K2ミッションで発見された太陽系外惑星の一覧
発見した惑星の一覧 > 一覧

| 主星 | EPIC | 距離 （pc） | 惑星 | 質量> （MJ） | 質量> （M⊕） | 半径> （RJ） | 半径> （R⊕） | 公転周期 （日） | 軌道長半径 （au） | 離心率 | 軌道傾斜角 （°） | 平衡温度 （K） | 発見年 | その他 出典 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| K2-1 | 246375295 | 410 | b | 0.907 | 288.3 | 1.213 | 13.6 | 3.40883 | 0.04469 | 0.046 | 88.61 | 1468 | 2010 |  |
| K2-2A | 246445793 | 55.2 | b | 0.0372 | 11.824 | 0.226 | 2.53 | 9.1265 | 0.098 | 0.205 | 88.43 | 690 | 2014 |  |
| K2-3 | 201367065 | 45 | b | 0.02039 | 6.481 | 0.194 | 2.17 | 10.054626 | 0.0775 | 0 | 89.588 | 463 | 2015 |  |
| K2-3 | 201367065 | 45 | c | 0.00673 | 2.139 | 0.165 | 1.85 | 24.646582 | 0.1405 | 0 | 89.905 | 344 | 2015 |  |
| K2-3 | 201367065 | 45 | d | 0.00881 | 2.8 | 0.135 | 1.51 | 44.55646 | 0.2086 | 0 | 89.788 | 282 | 2015 |  |
| K2-4 | 201208431 | 233.37 | b |  |  | 0.187 | 2.1 | 10.003417 | 0.078 | 0.08 | 89.54 |  | 2015 |  |
| K2-5 | 201338508 | 204.12 | b |  |  | 0.17 | 1.9 | 5.73594 | 0.0532 |  | 87.35 | 565 | 2015 |  |
| K2-5 | 201338508 | 204.12 | c |  |  | 0.202 | 2.26 | 10.93241 | 0.0818 |  | 86.95 | 456 | 2015 |  |
| K2-6 | 201384232 | 319.59 | b |  |  | 0.223 | 2.5 | 30.94191 | 0.1898 |  |  | 615 | 2015 |  |
| K2-7 | 201393098 | 754.64 | b |  |  | 0.238 | 2.67 | 28.67992 | 0.1814 |  |  | 651 | 2015 |  |
| K2-8 | 201445392 | 407.93 | b |  |  | 0.319 | 3.58 | 10.35239 | 0.0856 |  | 86.42 | 631 | 2015 |  |
| K2-8 | 201445392 | 407.93 | c |  |  | 0.215 | 2.41 | 5.06416 | 0.0532 |  | 86.7 | 801 | 2016 |  |
| K2-9 | 201465501 | 83.16 | b |  |  | 0.201 | 2.25 | 18.4498 | 0.091 |  | 87.983 | 314 | 2015 |  |
| K2-10 | 201577035 | 274.48 | b | 0.08495 | 26.999 | 0.343 | 3.84 | 19.3044 |  | 0.31 | 88.5 |  | 2015 |  |
| K2-11 | 201596316 | 332.46 | b |  |  | 0.674 | 7.55 | 39.93767 | 0.2257 |  |  | 734 | 2015 |  |
| K2-12 | 201613023 | 329.36 | b |  |  | 0.208 | 2.33 | 8.28212 | 0.0802 |  |  | 1003 | 2015 |  |
| K2-13 | 201629650 | 345.76 | b |  |  | 0.169 | 1.89 | 39.91488 | 0.2114 |  |  | 511 | 2015 |  |
| K2-14 | 201635569 | 367.72 | b |  |  | 0.429 | 4.81 | 8.36802 | 0.0627 |  |  | 488 | 2015 |  |
| K2-15 | 201736247 | 501.03 | b |  |  | 0.221 | 2.48 | 11.8104 | 0.091 |  |  | 676 | 2015 |  |
| K2-16 | 201754305 | 338.19 | b |  |  | 0.18 | 2 | 7.6188 | 0.0667 |  | 87.97 | 658 | 2015 |  |
| K2-16 | 201754305 | 338.19 | c |  |  | 0.227 | 2.54 | 19.07863 | 0.1229 |  | 87.83 | 485 | 2015 |  |
