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List of exoplanets observed during Kepler's K2 mission

(Redirected from K2-9b)

This is a list of exoplanets observed during the Kepler space telescope's K2 mission.


On 31 March 2022, K2-2016-BLG-0005Lb was reported to be the most distant exoplanet found by Kepler to date.[1][2]

List

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Table keys
  Planet type
Planet discovered prior to K2 mission
Additional non transiting planet discovered during radial velocity follow up
Potentially habitable planet
None of the above
Planet Disc­overy method Mass
(MJ) 		Radius
(RJ) 		Density
(g/cm3) 		Equilibrium Temperature
(K) 		Orbital period
(days) 		Semimajor axis
(AU) 		Orbital eccentricity Properties of the parent star Year of discovery Ref.
App. mag. Distance
(ly) 		Spec­tral type Host star mass
(M☉) 		Host star temp.
(K)

Earth (for reference) 0.00315 0.0892 5.515 255 365.2563 1 0.0167 −26.74 0 G2 V 1 5772 — [3]
WASP-28b (K2-1b) Transit 0.907 1.213 0.676 1468 3.4088300 0.04469 12.03 1,300 F8 1.021 6150 2014 [4]
HIP 116454 b (K2-2b) Transit 0.037 0.226 4.17 690 9.1205 0.0906 0.205 10.190 180 K1 1.021 6150 2014 [5]
K2-3b Transit 0.0255 0.194 4.5 463 10.05449 0.0769 12.17 M0 V 0.60 3896 2015 [6]
K2-3c Transit 0.0066 0.165 1.82 344 24.64354 0.1399 12.17 M0 V 0.60 3896 2015 [7]
K2-3d Transit 0.0236 0.135 11.7 282 44.55983 0.2076 0.045 12.17 M0 V 0.60 3896 2015 [8]
K2-4b Transit 0.187 563 10.003417 0.078 14.907 0.63 4014 2015 [9]
K2-5b Transit 0.170 565 5.73594 0.0532 14.91 K7.5 V 0.61 3930 2015 [10]
K2-5c Transit 0.202 456 10.93241 0.0818 14.91 K7.5 V 0.61 3930 2015 [11]
K2-6b Transit 0.223 615 30.94191 0.1898 12.654 0.970 5850 2015 [12]
K2-7b Transit 0.238 651 28.67992 0.1814 13.213 0.970 5772 2015 [13]
K2-8b Transit 0.319 631 10.35239 0.0856 14.61 K3 V 0.78 4870 2015 [14]
K2-8c Transit 0.215 801 5.06416 0.0532 14.61 K3 V 0.78 4870 2015 [15]
K2-9b Transit 0.201 314 18.4498 0.0910 15.63 M2.5 V 0.30 3390 2015 [16]
K2-10b Transit 0.085 0.343 2.6 703 19.3044 0.1370 0.31 12.418 0.92 5620 2015 [17]
K2-11b Transit 0.6736 734 39.93767 0.2257 13.386 1.35 5433 2015 [18]
K2-12b Transit 0.208 1003 8.28212 0.0802 12.258 1.01 5800 2015 [19]
K2-13b Transit 0.169 511 39.91488 0.2114 12.901 0.80 5698 2015 [20]
K2-14b Transit 0.429 488 8.36802 0.0627 0.14 16.310 0.47 3789 2015 [21]
K2-15b Transit 0.221 676 11.81040 0.0910 14.663 0.72 5131 2015 [22]
K2-16b Transit 0.180 658 7.61880 0.0667 14.67 K3 V 0.68 4742 2015 [23]
K2-16c Transit 0.227 485 19.07863 0.1229 14.67 K3 V 0.68 4742 2015 [24]
