🪐

K2-266 c

Exoplanet Records

📊Key Properties

Host Star

K2-266

Discovery

Transit

Year

2018

Period

7.81 day

Radius

0.70 Rearth

Mass

0.29 Mearth

Eq. Temp

664.50 K

🧾Records(1 rows)

Record 1

Transit • 2018 • K2

🪐

▶All Properties

Property	Value	Description
ast_flag	0
cb_flag	0
dec	0.94 deg
decstr	+00d56m14.20s	Dec [sexagesimal]
default_flag	1
disc_facility	K2	Discovery Facility
disc_instrument	Kepler CCD Array	Discovery Instrument
disc_locale	Space	Discovery Locale
disc_pubdate	2018-11	Discovery Publication Date
disc_refname	<a refstr=RODRIGUEZ_ET_AL__2018 href=https://ui.adsabs.harvard.edu/abs/2018AJ....156..245R/abstract target=ref>Rodriguez et al. 2018</a>	Discovery Reference
disc_telescope	0.95 m Kepler Telescope	Discovery Telescope
disc_year	2018
discoverymethod	Transit	Discovery Method
dkin_flag	0
elat	-7.72 deg
elon	159.24 deg
etv_flag	0
gaia_dr2_id	Gaia DR2 3855246074629979264	Gaia DR2 ID
gaia_dr3_id	Gaia DR3 3855246074629979264	Gaia DR3 ID
glat	47.48 deg
glon	245.05 deg
hd_name	—	HD ID
hip_name	—	HIP ID
hostname	K2-266	Host Name
htm20	266358226
ima_flag	0
micro_flag	0
obm_flag	0
pl_bmasse	0.29 Mearth
pl_bmasseerr1	0.17 Mearth
pl_bmasseerr2	-0.17 Mearth
pl_bmasselim	0
pl_bmassestr	0.29±0.17	Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj	9.13e-4 Mjupiter
pl_bmassjerr1	5.35e-4 Mjupiter
pl_bmassjerr2	-5.35e-4 Mjupiter
pl_bmassjlim	0
pl_bmassjstr	0.00091±0.00054	Planet Mass or Mass*sin(i) [Jupiter Mass]
pl_bmassprov	Msin(i)/sin(i)	Planet Mass or Mass*sin(i) Provenance
pl_cmasse	0.29 Mearth
pl_cmasseerr1	0.17 Mearth
pl_cmasseerr2	-0.17 Mearth
pl_cmasselim	0
pl_cmassestr	0.29±0.17	Planet Mass*sin(i)/sin(i) [Earth Mass]
pl_cmassj	9.13e-4 Mjupiter
pl_cmassjerr1	5.35e-4 Mjupiter
pl_cmassjerr2	-5.35e-4 Mjupiter
pl_cmassjlim	0
pl_cmassjstr	0.00091±0.00054	Planet Mass*sin(i)/sin(i) [Jupiter Mass]
pl_controv_flag	0
pl_dens	—
pl_denserr1	—
pl_denserr2	—
pl_denslim	—
pl_densstr	—	Planet Density [g/cm**3]
pl_eqt	664.50 K
pl_eqterr1	8 K
pl_eqterr2	-7.70 K
pl_eqtlim	0
pl_eqtstr	<div><span class="supersubNumber">664.5</span><span class="superscript">+8.0</span><span class="subscript">-7.7</span></div>	Equilibrium Temperature [K]
pl_imppar	0.60
pl_impparerr1	0.14
pl_impparerr2	-0.28
pl_impparlim	0
pl_impparstr	<div><span class="supersubNumber">0.60</span><span class="superscript">+0.14</span><span class="subscript">-0.28</span></div>	Impact Parameter
pl_insol	32.40 Searth
pl_insolerr1	1.60 Searth
pl_insolerr2	-1.50 Searth
pl_insollim	0
pl_insolstr	<div><span class="supersubNumber">32.4</span><span class="superscript">+1.6</span><span class="subscript">-1.5</span></div>	Insolation Flux [Earth Flux]
pl_letter	c	Planet Letter
pl_masse	—
pl_masseerr1	—
pl_masseerr2	—
pl_masselim	—
pl_massestr	—	Planet Mass [Earth Mass]
pl_massj	—
pl_massjerr1	—
pl_massjerr2	—
pl_massjlim	—
pl_massjstr	—	Planet Mass [Jupiter Mass]
pl_msinie	—
pl_msinieerr1	—
pl_msinieerr2	—
pl_msinielim	—
pl_msiniestr	—	Planet Mass*sin(i) [Earth Mass]
pl_msinij	—
pl_msinijerr1	—
pl_msinijerr2	—
pl_msinijlim	—
