radial vel.92.20.7715,035Candidate since 2011, confirmed in 2021
HD 19615 b8.54021.1radial vel.8721.13987Red giant host star
HD 24040 c0.201515.41.3radial vel.152.31.145,917
HD 26161 b13.532,00020.4radial vel.133.6Very eccentric orbit, and also red dwarf in the system
HD 27969 b4.80654.51.552261radial vel.1.165,966
HD 39474 b0.421.00852.978180.30759transit372.51.3166,394Host star also known as TOI-201
HD 63935 b0.03400.2679.058811911transit159.360.9335,534
HD 63935 c0.03490.25921.4023684transit159.360.9335,534
HD 66428 c2739,00023.0radial vel.174.11.095,773
HD 68988 c15.016,10013.2radial vel.198.81.165,919Suspected since 2006
HD 73583 b0.03150.2536.39804180.0601721transit103.080.714511Host star also known as TOI-560, planetary helium emission detected.
HD 73583 c0.03020.21218.87970.1236503transit103.080.714511Host star also known as TOI-560
HD 79181 b0.64273.10.90radial vel.3371.284862
HD 80869 b4.861711.72.878203.2radial vel.1.085,837Very eccentric orbit
HD 95544 b6.8421723.386156.5radial vel.1.095,722
HD 99183 b0.97310.41.08radial vel.3551.764886
HD 107148 c0.062618.32670.1406radial vel.161.41.15,789
HD 108236 f0.1740629.542550.1759transit2110.8535,720.0
HD 109286 b2.99520.11.259259.4radial vel.0.985,694
HD 103891 b1.4419193.27radial vel.179.01.286072
HD 105779 b0.6424123.38radial vel.179.70.895792
HD 110082 b0.285710.182710.113transit342.81.216,200Orbiting a primary of wide binary system Host star also known as TOI-1098.
HD 110113 b0.01430.1832.5410.0351,371transit346.50.995,730Radius gap planet, host star also known as TOI-755
HD 110113 c0.03306.7440.068990radial vel.346.50.995,730Host star also known as TOI-755.
HD 115954 b8.2937005.00144.9radial vel.1.185957
HD 124330 b0.75270.660.86radial vel.1981.155,873Additional giant planet is suspected
HD 136925 b0.844,5405.13radial vel.156.25715Additional planet suspected
HD 137496 b0.01270.1171.621160.027322130transit5091.0355799
HD 137496 c7.66479.91.2163370radial vel.5091.0355799
HD 150010 b2.45621.1radial vel.473.41.34256Red giant host star
HD 152843 b0.03640.30411.62640.1053transit352.01.156,310
HD 152843 c0.08650.52124.38transit352.01.156,310
HD 155193 b0.75352.651.04radial vel.1861.2216,239
HD 156668 c0.0991811.31.570radial vel.79.340.7724,850Additional body in system is suspected
HD 161178 b0.57279.30.85radial vel.3511.064786
HD 164922 e0.033141.7630.2293radial vel.71.690.8745,293
HD 168009 b0.030015.14790.1192radial vel.75.970.995,792
HD 174205 b4.25821.7radial vel.7691.84393Red giant host star
HD 183579 b0.06200.31717.4712780.1334769transit186.11.0315,788Host star also known as TOI-1055
HD 191939 e>0.3531101.120.4007390radial vel.175.10.925400Also suspected brown dwarf on wider orbit
HD 207897 b0.04530.22316.2021590.1163632.2transit92.150.805,070
HD 211403 b5.54223.80.768380radial vel.1.206,273
HD 213472 b3.4816,70013.0radial vel.210.6
HD 219139 b0.78275.50.94radial vel.3451.464831
HD 331093 b1.50621.621.44radial vel.164.071.0305,544
HIP 5763b0.5130.0140.170radial vel.104.170.72
HIP 34222b0.83160.00.492radial vel.74.550.62
HIP 56640 b7.12574.93.73radial vel.400.41.044769Red giant host star also known as HD100939b
HIP 86221b0.712.2240.031radial vel.960.79
HIP 90988 b2.102455.738161.26radial vel.307.61.304884Gas giant orbiting a red giant host star also known as HD 170707
HIP 97166b0.06290.24510.288910.089757transit215.540.8985,198
HIP 97166c9.916.840.124642radial vel.215.540.8985,198
K2-99c8.4522.21.43390radial vel.19801.65990
K2-268d0.1334.528598888transit1,0790.845,106Two more planets were previously known; host star also known as EPIC 211413752.