| K2-16 | 201754305 | 338.19 | d |  |  | 0.092 | 1.03 | 2.71578 |  |  |  |  | 2019 |  |
| K2-17 | 201855371 | 125.56 | b |  |  | 0.199 | 2.23 | 17.96753 | 0.119 |  |  | 487 | 2015 |  |
| K2-18 | 201912552 | 38.07 | b | 0.02807 | 8.921 | 0.211 | 2.37 | 32.939623 | 0.1429 | 0.2 | 89.5785 | 284 | 2015 |  |
| K2-18 | 201912552 | 38.07 | c* | >0.02363 | >7.51 |  |  | 8.962 | 0.06 | 0.47 |  | 363 | 2017 |  |
| K2-19 | 201505350 | 292.14 | b | 0.1019 | 32.4 | 0.691 | 7.75 | 7.9194 | 0.074 | 0.2 | 89.47 | 854 | 2015 |  |
| K2-19 | 201505350 | 292.14 | c | 0.034 | 10.8 | 0.434 | 4.86 | 11.90715 | 0.0971 | 0.21 | 87.99 | 745 | 2015 |  |
| K2-19 | 201505350 | 292.14 | d | 0.031 | 10 | 0.102 | 1.14 | 2.50856 | 0.0344 |  | 85.83 | 1252 | 2016 |  |
| K2-20 | 202126852 | 323.5 | b | 2.31 | 734.183 | 1.51 | 16.9 | 2.79083 | 0.0423 | 0.246 | 82.13 | 1840 | 2015 |  |
| K2-21 | 206011691 | 83.85 | b |  |  | 0.164 | 1.84 | 9.325038 | 0.076 | 0.1 | 88.98 |  | 2015 |  |
| K2-21 | 206011691 | 83.85 | c |  |  | 0.222 | 2.49 | 15.50192 | 0.107 | 0.21 | 88.85 |  | 2015 |  |
| K2-22A | 201637175 | 245.53 | b | <1.4 | <445 | <0.223 | <2.5 | 0.381078 | 0.0088 |  |  | 2100 | 2015 |  |
| K2-23 | 206103150 | 266.69 | b | 1.14243 | 363.096 | 1.127 | 12.63 | 4.1591289 | 0.052 | 0.0028 | 88.98 | 1275 | 2012 |  |
| K2-23 | 206103150 | 266.69 | c* | 1.31 | 417 |  |  | 596 | 1.41 | 0.28 | 87 | 247 | 2015 |  |
| K2-23 | 206103150 | 266.69 | d | 0.04122 | 13.101 | 0.319 | 3.58 | 9.03077 | 0.088 | 0.014 | 89.32 |  | 2015 |  |
| K2-23 | 206103150 | 266.69 | e | 0.02149 | 6.83 | 0.161 | 1.8 | 0.789592 | 0.0173 | 0.03 | 85.98 |  | 2015 |  |
| K2-24 | 203771098 | 171.39 | b | 0.05978 | 19 | 0.482 | 5.4 | 20.88977 | 0.154 | 0.06 | 89.25 | 709 | 2016 |  |
| K2-24 | 203771098 | 171.39 | c | 0.04845 | 15.399 | 0.669 | 7.5 | 42.3391 | 0.247 | 0.07 | 89.76 | 560 | 2016 |  |
| K2-25 | 210490365 | 45.01 | b | 0.0771 | 24.5 | 0.306 | 3.43 | 3.484552 |  | 0.27 | 88.3 | 345.7 | 2015 |  |
| K2-26 | 202083828 | 99.33 | b |  |  | 0.238 | 2.67 | 14.5665 | 0.0962 |  | 88.4 | 430 | 2016 |  |
| K2-27B | 201546283 | 251.43 | b | 0.09722 | 30.899 | 0.4 | 4 | 6.771315 | 0.06702 | 0.251 | 88.4 | 902 | 2016 |  |
| K2-28 | 206318379 | 63.11 | b |  |  | 0.207 | 2.32 | 2.260455 | 0.0214 | 0 | 88.9 | 568 | 2016 |  |
| K2-29A | 211089792 | 179.39 | b | 0.73 | 232.015 | 1.19 | 13.3 | 3.2588321 | 0.04217 | 0.066 | 86.656 | 1171 | 2016 |  |