pl_msinijstr	—	Planet Mass*sin(i) [Jupiter Mass]
pl_name	K2-266 c	Planet Name
pl_ndispec	0
pl_nespec	0
pl_nnotes	1
pl_ntranspec	0
pl_occdep	—
pl_occdeperr1	—
pl_occdeperr2	—
pl_occdeplim	—
pl_occdepstr	—	Occultation Depth [%]
pl_orbeccen	0.04
pl_orbeccenerr1	0.04
pl_orbeccenerr2	-0.03
pl_orbeccenlim	0
pl_orbeccenstr	<div><span class="supersubNumber">0.042</span><span class="superscript">+0.043</span><span class="subscript">-0.030</span></div>	Eccentricity
pl_orbincl	88.28 deg
pl_orbinclerr1	0.81 deg
pl_orbinclerr2	-0.41 deg
pl_orbincllim	0
pl_orbinclstr	<div><span class="supersubNumber">88.28</span><span class="superscript">+0.81</span><span class="subscript">-0.41</span></div>	Inclination [deg]
pl_orblper	87 deg
pl_orblpererr1	61 deg
pl_orblpererr2	-61 deg
pl_orblperlim	0
pl_orblperstr	87.0±61.0	Argument of Periastron [deg]
pl_orbper	7.81 day
pl_orbpererr1	1.90e-3 day
pl_orbpererr2	-1.60e-3 day
pl_orbperlim	0
pl_orbperstr	<div><span class="supersubNumber">7.8140</span><span class="superscript">+0.0019</span><span class="subscript">-0.0016</span></div>	Orbital Period [day]
pl_orbsmax	0.07 au
pl_orbsmaxerr1	1.10e-3 au
pl_orbsmaxerr2	-1.10e-3 au
pl_orbsmaxlim	0
pl_orbsmaxstr	0.0679±0.0011	Orbit Semi-Major Axis [au]
pl_orbtper	2.46e6 day
pl_orbtpererr1	1.20 day
pl_orbtpererr2	-1.20 day
pl_orbtperlim	0
pl_orbtperstr	2457907.6±1.2	Epoch of Periastron [day]
pl_projobliq	—
pl_projobliqerr1	—
pl_projobliqerr2	—
pl_projobliqlim	—
pl_projobliqstr	—	Projected Obliquity [deg]
pl_pubdate	2018-11	Planetary Parameter Reference Publication Date
pl_rade	0.70 Rearth
pl_radeerr1	0.10 Rearth
pl_radeerr2	-0.09 Rearth
pl_radelim	0
pl_radestr	<div><span class="supersubNumber">0.705</span><span class="superscript">+0.096</span><span class="subscript">-0.085</span></div>	Planet Radius [Earth Radius]
pl_radj	0.06 Rjupiter
pl_radjerr1	8.56e-3 Rjupiter
pl_radjerr2	-7.58e-3 Rjupiter
pl_radjlim	0
pl_radjstr	<div><span class="supersubNumber">0.0629</span><span class="superscript">+0.0086</span><span class="subscript">-0.0076</span></div>	Planet Radius [Jupiter Radius]
pl_ratdor	20.80
pl_ratdorerr1	0.71
pl_ratdorerr2	-0.78
pl_ratdorlim	0
pl_ratdorstr	<div><span class="supersubNumber">20.80</span><span class="superscript">+0.71</span><span class="subscript">-0.78</span></div>	Ratio of Semi-Major Axis to Stellar Radius
pl_ratror	9.20e-3
pl_ratrorerr1	1.20e-3
pl_ratrorerr2	-1.10e-3
pl_ratrorlim	0
pl_ratrorstr	<div><span class="supersubNumber">0.00920</span><span class="superscript">+0.00120</span><span class="subscript">-0.00110</span></div>	Ratio of Planet to Stellar Radius
pl_refname	<a refstr=RODRIGUEZ_ET_AL__2018 href=https://ui.adsabs.harvard.edu/abs/2018AJ....156..245R/abstract target=ref>Rodriguez et al. 2018</a>	Planetary Parameter Reference
pl_rvamp	—
pl_rvamperr1	—
pl_rvamperr2	—
pl_rvamplim	—
pl_rvampstr	—	Radial Velocity Amplitude [m/s]
pl_trandep	8.50e-3 %
pl_trandeperr1	2.30e-3 %
pl_trandeperr2	-1.90e-3 %
pl_trandeplim	0