K2-268e0.1196.131243801transit1,0790.845,106Two more planets were previously known; host star also known as EPIC 211413752.
K2-268f0.19926.270570492transit1,0790.845,106Two more planets were previously known; host star also known as EPIC 211413752.
K2-185c0.21352.713494477transit8820.965,788Host star also known as EPIC 211611158.
K2-304c0.2035.213965866transit1,3800.835,171Host star also known as EPIC 212297394.
K2-307c0.20723.228555658transit1,0500.996,004Host star also known as EPIC 212587672.
Kepler-129d8.326464.0radial vel.1,3491.185,770
Kepler-1704b4.151.065988.881132.026253.8transit2,6901.1315,745Very eccentric orbit,
KIC 5479689 b0.51.701531orbital brightness modulation1,5040.9665459.1
KIC 8121913 b2.13.294601orbital brightness modulation23501.4565075.3
KIC 10068024 b2.02.073549orbital brightness modulation3,6001.226,118.4
KMT-2016-BLG-2605b0.80.68microlensing21,0000.065
KMT-2017-BLG-2509b2.092.14microlensing23,0000.46
KMT-2018-BLG-1025Lb0.01911.305microlensing22,0000.219Multiple solutions for orbital parameters
KMT-2018-BLG-17430.2451.449microlensing21,0000.193Multiple orbital solutions, binary host star
KMT-2018-BLG-1976Lb1.962.04microlensing19,0000.65
KMT-2018-BLG-1996Lb1.221.97microlensing19,0000.69
KMT-2018-BLG-1988Lb0.0212.83microlensing140000.48Multiple solutions for orbital parameters
KMT-2019-BLG-0371b7.700.79microlensing2,30000.09Multiple solutions for orbital separation
KMT-2019-BLG-0253b0.0293.1microlensing16,0000.70
KMT-2019-BLG-17152.563.32microlensing13,0000.61Multiple solutions for orbital separation, also 0.15 red dwarf in the system.
KMT-2020-BLG-0414Lb0.00320.15microlensing3,3000.3Also a brown dwarf with mass 17 in the system at 15 AU separation
KMT-2021-BLG-0912Lb0.0223.03microlensing220000.75Multiple solutions for orbital parameters
KOI-5Ab0.1790.635transit1,8701.135861Also called TOI-1241b.
KOI-984b0.05440.3844.28817850.05041022transit7490.9285295Another planet in system on poorly constrained orbit
KOI-4777b0.0460.4120000.00801180transit5650.413515
Lalande 21185 c0.056831903.1radial vel.8.310.3903,601
Lambda Serpentis b0.042815.50830.1238radial vel.38.871.145,884
LHS 1478 b0.00730.1111.94953780.01848595transit59.400.2363,381Host star also known as TOI-1640 or G 245-61.