K2-17b Transit 0.199 487 17.96753 0.1190 13.519 0.71 4320 2015 [25]
K2-18b Transit 0.0250 0.212 3.3 235 32.93963 0.143 <0.43 13.496 110 M2.5 V 0.359 3457 2015 [26]
K2-18c Radial velocity 0.0236 363 8.962 0.060 <0.47 13.496 110 M2.5 V 0.359 3457 2017 [27]
K2-19b Transit 0.0897 0.691 0.334 854 7.91940 0.0740 13.00 G9 V 0.93 5430 2015 [28]
K2-19c Transit 0.0805 0.434 1.18 745 11.90715 0.0971 13.00 G9 V 0.93 5430 2015 [29]
K2-19d Transit 0.102 1252 2.50856 0.0344 13.00 G9 V 0.93 5430 2016 [30]
HAT-P-56b (K2-20b) Transit 2.18 1.466 0.86 1840 2.7908327 0.04230 <0.246 10.908 F8 1.296 6566 2015 [31]
K2-21b Transit 0.164 500 9.325038 0.076 12.85 M0.0 0.68 4222 2015 [32]
K2-21c Transit 0.222 420 15.501920 0.107 12.85 M0.0 0.68 4222 2015 [33]
K2-22b Transit <1.4 <0.22 2100 0.381078 0.0088 15.597 M0 V 0.60 3830 2015 [34]
WASP-47b (K2-23b) Transit 1.13 1.139 0.940 1275 4.1591409 0.051 <0.026 11.986 200 1.11 5576 2012 [35]
WASP-47c (K2-23c) Radial velocity ≥1.24 247 572 1.36 0.13 11.986 200 1.11 5576 2015 [36]
WASP-47d (K2-23d) Transit 0.0327 0.321 1.2 9.03079 0.0850 11.986 200 1.11 5576 2015 [37]
WASP-47e (K2-23e) Transit 0.0384 0.1621 11.2 0.789518 0.01673 11.986 200 1.11 5576 2015 [38]
K2-24b Transit 0.0661 0.507 0.63 709 20.88508 0.1542 11.07 G9 V 1.12 5743 2016 [39]
K2-24c Transit 0.0850 0.698 0.31 606 42.36342 0.2471 11.07 G9 V 1.12 5743 2016 [40]
K2-25b Transit 0.306 3.484552 15.881 M4.5 0.294 3180 2015 [41]
K2-26b [ru] Transit 0.238 430 14.5665 0.09620 14.53 M1.0 V 0.56 3785 2016 [42]
K2-27b Transit 0.0972 0.400 1.87 902 6.771315 0.06702 0.251 12.64 0.866 5248 2016 [43]
K2-28b Transit 0.207 568 2.260455 0.0214 16.061 M4 0.257 3214 2016 [44]
WASP-152b (K2-29b) Transit 0.73 1.19 0.53 1171 3.2588321 0.04217 0.066 12.526 G7 V 0.94 5358 2016 [45]
K2-30b Transit 0.579 1.039 0.640 1092 4.098503 0.04839 <0.08 13.530 G6 V 0.900 5425 2016 [46]
K2-31b Transit 1.774 1.06 1.257850 0.0220 10.775 G7 V 0.91 5280 2016 [47]
K2-32b Transit 0.0519 0.458 0.67 817 8.99213 0.08036 12.31 G9 V 0.856 5275 2016 [48]
K2-32c Transit <0.0381 0.269 <2.7 619 20.6602 0.1399 12.31 G9 V 0.856 5275 2016 [49]
K2-32d Transit 0.0324 0.306 1.38 537 31.7154 0.1862 12.31 G9 V 0.856 5275 2016 [50]
K2-33b Transit <3.7 0.450 850 5.424865 0.0409 15.714 M3.3 0.56 3540 2016 [51]
K2-34b Transit 1.773 1.44 0.800 1715 2.995610 0.0465 <0.022 11.548 F9 V 0.640 6132 2016 [52]
K2-35b Transit 0.172 979 5.608352 0.055 14.35 K4 V 0.70 4402 2016 [53]
K2-35c Transit 0.118 2.399964 0.031 14.35 K4 V 0.70 4402 2016 [54]
K2-36b Transit 0.118 1232 1.42266 0.0230 11.80 K2 V 0.80 4924 2016 [55]
