2021年发现的系外行星列表

这是2021年发现的系外行星列表。仅由径向速度发现的太陽系外行星，记载的质量为其下限。

  名称
  质量（）
  半径（）
  轨道周期（天）
  半长轴（AU）
  温度（K）
  发现方式
  距离（ly）
  主星质量（）
  主星温度（K）
  注释0.1740629.542550.1759凌日2110.8535,720.00.0920.4443.53571730.04031,143凌日1,0600.8985,187TOI-1259Ab0.4411.0223.47797800.04070936凌日3850.684,7754.841.1424.120.05491,605凌日21501.305,8196.331.0603.40956750.048601,586凌日5821.3116,250主星又名HD 2888420.881.7715.00377750.066081,749凌日1,1151.5366,4602.371.3964.7202190.06261,679凌日6531.4646,274主星又名BD+47 3521A0.8471.06110.1802490.0903918凌日4980.9465,5950.991.2395.3317510.068641,619凌日1,0961.5175,9480.00711.75微重力透镜2,9000.45用微重力透镜法发现的最小行星0.01430.1832.5410.0351,371凌日346.50.995,730主星又名TOI-7550.03306.7440.068990径向速度346.50.995,730主星又名TOI-7550.1790.635凌日1,8701.135861又名 TOI-1241bTOI-178b0.00470.1021.9145580.026071,040凌日205.160.6504,3160.0150.1493.2384500.0370873凌日205.160.6504,316TOI-178d0.00940.2296.5577000.0592690凌日205.160.6504,316 TOI-178e0.01210.1979.9618810.0783600凌日205.160.6504,316TOI-178f0.02420.20415.2319150.1039521凌日205.160.6504,316 TOI-178g0.01230.25620.709500.1275470凌日205.160.6504,316 HD 183579 b0.06200.31717.4712780.1334769凌日186.11.0315,788主星又名TOI-1055KMT-2019-BLG-0371b7.700.79微重力透镜2,30000.09HD 5278 b0.02450.21914.3391560.1202943凌日183.11.1266,203主星又名TOI-130 HD 5278 c0.05790.24160.1202943径向速度183.11.1266,203主星又名TOI-130 KMT-2018-BLG-1025Lb0.01911.305微重力透镜22,0000.219  格利泽1151b0.00792.020.01735径向速度26.230.1543,143TOI-558b3.611.08614.5740710.12911,061凌日1,3121.3496,466TOI-559b6.011.0916.98390950.07231,180凌日7611.0265,9250.062-0.1570.3011-0.6386影像4.37图像在南门二附近HD 13808 b0.034614.20.11径向速度92.20.7715,0352011年成为候选系外行星，2021年正式确认HD 13808 c0.031553.80.26径向速度92.20.7715,0352011年成为候选系外行星，2021年正式确认TOI 451 b0.17321.8587010.02711,524凌日405.10.945,550 主星又名CD-38 1467TOI 451 c0.27419.1925230.0771903凌日405.10.945,550 主星又名CD-38 1467TOI 451 d0.359816.3649810.1255708凌日405.10.945,550 主星又名CD-38 1467.HD 110082 b0.285710.182710.113凌日342.81.216,200主星又名TOI-1098.OGLE-2018-BLG-0567Lb0.322.72微重力透镜23,0000.24OGLE-2018-BLG-0962Lb1.373.57微重力透镜21,0000.55Gliese 740 b0.00932.377560.029829径向速度36.210.583,913OGLE-2018-BLG-1428Lb0.773.30微重力透镜20,0000.43LHS 1478 b0.00730.1111.94953780.01848595凌日59.400.2363,381 主星又名TOI-1640或G 245-61.TOI-1685 b0.01210.1310.66914250.011561,052凌日122.680.4953,434 主星又名UCAC4 666-026266TOI-1685 c0.02909.025449.1径向速度122.680.4953,434未证实KMT-2020-BLG-0414Lb0.00320.15微重力透镜3,3000.3距离主星15AU处有一质量17  的棕矮星HD 39474 