LHS 1678 b0.00020.0620.86023220.01251transit64.880.3453490
LHS 1678 c0.00120.0883.6942470.0331transit64.880.3453490
LTT 1445 Ac0.00480.1033.123900.02661transit22.410.2563337
L 98-59 e0.009412.80.071342radial vel.34.60.323500
L 98-59 f0.007823.20.103285radial vel.34.60.323500Unconfirmed, potentially habitable exoplanet
NGTS-13b4.841.1424.120.05491,605transit21501.305,819
NGTS-14Ab0.0920.4443.53571730.04031,143transit1,0600.8985,187
NGTS-15b0.7511.103.276230.04411,146transit2,5800.9955,600
NGTS-16b0.6671.304.845320.05231,177transit2,9101.0025,550
NGTS-17b0.7641.243.242530.03911,457transit3,4201.0255,650
NGTS-18b0.4091.213.051250.04481,381transit3,6101.0035,610
OGLE-2014-BLG-0319Lb0.573.49microlensing250000.52
OGLE-2014-BLG-0676Lb3.684.53microlensing87000.73
OGLE-2017-BLG-1099b3.022.73microlensing24,0000.45
OGLE-2018-BLG-0383L b0.02011.8microlensing250000.10
OGLE-2018-BLG-05060.0513.0microlensing18,0000.63
OGLE-2018-BLG-05160.0632.2microlensing7,0000.47
OGLE-2018-BLG-0567Lb0.322.72microlensing23,0000.24
OGLE-2018-BLG-0962Lb1.373.57microlensing21,0000.55
OGLE-2018-BLG-09770.0202.0microlensing7,0000.47
OGLE-2018-BLG-1428Lb0.773.30microlensing20,0000.43
OGLE-2019-BLG-0299b6.222.80microlensing19,0000.59
OGLE-2019-BLG-0468Lb3.433.29microlensing140000.92Multiple solutions for orbital parameters
OGLE-2019-BLG-0468Lc10.222.77microlensing140000.92Multiple solutions for orbital parameters
OGLE-2019-BLG-0954Lb14.22.65microlensing12,0000.80
OGLE-2019-BLG-0960Lb0.00711.75microlensing2,9000.45Smallest planet discovered by microlensing
OGLE-2019-BLG-1053Lb0.00783.4microlensing22,0000.61
OGLE-2019-BLG-10586.836microlensing8,000Multiple solutions, rogue planet
OGLE-2018-BLG-1185b0.0261.54microlensing24,0000.37Multiple solutions for planet and star masses.
OGLE-2019-BLG-14920.1172.7microlensing18,0000.68
RR Caeli c2.714,2009.7timing69.100.18+0.443,100+7,540Circumbinary planet around red and white dwarfs
TIC 172900988 b2.841.009196.5transit7991.24 and 1.206050 and 5983Circumbinary planet
TIC 257060897b0.671.493.6600280.0511,762transit1,6551.326,128
TOI-178b0.00470.1021.9145580.026071,040transit205.160.6504,316
TOI-178c0.0150.1493.2384500.0370873transit205.160.6504,316
TOI-178d0.00940.2296.5577000.0592690transit205.160.6504,316
TOI-178e0.01210.1979.9618810.0783600transit205.160.6504,316
TOI-178f0.02420.20415.2319150.1039521transit205.160.6504,316
TOI-178g0.01230.25620.709500.1275470transit205.160.6504,316
TOI-220 b0.04340.27110.6952640.08911805transit2900.8255,298Additional long-period planet suspected
TOI-269 b0.02770.2473.6977230.0345531transit186.010.39173,514
TOI-431 b0.00970.00140.4900470.01131,862transit106.370.784,850Host star lso known as CD-26 2288 or HIP 26013.
TOI-431 c0.00894.84940.0052867radial vel.106.370.784,850Host star also known as CD-26 2288 or HIP 26013.
TOI-431 d0.03120.29412.461030.098633transit106.370.784,850Host star lso known as CD-26 2288 or HIP 26013.
TOI 451 b0.17321.8587010.02711,524transit405.10.945,550Planets orbiting primary of wide binary system. Host star also known as CD-38 1467.
TOI 451 c0.27419.1925230.0771903transit405.10.945,550Planets orbiting primary of wide binary system. Host star also known as CD-38 1467.
TOI 451 d0.359816.3649810.1255708transit405.10.945,550Planets orbiting primary of wide binary system Host star also known as CD-38 1467.
