2021年に発見された太陽系外惑星の一覧
一覧 > 一覧 > 確認された惑星

| 惑星> 惑星名 | 惑星> 質量 （MJ） | 惑星> 半径 （RJ） | 惑星> 公転周期 （日） | 惑星> 軌道長半径 （au） | 惑星> 離心率 | 惑星> 軌道傾斜角 （°） | 惑星> 表面温度 （K） | 惑星> 発見 方法 | 主星> 主星名 | 主星> 星座 | 主星> 距離 （pc） | 出典 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2M0437b | 4 |  |  | 118 |  |  | 1450 | I | 2M0437 | おうし座 | 128.1 |  |
| BD+450564 b | >1.36 |  | 307.88 | 0.83 | 0.12 |  |  | RV | BD+450564 |  | 53.7 |  |
| BD+550362 b | >0.72 |  | 265.59 | 0.78 | 0.27 |  |  | RV | BD+550362 |  | 52.65 |  |
| BD+631405 b | >3.96 |  | 1198.48 | 2.06 | 0.88 |  |  | RV | BD+631405 |  | 38.09 |  |
| COCONUTS-2b | 6.4 | 1.12 |  | 6471 |  |  | 433 | I | COCONUTS-2 | カメレオン座 | 10.89 |  |
| G 264-012 b | >0.0079 |  | 2.30538 | 0.02279 |  |  | 587 | RV | G 264-012 | ケフェウス座 | 15.986 |  |
| G 264-012 c | >0.0118 |  | 8.0518 | 0.0525 |  |  | 387 | RV | G 264-012 | ケフェウス座 | 15.986 |  |
| GJ 146 b | >0.0175 |  | 5.09071 | 0.0510 |  |  | 573 | RV | GJ 146 | とけい座 | 13.602 |  |
| GJ 367 b （Tahay） | 0.0017 | 0.064 | 0.321962 | 0.0071 | 0 | 80.75 | 1597 | T | GJ 367 （Añañuca） |  | 9.410 |  |
| GJ 393 b | >0.0054 |  | 7.02679 | 0.05402 |  |  | 485 | RV | GJ 393 | ろくぶんぎ座 | 7.0375 |  |
| GJ 486 b （Su） | 0.00887 | 0.11643 | 1.467119 | 0.01734 | 0.05 | 88.4 | 700 | T | GJ 486 （Gar） | おとめ座 | 8.0761 |  |
| GJ 720 Ab | >0.04292 |  | 19.47 | 0.119 | 0.10 |  | 309 | RV | GJ 720 A | こと座 | 15.557 |  |
| GJ 740 b | >0.0093 |  | 2.37756 | 0.029 | 0.24 |  | 829 | RV | GJ 740 | へび座 | 11.1017 |  |
| GJ 9689 b | >0.03036 |  | 18.27 | 0.1139 | 0.29 |  |  | RV | GJ 9689 | わし座 | 30.686 |  |
| HATS-74Ab | 1.46 | 1.032 | 1.73185606 | 0.02384 | <0.044 | 87.39 | 895.1 | T | HATS-74A |  | 286.6 |  |
| HATS-75b | 0.491 | 0.884 | 2.7886556 | 0.032742 | <0.064 | 88.07 | 772.3 | T | HATS-75 |  | 195.3 |  |
| HATS-76b | 2.629 | 1.079 | 1.9416423 | 0.02658 | <0.062 | 88.24 | 939.8 | T | HATS-76 |  | 389.9 |  |
| HATS-77b | 1.374 | 1.165 | 3.0876262 | 0.03607 | <0.045 | 88.44 | 828.3 | T | HATS-77 |  | 413.9 |  |
| HD 360 b | >0.75 |  | 273.1 | 0.98 | 0.139 |  |  | RV | HD 360 | くじら座 |  |  |
| HD 3765 b | >0.173 |  |  | 2.108 | 0.298 |  |  | RV | HD 3765 | アンドロメダ座 |  |  |
| HD 5278 b | 0.02454 | 0.21855 | 14.339156 | 0.1202 | 0.08 | 89.27 | 943 | T | HD 5278 |  | 56.12 |  |