pl_trandepstr	<div><span class="supersubNumber">0.00850</span><span class="superscript">+0.00230</span><span class="subscript">-0.00190</span></div>	Transit Depth [%]
pl_trandur	2.26 hour
pl_trandurerr1	0.38 hour
pl_trandurerr2	-0.34 hour
pl_trandurlim	0
pl_trandurstr	<div><span class="supersubNumber">2.26</span><span class="superscript">+0.38</span><span class="subscript">-0.34</span></div>	Transit Duration [hour]
pl_tranmid	2.46e6 day
pl_tranmiderr1	6.40e-3 day
pl_tranmiderr2	-6.40e-3 day
pl_tranmidlim	0
pl_tranmidstr	2457946.6510±0.0064	Time of Conjunction (Transit Midpoint) [day]
pl_trueobliq	—
pl_trueobliqerr1	—
pl_trueobliqerr2	—
pl_trueobliqlim	—
pl_trueobliqstr	—	True Obliquity [deg]
pl_tsystemref	BJD-TDB	Time Reference Frame and Standard
ptv_flag	0
pul_flag	0
ra	157.94 deg
rastr	10h31m44.56s	RA [sexagesimal]
releasedate	2022-10-31	Release Date
rowupdate	2022-10-31	Date of Last Update
rv_flag	0
soltype	Published Confirmed	Solution Type
st_age	—
st_ageerr1	—
st_ageerr2	—
st_agelim	—
st_agestr	—	Stellar Age [Gyr]
st_dens	2.79 g/cm**3
st_denserr1	0.29 g/cm**3
st_denserr2	-0.30 g/cm**3
st_denslim	0
st_densstr	<div><span class="supersubNumber">2.79</span><span class="superscript">+0.29</span><span class="subscript">-0.30</span></div>	Stellar Density [g/cm**3]
st_logg	4.58 log(cm/s**2)
st_loggerr1	0.03 log(cm/s**2)
st_loggerr2	-0.04 log(cm/s**2)
st_logglim	0
st_loggstr	<div><span class="supersubNumber">4.581</span><span class="superscript">+0.032</span><span class="subscript">-0.037</span></div>	Stellar Surface Gravity [log(cm/s**2)]
st_lum	-0.82 log(Lsun)
st_lumerr1	0.02 log(Lsun)
st_lumerr2	-0.02 log(Lsun)
st_lumlim	0
st_lumstr	<div><span class="supersubNumber">-0.8233</span><span class="superscript">+0.0162</span><span class="subscript">-0.0168</span></div>	Stellar Luminosity [log(Solar)]
st_mass	0.69 Msun
st_masserr1	0.03 Msun
st_masserr2	-0.03 Msun
st_masslim	0
st_massstr	0.686±0.033	Stellar Mass [Solar mass]
st_met	-0.12 dex
st_meterr1	0.40 dex
st_meterr2	-0.42 dex
st_metlim	0
st_metratio	[Fe/H]	Stellar Metallicity Ratio
st_metstr	<div><span class="supersubNumber">-0.12</span><span class="superscript">+0.40</span><span class="subscript">-0.42</span></div>	Stellar Metallicity [dex]
st_nphot	0
st_nrvc	0
st_nspec	0
st_rad	0.70 Rsun
st_raderr1	0.02 Rsun
st_raderr2	-0.02 Rsun
st_radlim	0
st_radstr	<div><span class="supersubNumber">0.703</span><span class="superscript">+0.024</span><span class="subscript">-0.022</span></div>	Stellar Radius [Solar Radius]
st_radv	10.85 km/s
st_radverr1	0.07 km/s
st_radverr2	-0.07 km/s
st_radvlim	0
st_radvstr	10.848±0.066	Systemic Radial Velocity [km/s]
st_refname	<a refstr=RODRIGUEZ_ET_AL__2018 href=https://ui.adsabs.harvard.edu/abs/2018AJ....156..245R/abstract target=ref>Rodriguez et al. 2018</a>	Stellar Parameter Reference
st_rotp	—
st_rotperr1	—
st_rotperr2	—
st_rotplim	—
st_rotpstr	—	Stellar Rotational Period [day]
st_spectype	—	Spectral Type
st_teff	4285 K
st_tefferr1	49 K
st_tefferr2	-57 K
st_tefflim	0
st_teffstr	<div><span class="supersubNumber">4285</span><span class="superscript">+49</span><span class="subscript">-57</span></div>	Stellar Effective Temperature [K]