TOI-530b0.400.836.3875970.052565transit4820.533,659
TOI-532b0.19350.5202.32665080.0296867transit439.10.6393927Neptunian desert planet
TOI-558b3.611.08614.5740710.12911,061transit1,3121.3496,466
TOI-559b6.011.0916.98390950.07231,180transit7611.0265,925
TOI-628 b6.331.0603.40956750.048601,586transit5821.3116,250Host star also known as HD 288842
TOI-640 b0.881.7715.00377750.066081,749transit1,1151.5366,460
TOI-674b0.07390.4701.9771430.0231661transit150.860.4423,505Possibly steam atmosphere
TOI-712 b0.01760.1839.5313610.07928650.0transit191.20.7324622
TOI-712 c0.02740.24151.699060.2447369.9transit191.20.7324622
TOI-712 d0.02360.22184.839600.3405313.6transit191.20.7324622
TOI-942 b0.3474.324210.04866transit493.90.8220
TOI-942 c0.41710.1562720.08598transit493.90.8220
TOI 1062 b0.03200.2024.114120.0521,077transit268.70.945,328
TOI 1062 c0.02947.9780.080859radial vel.268.70.945,328
TOI-1201 b0.01980.2162.49198630.0287703transit122.770.5123,476Belongs to the Hyades, also red dwarf in the system.
TOI 1227 b0.85427.363970.0886transit329.30.1703,072
TOI-1231 b0.04850.32624.2455860.1288330transit89.680.4853,553
TOI-1238b0.01830.1080.7645960.01391133transit2030.440.594089
TOI-1238c0.02620.1883.2947330.037695transit2030.440.594089
TOI-1259Ab0.4411.0223.47797800.04070936transit3850.684,775Also white dwarf on a wide orbit
TOI-1260 b0.02710.2083.127480.0366860transit239.50.664,227
TOI-1260 c0.03730.2527.493250.0656643transit239.50.664,227
TOI-1296b0.2981.2313.94437150.04971,562transit1,0231.175,603
TOI-1298b0.3560.8414.5371640.05901,388transit1,0411.445,889
2.371.3964.7202190.06261,679transit6531.4646,274Host star also known as BD+47 3521A.
TOI-1431 b3.141.512.650220.0472,370transit4881.907,690Also known as MASCARA-5b
TOI-1444 b0.01220.1250.47026940.1288330transit408.90.9345,430
TOI-1478 b0.8471.06110.1802490.0903918transit4980.9465,595
TOI-1518 b2.31.8751.9026030.03893,237transit7421.797,300
TOI-1601 b0.991.2395.3317510.068641,619transit1,0961.5175,948
TOI-1634 b0.03130.1580.98934570.01491921transit114.400.4523,472
TOI-1685 b0.01210.1310.66914250.011561,052transit122.680.4953,434Host star also known as UCAC4 666-026266
TOI-1685 c0.02909.025449.1radial vel.122.680.4953,434Unconfirmed
TOI-1749 b0.0600.1242.3888210.0291831transit324.80.583,985
TOI-1749 c0.0070.1894.4890100.0443673transit324.80.583,985
TOI-1749 d0.0140.2259.044550.0707533transit324.80.583,985
TOI-1789 b0.701.403.2086660.048731,929transit7291.4995,984
0.00710.1650.5493720.01351499transit133.880.7504757Star is co-moving with TOI-2076
TOI-1842b0.2141.049.57390.01001transit7291.466230
TOI-2076 b0.29310.355660.0631870transit136.700.8505187Star is co-moving with TOI-1807
TOI-2076 c0.39621.015380.0885734transit136.700.8505187Star is co-moving with TOI-1807
TOI-2076 d0.37025.08930.1138648transit136.700.8505187Star is co-moving with TOI-1807
TOI-2109b5.021.3470.672474140.017913631transit8461.4476530
TOI-2184 b0.651.0176.90683transit2,5151.535,966
TOI-2202 b0.9271.0111.91080.0956transit7700.8235,144
TOI-2202 c0.19124.75450.1558timing7700.8235,144
TOI-2257 b0.19635.1893460.145256transit188.50.333430Habitable zone planet
TOI-2285b0.15527.269550.1363284transit138.340.4543,491
TOI-2406b0.02860.2633.07668960.0228447transit181.40.1623,100
TOI-3362b5.0291.14218.095470.153transit1,1981.4456,532High eccentricity orbit
Upsilon Leonis b0.51385.21.18radial vel.177.81.484836

Former candidate

YSES 2 b had been thought to be a planet after the discovery by direct imaging. Later analysis in 2025 showed that it is a background M-dwarf star instead.