| HD 5278 c | >0.05789 |  | 40.87 | 0.2416 | 0.07 |  |  | RV | HD 5278 |  | 56.12 |  |
| HD 10975 b | >0.45 |  | 283.8 | 0.95 | 0.442 |  |  | RV | HD 10975 | アンドロメダ座 |  |  |
| HD 19615 b | >8.5 |  | 402 | 1.1 | 0.2 |  |  | RV | HD 19615 | カシオペヤ座 |  |  |
| HD 24040 c | >0.201 |  | 515.4 | 1.3 | 0.11 |  |  | RV | HD 24040 | おうし座 | 46.51 |  |
| HD 27969 b | >4.80 |  | 654.5 | 1.552 | 0.182 |  | 261 | RV | HD 27969 | ペルセウス座 |  |  |
| HD 79181 b | >0.64 |  | 273.1 | 0.90 | 0.259 |  |  | RV | HD 79181 | うみへび座 |  |  |
| HD 80869 b | >4.86 |  | 1711.7 | 2.878 | 0.862 |  | 203.2 | RV | HD 80869 | こじし座 |  |  |
| HD 95544 b | >6.84 |  | 2172 | 3.386 | 0.043 |  | 156.5 | RV | HD 95544 | きりん座 |  |  |
| HD 96992 b | >1.14 |  | 514 | 1.24 | 0.41 |  |  | RV | HD 96992 | おおぐま座 | 401.6 |  |
| HD 99283 b | >0.97 |  | 310.4 | 1.08 | 0.200 |  |  | RV | HD 99283 | おおぐま座 |  |  |
| HD 103891 b | >1.44 |  | 1919 | 3.27 | 0.31 |  |  | RV | HD 103891 | おとめ座 | 54.9 |  |
| HD 105779 b | >0.64 |  | 2412 | 3.38 | 0 |  |  | RV | HD 105779 | からす座 | 55.1 |  |
| HD 107148 c | >0.0626 |  | 18.3267 | 0.1406 | 0.34 |  |  | RV | HD 107148 | おとめ座 | 51.3 |  |
| HD 108236 f |  | 0.17406 | 29.54255 | 0.1759 | 0.245 | 88.873 |  | T | HD 108236 | ケンタウルス座 | 64.6 |  |
| HD 109286 b | >2.99 |  | 520.1 | 1.259 | 0.338 |  | 259.4 | RV | HD 109286 | おとめ座 |  |  |
| HD 115954 b | >8.29 |  | 3700 | 5.00 | 0.487 |  | 144.9 | RV | HD 115954 | りょうけん座 |  |  |
| HD 124330 b | >0.75 |  | 270.66 | 0.86 | 0.34 |  |  | RV | HD 124330 | うしかい座 | 60.3 |  |
| HD 129116 (AB) b | 10.9 |  | 1800000 | 556 | <0.40 | 128-157 |  | I | HD 129116 | ケンタウルス座 | 99.7 |  |
| HD 136925 b | >0.84 |  | 4540 | 5.13 | 0.103 |  |  | RV | HD 136925 | へび座 |  |  |
| HD 150010 b | >2.4 |  | 562 | 1.4 | 0.2 |  |  | RV | HD 150010 | りゅう座 |  |  |
| HD 155193 b | >0.75 |  | 352.65 | 1.04 | 0.21 |  |  | RV | HD 155193 | へびつかい座 | 57.9 |  |
| HD 156668 c | >0.0158 |  |  | 0.05025 | 0.235 |  |  | RV | HD 156668 | ヘルクレス座 | 24.5 |  |
| HD 161178 b | >0.57 |  | 279.3 | 0.85 | 0.044 |  |  | RV | HD 161178 | りゅう座 |  |  |
| HD 164922 e | >0.0331 |  | 41.763 | 0.2292 | 0.086 |  |  | RV | HD 164922 | ヘルクレス座 | 22.13 |  |
| HD 168009 b | >0.03 |  | 15.1479 | 0.1192 | 0.121 |  |  | RV | HD 168009 | こと座 |  |  |