| K2-30 | 210957318 | 336.26 | b | 0.579 | 184.022 | 1.039 | 11.65 | 4.098503 | 0.04839 | 0 | 86.92 | 1092 | 2016 |  |
| K2-31A | 204129699 |  | b | 1.774 | 563.8 | 1.06 | 11.9 | 1.25785 | 0.022 | 0 | 79.9 |  | 2016 |  |
| K2-32A | 205071984 | 158.39 | b | 0.047 | 15 | 0.443 | 4.97 | 8.991828 | 0.08035 | 0.03 | 89 | 837 | 2016 |  |
| K2-32A | 205071984 | 158.39 | c | 0.0255 | 8.1 | 0.244 | 2.73 | 20.66186 | 0.1399 | 0.049 | 89.4 | 634 | 2016 |  |
| K2-32A | 205071984 | 158.39 | d | 0.0211 | 6.7 | 0.292 | 3.27 | 31.7142 | 0.1862 | 0.05 | 89.4 | 550 | 2016 |  |
| K2-32A | 205071984 | 158.39 | e | 0.0066 | 2.1 | 0.09 | 1 | 4.34882 | 0.04951 | 0.043 | 89 | 1066 | 2019 |  |
| K2-33 | 205117205 | 139.8 | b | <3.7 | <1175.964 | 0.45 | 5 | 5.424865 | 0.0409 | 0 | 89.1 |  | 2016 |  |
| K2-34 | 212110888 | 352.34 | b | 1.78 | 565 | 1.245 | 13.96 | 2.995633 | 0.0426 | 0 | 82.06 | 1559 | 2016 |  |
| K2-35 | 201549860 | 254.43 | b |  |  | 0.118 | 1.32 | 2.399964 | 0.031 | 0.13 | 88.98 |  | 2016 |  |
| K2-35 | 201549860 | 254.43 | c |  |  | 0.172 | 1.93 | 5.608352 | 0.055 | 0.12 | 88.58 |  | 2016 |  |
| K2-36B | 201713348 | 110.09 | b | 0.01227 | 3.9 | 0.128 | 1.43 | 1.422614 | 0.0223 | 0 | 84.45 | 1224 | 2016 |  |
| K2-36B | 201713348 | 110.09 | c | 0.02454 | 7.8 | 0.2783 | 3.12 | 5.3410507 | 0.054 | 0 | 86.917 | 788 | 2016 |  |
| K2-37 | 203826436 | 180.86 | b |  |  | 0.144 | 1.61 | 4.44117 | 0.0511 |  | 87.28 | 974 | 2016 |  |
| K2-37 | 203826436 | 180.86 | c |  |  | 0.245 | 2.75 | 6.42904 | 0.0654 |  | 87.37 | 861 | 2016 |  |
| K2-37 | 203826436 | 180.86 | d |  |  | 0.244 | 2.73 | 14.09189 | 0.1103 |  | 88.34 | 663 | 2016 |  |
| K2-38 | 204221263 | 193.71 | b | 0.06 | 19.07 | 0.17 | 1.9 | 4.01593 | 0.04994 | 0.197 | 87.28 | 1266 | 2016 |  |
| K2-38 | 204221263 | 193.71 | c | 0.03115 | 9.9 | 0.216 | 2.42 | 10.56103 | 0.0964 | 0.161 | 88.61 | 858 | 2016 |  |
| K2-39 | 206247743 | 310.14 | b | 0.09 | 28.605 | 0.56 | 6.3 | 4.60543 | 0.062 | 0 | 80.39 |  | 2016 |  |
| K2-40A | 206154641 | 260 | b | 1.07 | 340 | 1.27 | 14.2 | 2.484193 | 0.0375 | 0 | 82 | 1710 | 2013 |  |
| K2-41 | 212697709 | 337.71 | b | 0.576 | 183.1 | 0.998 | 11.19 | 3.951623 | 0.0499 | 0 | 85.19 |  | 2016 |  |
| K2-42 | 201155177 | 401.36 | b |  |  | 0.192 | 2.15 | 6.68796 | 0.0617 |  |  |  | 2016 |  |
| K2-43 | 201205469 | 183.48 | b |  |  | 0.402 | 4.51 | 3.471149 | 0.0201 |  | 89.6 | 939 | 2016 |  |