b0.421.00852.978180.30759凌日372.51.3166,394主星又名TOI-201格利泽486b0.00890.1171.4671190.01734701凌日26.3440.3233,340可能有可测量的大气层NGTS-15b0.7511.103.276230.04411,146凌日2,5800.9955,600NGTS-16b0.6671.304.845320.05231,177凌日2,9101.0025,550NGTS-17b0.7641.243.242530.03911,457凌日3,4201.0255,650NGTS-18b0.4091.213.051250.04481,381凌日3,6101.0035,610OGLE-2019-BLG-1053Lb0.00783.4微重力透镜22,0000.61TOI-1634 b0.03130.1580.98934570.01491921凌日114.400.4523,472KMT-2019-BLG-17152.563.32微重力透镜13,0000.61星系内有一质量为0.15 的红矮星OGLE-2018-BLG-1185b0.0261.54微重力透镜24,0000.37行星质量可能有多种情况TOI-1260 b0.02710.2083.127480.0366860凌日239.50.664,227TOI-1260 c0.03730.2527.493250.0656643凌日239.50.664,227KMT-2018-BLG-1976Lb1.962.04微重力透镜19,0000.65KMT-2018-BLG-1996Lb1.221.97微重力透镜19,0000.69OGLE-2019-BLG-0954Lb14.22.65微重力透镜12,0000.806.3115影像356.41.104,749KMT-2016-BLG-2605b0.80.68微重力透镜21,0000.065TOI-1431 b3.141.512.650220.0472,370凌日4881.907,690又名MASCARA-5bTOI-269 b0.02770.2473.6977230.0345531凌日186.010.39173,514TOI-220 b0.04340.27110.6952640.08911805凌日2900.8255,298TOI 1062 b0.03200.2024.114120.0521,077凌日268.70.945,328TOI 1062 c0.02947.9780.080859径向速度268.70.945,328Kepler-129d8.326464.0径向速度1,3491.185,770Gliese 9689 b0.030418.270.1139453径向速度100.100.593,836TOI-1231 b0.04850.32624.2455860.1288330凌日89.680.4853,553TIC 172900988 b2.841.009196.5凌日7991.24 and 1.206050 and 5983TOI-1444 b0.01220.1250.47026940.1288330凌日408.90.9345,430BD+45 0564 b1.36307.880.83径向速度1740.815,004BD+55 0362 b0.72265.590.78径向速度1680.9095,012BD+63 1405 b3.961,198.482.06径向速度124.40.825,000HD 124330 b0.75270.660.86径向速度1981.155,873HD 155193 b0.75352.651.04径向速度1861.2216,239HD 331093 b1.50621.621.44径向速度164.071.0305,544HD 107148 c0.062618.32670.1406径向速度161.41.15,789HD 136925 b0.844,5405.13径向速度156.25715蜀增一b0.042815.50830.1238径向速度38.871.145,884HD 156668 c0.0991811.31.570径向速度79.340.7724,850HD 164922 e0.033141.7630.2293径向速度71.690.8745,293HD 168009 b0.030015.14790.1192径向速度75.970.995,792HD 213472 b3.4816,70013.0径向速度210.6HD 24040 c0.201515.41.3径向速度152.31.145,917HD 26161 b13.532,00020.4径向速度133.6HD 3765 b0.1731,2112.108径向速度78.5HD 66428 c2739,00023.0径向速度174.11.095,77315.016,10013.2径向速度198.81.165,9192006年成为候选系外行星拉蘭德21185c0.056831903.1径向速度8.310.3903,601G 264-12 b0.00792.305380.02279587径向速度52.140.2973,326G 264-12 c0.01188.05180.0525387径向速度52.140.2973,326Gliese 393 b0.00547.026790.05402485径向速度22.9560.4263,579TOI-674b0.07390.4701.9771430.0231661凌日150.860.4423,505可能有大气层0.03640.30411.62640.1053凌日352.01.156,3100.08650.52124.38凌日352.01.156,310KMT-2019-BLG-0253b0.0293.1微重力透镜16,0000.70OGLE-2018-BLG-05060.0513.0微重力透镜18,0000.63OGLE-2018-BLG-05160.0632.2微重力透镜7,0000.47OGLE-2019-BLG-14920.1172.7微重力透镜18,0000.68OGLE-2018-BLG-09770.0202.0微重力透镜7,0000.47TOI-1789 