| HD 174205 b | >4.2 |  | 582 | 1.7 | 0.4 |  |  | RV | HD 174205 | りゅう座 |  |  |
| HD 183579 b | 0.06198 | 0.31668 | 17.471278 | 0.1334 | <0.28 | 89.33 | 769 | T | HD 183579 |  | 57.06 |  |
| HD 191939 e | >0.3398 |  | 101.5 | 0.397 | 0 | 88.0-89.4 | 397 | RV | HD 191939 | りゅう座 | 53.608 |  |
| HD 191939 f | 2-11 |  | 1700-7200 | 2.6-7.0 | 0 |  |  | RV | HD 191939 | りゅう座 | 53.608 |  |
| HD 211403 b | >5.54 |  | 223.8 | 0.768 | 0.084 |  | 380 | RV | HD 211403 | ケフェウス座 |  |  |
| HD 213472 b | >3.48 |  | 16700 | 13 | 0.53 |  |  | RV | HD 213472 | とかげ座 |  |  |
| HD 219139 b | >0.78 |  | 275.5 | 0.94 | 0.110 |  |  | RV | HD 219139 | ペガスス座 |  |  |
| HD 331093 b | >1.5 |  | 621.62 | 1.44 | 0.59 |  |  | RV | HD 331093 | はくちょう座 | 50.265 |  |
| HIP 5763 b | >0.51 |  | 30.014 | 0.170 | 0.054 |  |  | RV | HIP 5763 | うお座 |  |  |
| HIP 34222 b | >0.83 |  | 159.986 | 0.492 | 0.305 |  |  | RV | HIP 34222 | ふたご座 |  |  |
| HIP 86221 b | >0.71 |  | 2.224 | 0.031 | 0.086 |  |  | RV | HIP 86221 | ヘルクレス座 |  |  |
| K2-99c | >8.4 |  | 522.2 | 1.43 | 0.210 |  | 390 | RV | K2-99 |  | 522.29 |  |
| K2-185c |  | 0.213 | 52.713494 |  |  |  | 477 | T | K2-185 |  | 268.357 |  |
| K2-268d |  | 0.1329 | 4.528598 |  |  |  | 888 | T | K2-268 |  | 327.783 |  |
| K2-268e |  | 0.1186 | 6.131243 |  |  |  | 801 | T | K2-268 |  | 327.783 |  |
| K2-268f |  | 0.1989 | 26.270570 |  |  |  | 492 | T | K2-268 |  | 327.783 |  |
| K2-304c |  | 0.2025 | 5.213965 |  |  |  | 866 | T | K2-304 |  | 418.395 |  |
| K2-307c |  | 0.207 | 23.228555 |  |  |  | 658 | T | K2-307 |  | 320.070 |  |
| K2-330b |  | 0.247 | 13.774798 |  |  |  | 969 | T | K2-330 |  | 160.125 |  |
| K2-331b |  | 0.1597 | 9.398977 |  |  |  | 909 | T | K2-331 |  | 211.430 |  |
| K2-331c |  | 0.2426 | 22.996591 |  |  |  | 673 | T | K2-331 |  | 211.430 |  |
| K2-332b |  | 0.196 | 17.706320 |  |  |  | 266 | T | K2-332 |  | 123.202 |  |
| K2-333b |  | 0.55 | 14.759287 |  |  |  | 826 | T | K2-333 |  | 343.990 |  |
| K2-334b |  | 0.504 | 5.113981 |  |  |  | 1380 | T | K2-334 |  | 371.823 |  |
| K2-335b |  | 0.197 | 12.283211 |  |  |  | 949 | T | K2-335 |  | 557.993 |  |
| K2-336b |  | 0.1088 | 21.194733 |  |  |  | 569 | T | K2-336 |  | 239.289 |  |
| K2-337b |  | 0.2337 | 16.273563 |  |  |  | 850 | T | K2-337 |  | 421.636 |  |