K2-36c Transit 0.250 793 5.34059 0.0555 11.80 K2 V 0.80 4924 2016 [56]
K2-37b Transit 0.144 974 4.44117 0.0511 12.52 G3 V 0.90 5413 2016 [57]
K2-37c Transit 0.245 861 6.42904 0.0654 12.52 G3 V 0.90 5413 2016 [58]
K2-37d Transit 0.244 663 14.09189 0.1103 12.52 G3 V 0.90 5413 2016 [59]
K2-38b Transit 0.0378 0.138 17.5 1184 4.01593 0.0506 11.39 631 G2 V 2.24 5757 2016 [60]
K2-38c Transit 0.0311 0.216 3.6 858 10.56103 0.0964 11.39 G2 V 2.24 5757 2016 [61]
K2-39b [ru] Transit 0.125 0.509 1.17 1356 4.60497 0.0574 0.152 10.83 0.660 4881 2016 [62]
WASP-75b (K2-40b) Transit 1.07 1.270 0.69 2.484193 0.0375 <0.056 11.45 260 F9 1.14 6100 2013 [63]
WASP-157b (K2-41b) Transit 0.576 0.998 ~1190 3.951623 0.0499 0.0 12.9 1100 G2 V 1.06 5772 2016 [64]
K2-42b Transit 0.192 6.68796 0.0617 1309 0.7 4613 2016 [65]
K2-43b Transit 0.402 3.471149 0,0.201 15.6 600 K7 V 0.57 3841 2016 [66]
K2-43c Transit 0.216 2.198884 0.0148 15.6 600 K7 V 0.57 3841 2019 [67]
K2-58b Transit 0.231 7.052475 0.0692 12.415 593 K2 V 0.857 5134 2016 [68]
K2-58c Transit 0.0185 2.537071 0.0350 12.415 593 K2 V 0.857 5134 2016 [69]
K2-58d Transit 0.0199 22.881590 0.1517 12.415 593 K2 V 0.857 5134 2016 [70]
K2-80d Transit 0.228 28.8673 0.1778 658.7 2018
K2-111b Transit 0.0271 0.17 680 0.89 5730 2017
K2-111c Radial velocity 0.0356 15.6785 0.1166 680 0.89 5730 2020
K2-138b Transit 12.21 597 K1 V 0.93 5378 2018
K2-138c Transit 12.21 597 K1 V 0.93 5378 2018
K2-138d Transit 12.21 597 K1 V 0.93 5378 2018
K2-138e Transit 12.21 597 K1 V 0.93 5378 2018
K2-138f Transit 12.21 597 K1 V 0.93 5378 2018
K2-138g Transit 0.249? 41.97 12.21 597 K1 V 0.93 5378 2018
K2-141b Transit 2018
HATS-36b (K2-145b) Transit 2.79 1.235 2.12 1356 4.17524 0.0529 14.386 G0 V 2017
K2-146b Transit 2018
K2-147b Transit 0.123 0.961917 0.0159 296.1 2018
K2-148b Transit 674 2018
K2-155d Transit 0.015 0.146 289 40.6835 0.1937 low 200 2018
K2-187b Transit 0.773981 0.016322 12.864 1090 G 0.966999 5477 2018
K2-187c Transit 2.871788 0.0391185 12.864 1090 G 0.966999 5477 2018
K2-187d Transit 7.149079 0.0718533 12.864 1090 G 0.966999 5477 2018
K2-187e Transit 13.608341 0.11036 12.864 1090 G 0.966999 5477 2018
K2-229b Transit 2018
K2-236b Transit 2017
K2-239b Transit 14.549 101.5 M3 V 0.4 3420 2018
K2-239c Transit 0.0028 0.089 427 7.775 0.0576 14.549 101.5 M3 V 0.4 3420 2018
K2-239d Transit 399 14.549 101.5 M3 V 0.4 3420 2018
K2-288Bb Transit 0.17 226.36 31.393463 0.164 0.33 2019
K2-315b Transit 0.085 460 3.1443189 0.0234 17.67 185 M3.5 V 0.174 3300 2020 [71]

References

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