| K2-43 | 201205469 | 183.48 | c |  |  | 0.216 | 2.42 | 2.198884 | 0.0148 |  | 89.26 | 1094 | 2019 |  |
| K2-44 | 201295312 | 483.19 | b | 0.0379 | 12.04 | 0.245 | 2.75 | 5.65639 |  | 0.12 | 86.6 |  | 2016 |  |
| K2-45 | 201345483 | 502.34 | b |  |  | 0.599 | 6.71 | 1.7292684 | 0.0224 |  |  |  | 2016 |  |
| K2-46 | 201403446 | 454.93 | b |  |  | 0.183 | 2.05 | 19.1541 | 0.13821 |  |  |  | 2016 |  |
| K2-47 | 201647718 | 353.38 | b |  |  | 0.169 | 1.89 | 31.6372 | 0.1779 |  |  |  | 2016 |  |
| K2-48 | 201677835 | 316.61 | b |  |  | 0.2 | 2 | 20.5065 | 0.1344 |  |  |  | 2016 |  |
| K2-49 | 201690311 | 463.06 | b |  |  | 0.172 | 1.93 | 2.77065 | 0.0309 |  |  |  | 2016 |  |
| K2-50 | 201833600 | 259.33 | b |  |  | 0.142 | 1.59 | 8.7529 | 0.0705 |  |  |  | 2016 |  |
| K2-50 | 201833600 | 259.33 | c |  |  | 0.089 | 1 | 3.96151 |  |  |  |  | 2019 |  |
| K2-52 | 203776696 | 1041.7 | b | 0.4046 | 128.6 | 1.606 | 18 | 3.535055 | 0.054 |  | 86.46 | 2004 | 2016 |  |
| K2-53 | 204890128 | 139.1 | b | 0.0289 | 9.2 | 0.232 | 2.6 | 12.20772 | 0.098 |  | 89.32 | 665 | 2016 |  |
| K2-54B | 205916793 | 175.84 | b |  |  | 0.103 | 1.15 | 9.7843 | 0.0671 |  |  |  | 2016 |  |
| K2-55 | 205924614 | 160.26 | b | 0.138 | 44 | 0.341 | 3.82 | 2.849258 | 0.03486 | 0.124 | 88 | 900 | 2016 |  |
| K2-56 | 210848071 | 180.39 | b | 0.07 | 22.248 | 0.23 | 2.6 | 41.6855 | 0.241 | 0 | 89.55 | 386 | 2016 |  |
| K2-57 | 206026136 | 266.23 | b |  |  | 0.187 | 2.1 | 9.0063 | 0.0746 |  |  |  | 2016 |  |
| K2-58 | 206026904 | 182.69 | b |  |  | 0.239 | 2.68 | 7.05254 | 0.0692 |  |  |  | 2016 |  |
| K2-58 | 206026904 | 182.69 | c |  |  | 0.145 | 1.63 | 2.53726 | 0.035 |  |  |  | 2016 |  |
| K2-58 | 206026904 | 182.69 | d |  |  | 0.153 | 1.71 | 22.8827 | 0.1517 |  |  |  | 2016 |  |
| K2-59 | 206027655 | 314.09 | b |  |  | 0.215 | 2.41 | 20.6921 | 0.1354 |  |  |  | 2016 |  |
| K2-59 | 206027655 | 314.09 | c |  |  | 0.205 | 2.3 | 11.2954 | 0.0905 |  |  |  | 2016 |  |
| K2-60 | 206038483 | 498.7 | b | 0.426 | 135.4 | 0.683 | 7.66 | 3.00265 | 0.045 | 0 | 88.49 | 1400 | 2016 |  |
| K2-61 | 206044803 | 410.35 | b |  |  | 0.221 | 2.48 | 2.57302 | 0.0392 |  |  |  | 2016 |  |
| K2-62 | 206096602 | 112.83 | b |  |  | 0.191 | 2.14 | 6.67202 | 0.0636 |  |  |  | 2016 |  |
| K2-62 | 206096602 | 112.83 | c |  |  | 0.191 | 2.14 | 16.1966 | 0.1148 |  |  |  | 2016 |  |