| K2-338b |  | 0.09188 | 3.850614 |  |  |  | 783 | T | K2-338 |  | 156.951 |  |
| K2-339b |  | 0.171 | 19.507428 |  |  |  | 508 | T | K2-339 |  | 360.360 |  |
| K2-340b |  | 0.2997 | 29.740451 |  |  |  | 606 | T | K2-340 |  | 738.136 |  |
| K2-341b |  | 0.286 | 36.552551 |  |  |  | 598 | T | K2-341 |  | 421.408 |  |
| K2-342b |  | 0.181 | 11.561052 |  |  |  | 861 | T | K2-342 |  | 208.357 |  |
| K2-343b |  | 0.147 | 2.787174 |  |  |  | 653 | T | K2-343 |  | 166.169 |  |
| K2-343c |  | 0.18 | 7.676972 |  |  |  | 465 | T | K2-343 |  | 166.169 |  |
| K2-344b |  | 0.1418 | 3.355850 |  |  |  | 722 | T | K2-344 |  | 75.16910 |  |
| K2-345b |  | 0.188 | 10.367437 |  |  |  | 437 | T | K2-345 |  | 162.408 |  |
| K2-346b |  | 0.2016 | 26.201446 |  |  |  | 450 | T | K2-346 |  | 105.580 |  |
| K2-347b |  | 0.215 | 7.187257 |  |  |  | 640 | T | K2-347 |  | 320.336 |  |
| K2-348b |  | 0.2908 | 4.688418 |  |  |  | 908 | T | K2-348 |  | 201.856 |  |
| K2-348c |  | 0.238 | 12.550171 |  |  |  | 655 | T | K2-348 |  | 201.856 |  |
| K2-349b |  | 0.123 | 9.032178 |  |  |  | 518 | T | K2-349 |  | 453.567 |  |
| K2-350b |  | 0.137 | 4.163873 |  |  |  | 1158 | T | K2-350 |  | 489.368 |  |
| K2-350c |  | 0.244 | 19.991944 |  |  |  | 687 | T | K2-350 |  | 489.368 |  |
| K2-351b |  | 0.2266 | 7.806164 |  |  |  | 934 | T | K2-351 |  | 694.734 |  |
| K2-352b |  | 0.1222 | 3.665912 |  |  |  | 1160 | T | K2-352 |  | 176.051 |  |
| K2-352c |  | 0.171 | 8.234885 |  |  |  | 885 | T | K2-352 |  | 176.051 |  |
| K2-352d |  | 0.1989 | 14.871387 |  |  |  | 727 | T | K2-352 |  | 176.051 |  |
| K2-353b |  | 0.495 | 15.466805 |  |  |  | 735 | T | K2-353 |  | 268.515 |  |
| K2-354b |  | 0.139 | 3.793306 |  |  |  | 543 | T | K2-354 |  | 91.7220 |  |
| K2-355b |  | 0.201 | 5.7385647 | 0.0632 |  |  | 1066 | T | K2-355 |  | 500.497 |  |
| K2-356b |  | 0.204 | 21.0267366 | 0.1599 |  |  | 624 | T | K2-356 |  | 355.540 |  |
| K2-357b |  | 0.332 | 16.3488637 | 0.1450 |  |  | 735 | T | K2-357 |  | 517.687 |  |
| K2-358b |  | 0.239 | 11.2510285 | 0.08630 |  |  | 888 | T | K2-358 |  | 480.307 |  |
| K2-364b | 0.0127 | 0.11686 | 1.62116 | 0.02732 | 0 | 85.8 | 2130 | T | K2-364 |  | 156 |  |
| K2-364c | >7.66 |  | 479.9 | 1.2163 | 0.477 |  | 370 | RV | K2-364 |  | 156 |  |