b0.701.403.2086660.048731,929凌日7291.4995,984TOI-942 b0.3474.324210.04866凌日493.90.8220TOI-942 c0.41710.1562720.08598凌日493.90.8220KMT-2018-BLG-17430.2451.449微重力透镜21,0000.193轨道有多种可能，主星为双星系统TOI-1749 b0.0600.1242.3888210.0291831凌日324.80.583,985TOI-1749 c0.0070.1894.4890100.0443673凌日324.80.583,985TOI-1749 d0.0140.2259.044550.0707533凌日324.80.583,985HD 27969 b4.80654.51.552261径向速度1.165,966HD 80869 b4.861711.72.878203.2径向速度1.085,837轨道偏心率极高HD 95544 b6.8421723.386156.5径向速度1.095,722HD 109286 b2.99520.11.259259.4径向速度0.985,694HD 115954 b8.2937005.00144.9径向速度1.185,957HD 211403 b5.54223.80.768380径向速度1.206,2734.151.065988.881132.026253.8凌日2,6901.1315,745高轨道偏心率（e=0.921）TOI-532b0.19350.5202.32665080.0296867凌日439.10.6393,927海王星沙漠行星TOI-2406b0.02860.2633.07668960.0228447凌日181.40.1623,100KIC 8121913 b2.13.294601轨道反射23501.4565,975.3KIC 10068024 b2.02.073549轨道反射3,6001.226,118.4KIC 5479689 b0.51.701531轨道反射1,5040.9665,459.1LTT 1445 Ac0.00480.1033.123900.02661凌日22.410.2563,337Luyten 98-59 e0.009412.80.071±350径向速度34.60.323,500Luyten 98-59 f0.007823.20.103径向速度34.60.323,500未确认，可能处于宜居带0.34101.40.397397径向速度175.10.925,400OGLE-2019-BLG-10586.836微重力透镜8,000星际行星TOI-2184 b0.651.0176.90683凌日2,5151.535,966TOI-431 b0.00970.00140.4900470.01131,862凌日106.370.784,850主星又名CD-26 2288或HIP 26013TOI-431 c0.00894.84940.0052867径向速度106.370.784,850主星又名CD-26 2288或HIP 26013.TOI-431 d0.03120.29412.461030.098633凌日106.370.784,850主星又名CD-26 2288或HIP 26013.TOI-2202 b0.9271.0111.91080.0956凌日7700.8235,144TOI-2202 c0.19124.75450.1558计时7700.8235,144EPIC 211314705.010.1393.793306543凌日300.00.433,669 星系内可能还存在两个行星EPIC 211401787.010.24713.774798969凌日5251.236,232 主星又名BD+12 1842K2-268f0.19926.270570492凌日1,0790.845,106主星又名EPIC 211413752.K2-268d0.1334.528598888凌日1,0790.845,106主星又名EPIC 211413752K2-268e0.1196.131243801凌日1,0790.845,106主星又名EPIC 211413752EPIC 211502222.010.24322.996591673凌日6941.105,994EPIC 211502222.020.1609.398977909凌日6941.105,994EPIC 211579112.010.19617.706320266凌日4030.273,315K2-185c0.21352.713494477凌日8820.965,788主星又名EPIC 211611158EPIC 211647930.010.55214.759287826凌日1,1331.065,880EPIC 211730024.010.5045.1139811,380凌日1,2261.366,502EPIC 211743874.010.19712.283211949凌日1,8501.236,222EPIC 211763214.010.10921.194733569凌日7860.865,424EPIC 211770696.010.23416.273563850凌日1,3900.945,869EPIC 211779390.010.0923.850614783凌日5140.664,558EPIC 