| K2-63 | 206101302 | 524.41 | b |  |  | 0.287 | 3.22 | 20.257 | 0.1627 |  |  |  | 2016 |  |
| K2-63 | 206101302 | 524.41 | c |  |  | 0.348 | 3.9 | 25.4556 | 0.189 |  |  |  | 2016 |  |
| K2-64 | 206125618 | 506.87 | b |  |  | 0.185 | 2.07 | 6.53044 | 0.0619 |  |  |  | 2016 |  |
| K2-65 | 206144956 | 78.06 | b |  |  | 0.141 | 1.58 | 12.6475 | 0.1014 |  |  |  | 2016 |  |
| K2-66 | 206153219 | 520.43 | b | 0.06702 | 21.301 | 0.222 | 2.49 | 5.06963 | 0.05983 | 0 | 86.6 | 1372 | 2016 |  |
| K2-68 | 206159027 | 169.47 | b |  |  | 0.141 | 1.58 | 8.05428 | 0.0708 |  |  |  | 2016 |  |
| K2-69 | 206162305 | 181.63 | b |  |  | 0.207 | 2.32 | 7.06599 | 0.0591 |  |  |  | 2016 |  |
| K2-70 | 206181769 | 234.47 | b |  |  | 0.258 | 2.89 | 13.97896 | 0.1112 |  |  |  | 2016 |  |
| K2-71 | 206192813 | 153.86 | b |  |  | 0.192 | 2.15 | 6.98541 | 0.0559 |  |  |  | 2016 |  |
| K2-72 | 206209135 | 66.56 | b |  |  | 0.096 | 1.08 | 5.577212 | 0.04 | 0.11 | 89.15 |  | 2016 |  |
| K2-72 | 206209135 | 66.56 | c |  |  | 0.103 | 1.15 | 15.189034 | 0.078 | 0.11 | 89.54 |  | 2016 |  |
| K2-72 | 206209135 | 66.56 | d |  |  | 0.09 | 1 | 7.760178 | 0.05 | 0.11 | 89.26 |  | 2016 |  |
| K2-72 | 206209135 | 66.56 | e |  |  | 0.115 | 1.29 | 24.158868 | 0.106 | 0.11 | 89.68 |  | 2016 |  |
| K2-73 | 206245553 | 271.27 | b |  |  | 0.219 | 2.45 | 7.49543 | 0.07619 |  |  |  | 2016 |  |
| K2-74 | 206268299 | 381.85 | b |  |  | 0.206 | 2.31 | 19.5666 | 0.1402 |  |  |  | 2016 |  |
| K2-75 | 206348688 | 570.86 | b |  |  | 0.238 | 2.67 | 7.8142 | 0.081 |  |  |  | 2016 |  |
| K2-75 | 206348688 | 570.86 | c |  |  | 0.247 | 2.77 | 18.311 | 0.1429 |  |  |  | 2016 |  |
| K2-77 | 210363145 | 142.31 | b | <1.9 | <603.873 | 0.205 | 2.3 | 8.199796 |  | 0.14 | 88.7 |  | 2016 |  |
| K2-79 | 210402237 | 257.9 | b | 0.0371 | 11.8 | 0.3649 | 4.09 | 10.99475 | 0.0987 | 0.078 |  | 1021 | 2016 |  |
| K2-80 | 210403955 | 201.96 | b |  |  | 0.179 | 2.01 | 19.0918 | 0.135 |  |  |  | 2016 |  |
| K2-80 | 210403955 | 201.96 | c |  |  | 0.131 | 1.47 | 5.605 | 0.0596 |  |  |  | 2016 |  |
| K2-80 | 210403955 | 201.96 | d |  |  | 0.228 | 2.56 | 28.867253 |  |  | 89.397 |  | 2018 |  |
| K2-81 | 210448987 | 254.14 | b |  |  | 0.176 | 1.97 | 6.102325 | 0.059 | 0.06 | 89.29 |  | 2016 |  |
| K2-83 | 210508766 | 125.98 | b |  |  | 0.111 | 1.24 | 2.74697 | 0.03014 |  |  |  | 2016 |  |
| K2-83 | 210508766 | 125.98 | c |  |  | 0.132 | 1.48 | 9.99767 | 0.07131 |  |  |  | 2016 |  |
