Planet K2-231 b

Detailed information about planet K2-231 b and its parameters.

Planet parameters Publications Observability Predictor Exo3D

Planet

Name
K2-231 b
Planet Status
Confirmed
Discovered in
2018
Publication
Status
—
Update
2026-08-17
Mass
0.0227 ( +0.016 -0.0098 ) MJ
Mass*sin(i)
—
Semi-Major Axis
—
Orbital Period
13.841901 ( +0.001352 -0.001352 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
0.223 ( +0.018 -0.018 ) RJ
Inclination
88.6 ( +0.9 -0.6 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Theoretical
Radius Meas. Method
Primary Transit
Primary transit
2457320.00164 ( +0.00354 -0.0034 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.55 ( +0.23 -0.37 )
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
WISE J191622.03-154616.4 b, EPIC 219800881 bb, EPIC 219800881.01a, 2MASS J19162203-1546159 bb
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

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Star

Name
K2-231
Distance
295.0 ( ± 5.0 ) pc
Spectral type
G3V
Apparent magnitude V
12.7
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.01 ( ± 0.03 ) MSun
Age
3.0 ( ± 0.25 ) Gyr
Effective temperature
5695.0 ( ± 50.0 ) K
Radius
0.95 ( ± 0.03 ) RSun
Metallicity [Fe/H]
0.14 ( ± 0.04 )
Detected Disc
—
Magnetic Field
—
RA2000
19:16:22.0
Dec2000
-15:46:16.0
Alternate Names
WISE J191622.03-154616.4, EPIC 219800881, 2MASS J19162203-1546159

Member of Ruprecht 147 cluster.

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