| KIC 5479689 b | >0.5 |  | 1.701531 |  |  |  |  | OBM | KIC 5479689 |  | 454.950 |  |
| KIC 8121913 b | >2.1 |  | 3.294601 |  |  |  |  | OBM | KIC 8121913 |  | 707.303 |  |
| KIC 10068024 b | >2 |  | 2.073549 |  |  |  |  | OBM | KIC 10068024 |  | 721.105 |  |
| KMT-2016-BLG-2605Lb | 0.771 |  |  | 0.681 |  |  |  | M | KMT-2016-BLG-2605L |  | 6421 |  |
| KMT-2017-BLG-2509Lb | 2.09 |  |  | 2.14 |  |  |  | M | KMT-2017-BLG-2509L |  | 7040 |  |
| KMT-2018-BLG-1025Lb | 0.019064 |  |  | 0.65 |  |  |  | M | KMT-2018-BLG-1025L |  | 7450 |  |
| KMT-2018-BLG-1743Lb | 0.925 |  |  | 1.74 |  |  |  | M | KMT-2018-BLG-1743L |  | 6200 |  |
| KMT-2018-BLG-1976Lb | 1.96 |  |  | 2.04 |  |  |  | M | KMT-2018-BLG-1976L |  | 5840 |  |
| KMT-2018-BLG-1988Lb | 0.0213 |  |  | 2.83 |  |  |  | M | KMT-2018-BLG-1988L |  | 4170 |  |
| KMT-2018-BLG-1996Lb | 1.22 |  |  | 1.97 |  |  |  | M | KMT-2018-BLG-1996L |  | 5910 |  |
| KMT-2019-BLG-0253Lb | 0.0289 |  |  | 3.1 |  |  |  | M | KMT-2019-BLG-0253L |  | 4900 |  |
| KMT-2019-BLG-0371Lb | 7.70 |  |  | 0.79 |  |  |  | M | KMT-2019-BLG-0371L |  | 7010 |  |
| KMT-2019-BLG-1715Lb | 2.56 |  |  | 3.32 |  |  |  | M | KMT-2019-BLG-1715L |  | 3860 |  |
| KMT-2020-BLG-0414Lb | 0.00381 |  |  | 1.79 |  |  |  | M | KMT-2020-BLG-0414L |  | 1220 |  |
| KMT-2021-BLG-0912Lb | 0.0218 |  |  | 3.03 |  |  |  | M | KMT-2021-BLG-0912L |  | 6710 |  |
| KOI-5Ab |  | 0.631 | 4.780327766 | 0.0577 |  | 82.51 | 1396 | T | KOI-5A | はくちょう座 |  |  |
| LHS 1478 b | 0.00733 | 0.1106 | 1.9495378 | 0.01848 |  | 87.45 | 595 | T | LHS 1478 |  | 18.21 |  |
| LTT 1445A c | 0.0048 | 0.1023 | 3.1239035 | 0.02661 | <0.223 | 87.43 | 508 | T | LTT 1445A | エリダヌス座 | 6.9 |  |
| MOA-2014-BLG-472Lb | 1.9 |  |  | 0.96 |  |  |  | M | MOA-2014-BLG-472L |  | 7200 |  |
| NGTS-13b | 4.84 | 1.142 | 4.119027 | 0.0549 | 0.086 | 88.7 | 1605 | T | NGTS-13 | ケンタウルス座 | 657 |  |
| NGTS-14Ab | 0.092 | 0.444 | 3.5357173 | 0.0403 | 0 | 86.7 | 1143 | T | NGTS-14A | つる座 | 316.7 |  |
| NGTS-15b | 0.751 | 1.10 | 3.27623 | 0.0441 | 0 |  | 1146 | T | NGTS-15 | エリダヌス座 | 791 |  |
| NGTS-16b | 0.667 | 1.30 | 4.84532 | 0.0523 | 0 |  | 1177 | T | NGTS-16 | ろ座 | 892 |  |
| NGTS-17b | 0.764 | 1.24 | 3.24253 | 0.0391 | 0 |  | 1457 | T | NGTS-17 |  | 1047 |  |