| K2-84 | 210577548 | 287.23 | b |  |  | 0.215 | 2.41 | 6.4215 | 0.0665 |  |  |  | 2016 |  |
| K2-84 | 210577548 | 287.23 | c |  |  | 0.181 | 2.03 | 27.86 | 0.1768 |  |  |  | 2016 |  |
| K2-85 | 210707130 | 97.49 | b |  |  | 0.09 | 1 | 0.684533 | 0.01263 |  |  |  | 2016 |  |
| K2-86 | 210718708 | 260.61 | b |  |  | 0.175 | 1.96 | 8.77683 | 0.077 |  |  |  | 2016 |  |
| K2-87 | 210731500 | 503.6 | b | 0.1192 | 37.9 | 0.678 | 7.6 | 9.726618 | 0.094 |  | 87.74 | 979 | 2016 |  |
| K2-88 | 210750726 | 110.91 | b |  |  | 0.11 | 1.2 | 4.6122 | 0.0345 |  |  |  | 2016 |  |
| K2-89 | 210838726 | 86.25 | b |  |  | 0.055 | 0.62 | 1.096026 | 0.01462 |  |  |  | 2016 |  |
| K2-90 | 210968143 | 134.9 | b | 0.028 | 9 | 0.232 | 2.6 | 13.733314 | 0.096 |  | 89.24 | 502 | 2016 |  |
| K2-90 | 210968143 | 134.9 | c |  |  | 0.116 | 1.3 | 2.900706 | 0.035 | 0.19 | 86.94 |  | 2016 |  |
| K2-91 | 211077024 | 62.69 | b |  |  | 0.098 | 1.1 | 1.419549 | 0.0164 |  |  |  | 2016 |  |
| K2-93 | 211311380 | 116 | b |  |  | 0.26 | 2.9 | 15.5712 |  |  | 88.4 |  | 2016 |  |
| K2-93 | 211311380 | 116 | c |  |  | 0.228 | 2.56 | 31.6978 |  |  | 89.58 |  | 2016 |  |
| K2-93 | 211311380 | 116 | d |  |  | 0.353 | 3.96 | 156 |  |  |  |  | 2016 |  |
| K2-93 | 211311380 | 116 | e |  |  | 0.4916 | 5.51 | 131 |  |  |  |  | 2016 |  |
| K2-93 | 211311380 | 116 | f |  |  | 0.91 | 10.2 | 324 |  |  |  |  | 2016 |  |
| K2-93 | 211311380 | 116 | g* | >0.022 | >6.99 |  |  | 62.06 | 0.3227 | 0.06 |  | 605 | 2019 |  |
| K2-94A | 201862715 |  | b | 1.265 | 402.053 | 1.24 | 13.9 | 2.6556777 | 0.039 | 0 | 89.69 | 1452 | 2016 |  |
| K2-95 | 211916756 | 180.63 | b | <1.67 | <531 | 0.346 | 3.88 | 10.134016 | 0.0696 | 0.16 | 89.25 | 383 | 2016 |  |
| K2-96 | 220383386 | 47.36 | b | 0.0158 | 5.02 | 0.152 | 1.7 | 0.959624 | 0.0186 |  | 83.4 | 1669 | 2016 |  |
| K2-96 | 220383386 | 47.36 | c | 0.0308 | 9.79 | 0.255 | 2.86 | 29.83832 | 0.1841 | 0.267 | 89.5 | 531 | 2016 |  |
| K2-96 | 220383386 | 47.36 | d* | >0.0217 | >6.8969 |  |  | 8.492 | 0.07757 | 0.36 |  |  | 2017 |  |
| K2-96 | 220383386 | 47.36 | e* | >0.0306 | >9.74 |  |  | 102.09 | 0.4048 | 0.60 |  | 374.8 | 2022 |  |
| K2-97 | 211351816 | 869.76 | b | 1.1 | 350 | 0.947 | 10.61 | 8.406726 | 0.086 |  |  | 1499 | 2016 |  |
| K2-98 | 211391664 | 526.31 | b | 0.101 | 32.1 | 0.464 | 5.2 | 10.136448 | 0.0974 |  | 89 | 1092 | 2016 |  |