211897691.020.17119.507428508凌日1,1870.744,857EPIC 211923431.010.30029.740451606凌日2,4600.935,532EPIC 211978988.010.28736.552551598凌日1,3900.985,817TOI-1518 b2.31.8751.9026030.03893,237凌日7421.797,300EPIC 212058012.010.18111.561052861凌日6841.015,920EPIC 212072539.010.1807.676972465凌日5450.493,804EPIC 212072539.020.1472.787174653凌日5450.493,804EPIC 212081533.010.1423.355850722凌日245.80.514,374EPIC 212088059.010.18810.367437437凌日5320.563,779EPIC 212132195.010.20226.201446450凌日345.50.714,801EPIC 212161956.010.2157.187257640凌日10550.664,599EPIC 212204403.010.2914.688418908凌日6620.835,077EPIC 212204403.020.23812.550171655凌日6620.835,077K2-304c0.2035.213965866凌日1,3800.835,171主星又名EPIC 212297394EPIC 212420823.010.1239.032178518凌日1,4500.544,385EPIC 212440430.020.1384.1638731,158凌日1,6200.985,789EPIC 212543933.010.2277.806164934凌日1,3101.025,769K2-307c0.20723.228555658凌日1,0500.996,004主星又名EPIC 212587672EPIC 251319382.010.1718.234885885凌日5770.955,791EPIC 251319382.020.19914.871387727凌日5770.955,791EPIC 251319382.030.1223.6659121,160凌日5770.955,791EPIC 251554286.010.49615.466805735凌日8830.875,6980.01755.09071 ± 0.000260.0510573径向速度44.370.6844,385主星又名HD 22496EPIC 211525753.010.2015.73856470.06321,066凌日0.965,790EPIC 211537087.010.20421.02673660.1599624凌日0.905,568EPIC 211730267.010.33216.34886370.1450735凌日0.985,794EPIC 211914998.010.23911.25102850.0863888凌日0.935,650TOI-3362b5.0291.14218.095470.153凌日1,1981.4456,532高轨道偏心率KMT-2017-BLG-2509b2.092.14微重力透镜23,0000.46OGLE-2017-BLG-1099b3.022.73微重力透镜24,0000.45OGLE-2019-BLG-0299b6.222.80微重力透镜19,0000.59TOI-1296b0.2981.2313.94437150.04971,562凌日1,0231.175,603TOI-1298b0.3560.8414.5371640.05901,388凌日1,0411.445,889TOI-1201 b0.01980.2162.49198630.0287703凌日122.770.5123,476属于毕宿星团, 2.714,2009.7计时69.100.18+0.443,100+7,5400.671.493.6600280.0511,762凌日1,6551.326,128TOI-530b0.400.836.3875970.052565凌日4820.533,659HIP 97166b0.06290.24510.288910.089757凌日215.540.8985,198HIP 97166c9.916.840.124642径向速度215.540.8985,198HD 63935 b0.03400.2679.058811911凌日159.360.9335,534HD 63935 c0.03490.25921.4023684凌日159.360.9335,534HD 207897 b0.04530.22316.2021590.1163632.2凌日92.150.805,0702MASS J04372171+2651014 b41151,450影像417.90.1653,100TOI 1227 b0.85427.363970.0886凌日329.30.1703,072TOI-2285b0.15527.269550.1363284凌日138.340.4543,491LHS 1678 b0.00020.0620.86023220.01251凌日64.880.3453490LHS 1678 c0.00120.0883.6942470.0331凌日64.880.3453490HD 73583 b0.03150.2536.39804180.0601721凌日103.080.714511主星又名TOI-560HD 73583 