st_vsin	—
st_vsinerr1	—
st_vsinerr2	—
st_vsinlim	—
st_vsinstr	—	Stellar Rotational Velocity [km/s]
sy_bmag	13.00 mag
sy_bmagerr1	6.00e-3 mag
sy_bmagerr2	-6.00e-3 mag
sy_bmagstr	12.997±0.006	B (Johnson) Magnitude
sy_dist	77.56 pc
sy_disterr1	0.36 pc
sy_disterr2	-0.35 pc
sy_diststr	<div><span class="supersubNumber">77.5586</span><span class="superscript">+0.3581</span><span class="subscript">-0.3549</span></div>	Distance [pc]
sy_gaiamag	11.35 mag
sy_gaiamagerr1	8.59e-4 mag
sy_gaiamagerr2	-8.59e-4 mag
sy_gaiamagstr	11.352700±0.000859	Gaia Magnitude
sy_gmag	12.61 mag
sy_gmagerr1	1.08e-3 mag
sy_gmagerr2	-1.08e-3 mag
sy_gmagstr	12.6065000±0.0010827	g (Sloan) Magnitude
sy_hmag	9.04 mag
sy_hmagerr1	0.02 mag
sy_hmagerr2	-0.02 mag
sy_hmagstr	9.041±0.023	H (2MASS) Magnitude
sy_icmag	—
sy_icmagerr1	—
sy_icmagerr2	—
sy_icmagstr	—	I (Cousins) Magnitude
sy_imag	10.69 mag
sy_imagerr1	4.18e-4 mag
sy_imagerr2	-4.18e-4 mag
sy_imagstr	10.6934000±0.0004179	i (Sloan) Magnitude
sy_jmag	9.61 mag
sy_jmagerr1	0.03 mag
sy_jmagerr2	-0.03 mag
sy_jmagstr	9.611±0.027	J (2MASS) Magnitude
sy_kepmag	11.39 mag
sy_kepmagerr1	—
sy_kepmagerr2	—
sy_kepmagstr	11.386	Kepler Magnitude
sy_kmag	8.90 mag
sy_kmagerr1	0.02 mag
sy_kmagerr2	-0.02 mag
sy_kmagstr	8.897±0.023	Ks (2MASS) Magnitude
sy_mnum	0
sy_plx	12.87 mas
sy_plxerr1	0.06 mas
sy_plxerr2	-0.06 mas
sy_plxstr	12.8650000±0.0588243	Parallax [mas]
sy_pm	89.28 mas/yr
sy_pmdec	-68.83 mas/yr
sy_pmdecerr1	0.24 mas/yr
sy_pmdecerr2	-0.24 mas/yr
sy_pmdecstr	-68.828400±0.241743	Proper Motion (Dec) [mas/yr]
sy_pmerr1	0.21 mas/yr
sy_pmerr2	-0.21 mas/yr
sy_pmra	56.87 mas/yr
sy_pmraerr1	0.15 mas/yr
sy_pmraerr2	-0.15 mas/yr
sy_pmrastr	56.871500±0.150681	Proper Motion (RA) [mas/yr]
sy_pmstr	89.2844676±0.2096209	Total Proper Motion [mas/yr]
sy_pnum	4
sy_refname	<a refstr=STASSUN_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....158..138S/abstract target=ref>TICv8</a>	System Parameter Reference
sy_rmag	11.25 mag
sy_rmagerr1	6.72e-4 mag
sy_rmagerr2	-6.72e-4 mag
sy_rmagstr	11.253500±0.000672	r (Sloan) Magnitude
sy_snum	2
sy_tmag	10.63 mag
sy_tmagerr1	6.10e-3 mag
sy_tmagerr2	-6.10e-3 mag
sy_tmagstr	10.6269±0.0061	TESS Magnitude
sy_umag	15.48 mag
sy_umagerr1	6.11e-3 mag
sy_umagerr2	-6.11e-3 mag
sy_umagstr	15.4843000±0.0061104	u (Sloan) Magnitude
sy_vmag	11.62 mag
sy_vmagerr1	0.05 mag
sy_vmagerr2	-0.05 mag
sy_vmagstr	11.625±0.046	V (Johnson) Magnitude
sy_w1mag	8.81 mag
sy_w1magerr1	0.02 mag
sy_w1magerr2	-0.02 mag
sy_w1magstr	8.815±0.023	W1 (WISE) Magnitude
sy_w2mag	8.90 mag
sy_w2magerr1	0.02 mag
sy_w2magerr2	-0.02 mag
sy_w2magstr	8.903±0.020	W2 (WISE) Magnitude
sy_w3mag	8.79 mag
sy_w3magerr1	0.03 mag
sy_w3magerr2	-0.03 mag
sy_w3magstr	8.794±0.030	W3 (WISE) Magnitude
sy_w4mag	8.29 mag
sy_w4magerr1	—
sy_w4magerr2	—
sy_w4magstr	8.292	W4 (WISE) Magnitude
sy_zmag	12.94 mag
sy_zmagerr1	0.01 mag
sy_zmagerr2	-0.01 mag
sy_zmagstr	12.9424000±0.0102415	z (Sloan) Magnitude
tic_id	TIC 374180079	TIC ID
tran_flag	1
ttv_flag	0
x	-0.93
y	0.38
z	0.02