List of exoplanets observed during Kepler's K2 mission

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

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]