c0.03020.21218.87970.1236503凌日103.080.714511主星又名TOI-560TOI-1807 b0.1650.5493720.008122100凌日133.880.7504757恒星与TOI-2076一起运动TOI-2076 b0.29310.355660.0631870凌日136.700.8505187恒星与TOI-1807一起运动TOI-2076 c0.39621.015380.0885734凌日136.700.8505187TOI-2076 d0.37025.08930.1138648凌日136.700.8505187恒星与TOI-1807一起运动TOI-2257 b0.19635.1893460.145256凌日188.50.333430处于宜居带TOI-712 b0.01760.1839.5313610.07928650.0凌日191.20.7324622TOI-712 c0.02740.24151.699060.2447369.9凌日191.20.7324622TOI-712 d0.02360.22184.839600.3405313.6凌日191.20.7324622OGLE-2019-BLG-0468Lb3.433.29微重力透镜140000.92轨道参数多变OGLE-2019-BLG-0468Lc10.222.77微重力透镜140000.92轨道参数多变KMT-2021-BLG-0912Lb0.0223.03微重力透镜220000.75轨道参数多变HD 137496 b0.01270.1171.621160.027322130凌日5091.0355799HD 137496 c7.66479.91.2163370径向速度5091.0355799HD 19615 b8.54021.1径向速度8721.13987主星为红巨星HD 150010 b2.45621.1径向速度473.41.34256主星为红巨星HD 174205 b4.25821.7径向速度7691.84393主星为红巨星KMT-2018-BLG-1988Lb0.0212.83微重力透镜140000.48轨道参数多变KOI-984b0.05440.3844.28817850.05041022凌日7490.9285295TOI-2109b5.021.3470.672474140.017913631凌日8461.4476530TOI-1238b0.01830.1080.7645960.01391133凌日2030.440.594089TOI-1238c0.02620.1883.2947330.037695凌日2030.440.594089K2-99c8.4522.21.43390径向速度19801.65990HIP 5763b0.5130.0140.170径向速度104.170.72HIP 34222b0.83160.00.492径向速度74.550.62HIP 86221b0.712.2240.031径向速度960.79TOI-1842b0.2141.049.57390.01001凌日7291.4662300.00170.0640.3219620.00711745凌日30.6950.453522HATS-74Ab1.461.0321.731856060.02384895.1凌日9520.6013775主星又名TOI-737HATS-75b0.4910.8842.78865560.032742772.3凌日6400.60173812主星又名TOI-552HATS-76b2.6291.0791.94164230.02658939.8凌日12720.6623990主星又名TOI-555HATS-77b1.3741.1653.08762620.03607828.3凌日14400.6554082主星又名TOI-730KOI-4777b0.0460.4120000.00801180凌日5650.413515151.3116621303影像146.651.04993主星很年轻，年龄约为1亿年HD 129116 b10.9200000556影像3258HD 360 b0.75273.10.98径向速度3621.694770外屏二b0.77255.30.88径向速度183.21.414824系外行星候选，未确认HD 10975 b0.45283.80.95径向速度3791.414840HD 79181 b0.64273.10.90径向速度3371.284862HD 99183 b0.97310.41.08径向速度3551.764886獅子座υb0.51385.21.18径向速度177.81.484836HD 161178 b0.57279.30.85径向速度3511.064786HD 219139 b0.78275.50.94径向速度3451.464831霹雳二b1.34555.11.32径向速度1380.994742OGLE-2014-BLG-0676Lb3.684.53微重力透镜87000.73HD 103891 b1.4419193.27径向速度179.01.286072HD 105779 b0.6424123.38径向速度179.70.895792HD 73583b0.2536.39806610.05995742.7凌日102.970.7014574主星又名TOI 560HD 73583c0.243318.88050.1233517.8凌日102.970.7014574主星又名TOI 560OGLE-2014-BLG-0319Lb0.573.49微重力透镜250000.52OGLE-2018-BLG-0383L b0.02011.8微重力透镜250000.10

 参考 

2021
Category:2021年相關列表