| NGTS-18b | 0.409 | 1.21 | 3.05125 | 0.0448 | 0 |  | 1381 | T | NGTS-18 |  | 1108 |  |
| OGLE-2014-BLG-0319Lb | 0.57 |  |  | 3.49 |  |  |  | M | OGLE-2014-BLG-0319L |  | 7730 |  |
| OGLE-2017-BLG-0114Lb |  |  |  |  |  |  |  | M | OGLE-2017-BLG-0114L |  |  |  |
| OGLE-2017-BLG-1099Lb | 3.02 |  |  | 2.73 |  |  |  | M | OGLE-2017-BLG-1099L |  | 7250 |  |
| OGLE-2018-BLG-0383Lb | 0.0201 |  |  | 1.8 |  |  |  | M | OGLE-2018-BLG-0383L |  | 7700 |  |
| OGLE-2018-BLG-0506Lb | 0.05129 |  |  | 3.0 |  |  |  | M | OGLE-2018-BLG-0506L |  | 5600 |  |
| OGLE-2018-BLG-0516Lb | 0.0632 |  |  | 2.2 |  |  |  | M | OGLE-2018-BLG-0516L |  | 7000 |  |
| OGLE-2018-BLG-0567Lb | 0.32 |  |  | 2.72 |  |  |  | M | OGLE-2018-BLG-0567L |  | 7070 |  |
| OGLE-2018-BLG-0962Lb | 1.37 |  |  | 3.57 |  |  |  | M | OGLE-2018-BLG-0962L |  | 6470 |  |
| OGLE-2018-BLG-0977Lb | 0.0201 |  |  | 2.0 |  |  |  | M | OGLE-2018-BLG-0977L |  | 6500 |  |
| OGLE-2018-BLG-1185Lb | 0.0264 |  |  | 1.537 |  |  |  | M | OGLE-2018-BLG-1185L |  | 7400 |  |
| OGLE-2018-BLG-1428Lb | 0.77 |  |  | 3.3 |  |  |  | M | OGLE-2018-BLG-1428L |  | 6220 |  |
| OGLE-2019-BLG-0299Lb | 6.22 |  |  | 2.80 |  |  |  | M | OGLE-2019-BLG-0299L |  | 5830 |  |
| OGLE-2019-BLG-0468Lb | 3.43 |  |  | 3.29 |  |  |  | M | OGLE-2019-BLG-0468L |  | 4400 |  |
| OGLE-2019-BLG-0468Lc | 10.22 |  |  | 2.77 |  |  |  | M | OGLE-2019-BLG-0468L |  | 4400 |  |
| OGLE-2019-BLG-0960Lb | 0.00708 |  |  | 1.6 |  |  |  | M | OGLE-2019-BLG-0960L |  | 880 |  |
| OGLE-2019-BLG-1053Lb | 0.0078 |  |  | 3.4 |  |  |  | M | OGLE-2019-BLG-1053L |  | 6800 |  |
| OGLE-2019-BLG-1492Lb | 0.1167 |  |  | 2.7 |  |  |  | M | OGLE-2019-BLG-1492L |  | 5600 |  |
| TIC 172900988 (AB) b | 2.84 | 0.9876 | 197 |  | 0.055 |  |  | TM | TIC 172900988 |  | 246.263 |  |
| TOI-175 e | >0.0096 |  | 12.796 | 0.0717 | 0.128 |  | 342 | RV | TOI-175 | とびうお座 | 10.623 |  |
| TOI-178 b | 0.00472 | 0.10278 | 1.914558 | 0.02607 |  | 88.8 | 1040 | T | TOI-178 | ちょうこくしつ座 | 63 |  |
| TOI-178 c | 0.01501 | 0.1489  | 3.23845  | 0.037 |   | 88.4  | 873 | T | TOI-178 | ちょうこくしつ座 | 63  |  |
| TOI-178 d | 0.00947 | 0.22946  | 6.5577  | 0.0592 |   | 88.58  | 690 | T | TOI-178 | ちょうこくしつ座 | 63  |  |
| TOI-178 e | 0.01214 | 0.1969 | 9.961881 | 0.0783 |  | 88.71 | 600 | T | TOI-178 | ちょうこくしつ座 | 63 |  |